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<TITLE>ORIGINAL FILING ON FORM S-8</TITLE>
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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>As filed with the Securities and Exchange Commission on July&nbsp;11, 2007</B>
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 6pt"><B>Registration No.&nbsp;333- </B><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 0pt"><B>REGISTRATION STATEMENT<BR>
<I>UNDER<BR>
THE SECURITIES ACT OF 1933</I></B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>DEALERTRACK HOLDINGS, INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="48%">&nbsp;</TD>
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    <TD width="48%">&nbsp;</TD>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>52-2336218</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><FONT style="white-space: nowrap">(State of other jurisdiction of incorporation or organization)</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer Identification No.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>1111 Marcus Avenue, Suite&nbsp;M04</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>11042</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>Lake Success, New York</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of principal executive offices)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
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</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Amended and Restated 2005 Incentive Award Plan</B><BR>
(Full title of plan)<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Eric D. Jacobs, Esq.<BR>
Senior Vice President, General Counsel and Secretary<BR>
DealerTrack Holdings, Inc.<BR>
1111 Marcus Avenue, Suite&nbsp;M04<BR>
Lake Success, New York 11042<BR>
(516)&nbsp;734-3600</B><BR>
(Name, address, including zip code, and telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copy to:<BR>
<B>Stuart M. Cable, Esq.<BR>
Kenneth J. Gordon, Esq.<BR>
Goodwin Procter LLP<BR>
Exchange Place<BR>
53 State Street<BR>
Boston, Massachusetts 02109<BR>
(617)&nbsp;570-1000<BR>
(617)&nbsp;573-1231 (fax)</B></DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>CALCULATION OF REGISTRATION FEE</B>

</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="1%">&nbsp;</TD>
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    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
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<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount of Shares</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Title of Securities </TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">to be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering Price Per</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Aggregate Offering</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount of</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">to be Registered </TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registered (1)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Share (2)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Price (2)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registration Fee</TD>
    <TD width="1%">&nbsp;</TD>
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    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD align="center" style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock $0.01 par value</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">1,300,000</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$37.57</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$48,841,000</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$1,499.42</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 3pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to Rule&nbsp;416 under the Securities Act of 1933, as amended
(the &#147;Securities Act&#148;), this Registration Statement shall also be
deemed to cover an indeterminate number of additional shares of
Common Stock of DealerTrack Holdings, Inc. (the &#147;Company&#148;)
issuable in the event the number of outstanding shares of the
Company is increased by split-up, reclassification, stock
dividend, recapitalization, and certain other capital adjustments
and the like.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the registration
fee. In accordance with Rules 457(c) and 457(h), the proposed
maximum offering price per share, the proposed maximum aggregate
offering price, and the registration fee shown has been computed
based<BR> upon the average of the high and low sales price of the
Company&#146;s Common Stock on July&nbsp;3, 2007, as reported on the Nasdaq
Global Market.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





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<A name="tocpage"></A>
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>TABLE OF CONTENTS</B></U>
</DIV>

<DIV align="center">
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">NOTE</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#101">PART I</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#102">Item&nbsp;1. Plan Information</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#103">Item&nbsp;2. Registrant Information and Employee Plan Annual Information</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#104">PART II</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#105">Item&nbsp;3. Incorporation of Documents by Reference</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#106">Item&nbsp;8. Exhibits</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#107">SIGNATURES</A></DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><A href="#108">Exhibit&nbsp;Index</A></DIV></TD>
</TR>
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<TR><TD colspan="9"><FONT size="2">&nbsp;<A HREF="y36987exv4w8.htm">EX-4.8: AMENDED AND RESTATED 2005 INCENTIVE AWARD PLAN</A></FONT></TD></TR>
<TR><TD colspan="9"><FONT size="2">&nbsp;<A HREF="y36987exv5w1.htm">EX-5.1: OPINION OF COUNSEL</A></FONT></TD></TR>
<TR><TD colspan="9"><FONT size="2">&nbsp;<A HREF="y36987exv23w2.htm">EX-23.2: CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</A></FONT></TD></TR>
</TABLE>
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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>NOTE</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">This Registration Statement on Form S-8 registers 1,300,000 additional shares of common stock, par
value $0.01 per share (the &#147;Common Stock&#148;), of DealerTrack Holdings, Inc. (the &#147;Company&#148;) reserved
for issuance under the Amended and Restated 2005 Incentive Award Plan (the &#147;2005 Plan&#148;), which
shares are in addition to 7,435,465 shares of Common Stock previously registered pursuant to
Registration Statement on Form S-8 (Registration No.&nbsp;333-130310) and filed with the Securities and
Exchange Commission. The current filing is being made to register the 1,300,000 shares which are
issuable under the 2005 Plan. Accordingly, the contents of the Company&#146;s Registration Statement on
Form S-8 (Registration No.&nbsp;333-130310) are hereby incorporated by reference pursuant to General
Instruction E to Form S-8. After giving effect to this Registration Statement, an aggregate of
8,735,465 shares of Common Stock have been registered for issuance pursuant to the 2005 Plan.
</DIV>

<DIV align="left">
<A name="101"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>

</DIV>
<DIV align="left">
<A name="102"></A>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;1. <U>Plan Information</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The documents containing the information specified in this Item&nbsp;1 will be sent or given to
participants as specified by Rule&nbsp;428(b)(1) under the Securities Act. In accordance with the rules
and regulations of the Commission and the instructions to Form S-8, such documents are not being
filed with the Commission either as part of this Registration Statement or as prospectuses or
prospectus supplements pursuant to Rule&nbsp;424 under the Securities Act.
</DIV>

<DIV align="left">
<A name="103"></A>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;2. <U>Registrant Information and Employee Plan Annual Information</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The documents containing the information specified in this Item&nbsp;2 will be sent or given to
participants as specified by Rule&nbsp;428(b)(1) under the Securities Act. In accordance with the rules
and regulations of the Commission and the instructions to Form S-8, such documents are not being
filed with the Commission either as part of this Registration Statement or as prospectuses or
prospectus supplements pursuant to Rule&nbsp;424 under the Securities Act.
</DIV>

<DIV align="left">
<A name="104"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>

</DIV>
<DIV align="left">
<A name="105"></A>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;3. <U>Incorporation of Documents by Reference</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The following documents filed with the Securities and Exchange Commission (the &#147;Commission&#148;)
pursuant to the Securities Exchange Act of 1934 (the &#147;Exchange Act&#148;) by DealerTrack Holdings, Inc.
(the &#147;Company&#148;) or pursuant to the Securities Act of 1933, as amended (the &#147;Securities Act&#148;) are
incorporated herein by reference:
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Annual Report on Form 10-K for the fiscal year ended December&nbsp;31, 2006 filed on March
16, 2007 and as amended by Amendment No.&nbsp;1 to Annual Report on Form 10-K/A for the
fiscal year ended December&nbsp;31, 2006 filed on April&nbsp;30, 2007;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Quarterly Report on Form 10-Q for the period ended March&nbsp;31, 2007 filed on May&nbsp;8, 2007;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>All other documents filed by the Company pursuant to 13(a) or 15(d) of the Exchange
Act since the end of the fiscal year covered by the document referred to in (a)&nbsp;above;
and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Item&nbsp;1 of Registration Statement of the Company on Form 8-A dated December&nbsp;6, 2005.</TD>
</TR>

</TABLE>
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">All documents filed by the Company pursuant to Sections&nbsp;13(a), 13(c), 14 or 15(d) of the Exchange
Act, after the date of this Registration Statement and prior to the filing of a post-effective
amendment which indicates that all securities offered herein have been sold or which deregisters
all securities then remaining
unsold, shall be deemed to be incorporated by reference herein and to be part hereof from the date
of filing
</DIV>
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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">such documents. Any statement contained herein or in a document incorporated by reference
or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for
purposes of this Registration Statement to the extent that such statement is modified or superseded
by any other subsequently filed document which is incorporated or is deemed to be incorporated by
reference herein. Any such statement so modified or superseded shall not be deemed, except as so
modified or superseded, to constitute a part of this Registration Statement.
</DIV>

<DIV align="left">
<A name="106"></A>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;8. <U>Exhibits</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Reference is made to the Exhibit&nbsp;Index.
</DIV>


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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left">
<A name="107"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act, the Registrant certifies that it has
reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has
duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Lake Success, State of New York, on July&nbsp;11, 2007.
</DIV>

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<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">DEALERTRACK HOLDINGS, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Mark F. O&#146;Neil
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Mark F. O&#146;Neil&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Chairman, President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each of the undersigned officers and directors of the Company hereby severally constitutes and
appoints each of Mark F. O&#146;Neil and Robert J. Cox III the undersigned&#146;s true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, for the undersigned
and in the undersigned&#146;s name, place and stead, in any and all capacities (unless revoked in
writing), to sign this Registration Statement on Form S-8, and any and all amendments thereto,
including any post-effective amendments as well as any related registration statement (or amended
thereto) filed in reliance upon Rule 462(b) under the Securities Act, as amended and to file the
same, with all exhibits thereto and other documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorney-in-fact and agent full power and authority to do
and perform each and every act and thing requisite or necessary to be done in connection therewith,
as fully as to all intents and purposes as the undersigned might and could do in person, hereby
ratifying and confirming all that said attorney-in-fact and agents or his substitute or
substitutes, may lawfully do or cause to be done by virtue thereof.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by
the following persons in the capacities indicated as of July&nbsp;11, 2007.
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="45%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mark F. O&#146;Neil
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman, President and Chief
Executive Officer</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Mark F. O&#146;Neil
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(as principal
executive officer of DealerTrack
Holdings, Inc.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Robert J. Cox III
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President, Chief
Financial Officer</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Robert J. Cox III
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">and Treasurer (as
principal financial officer and
principal accounting officer of
DealerTrack Holdings, Inc.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Thomas R. Gibson
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Thomas R. Gibson</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Thomas F. Gilman
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Thomas F. Gilman</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Mary Cirillo-Goldberg
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Mary Cirillo-Goldberg</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Ann B. Lane
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Ann B. Lane</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ John J. McDonnell, Jr.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">John J. McDonnell, Jr.</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James David Power III
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">James David Power III</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Howard L. Tischler
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="1" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Howard L. Tischler</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>



<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left">
<A name="108"></A>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><FONT style="font-variant: SMALL-CAPS"><B>Exhibit&nbsp;Index</B></FONT>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="93%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">3.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Form of Amended and Restated Certificate of Incorporation of the Company
(incorporated herein by reference to Exhibit&nbsp;3.2 to Amendment No.&nbsp;3 to the
Company&#146;s Registration Statement on Form&nbsp;S-1/A, filed on October&nbsp;25, 2005,
File No.&nbsp;333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">3.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Form of Amended and Restated By-laws of the Company (incorporated herein by
reference to Exhibit&nbsp;3.4 to Amendment No.&nbsp;3 to the Company&#146;s Registration
Statement on Form&nbsp;S-1/A, filed on October&nbsp;25, 2005, File No.&nbsp;333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">3.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen Certificate of Common Stock (incorporated herein by reference to
Exhibit&nbsp;4.4 to Amendment No.&nbsp;2 to the Company&#146;s Registration Statement on Form
S-1/A, filed on October&nbsp;12, 2005, File No.&nbsp;333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2001 Stock Option Plan of DealerTrack Holdings, Inc. effective as of August
10, 2007 (incorporated herein by reference to Exhibit&nbsp;10.20 to the Company&#146;s
Registration Statement on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.
333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">First Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit&nbsp;10.21 to the Company&#146;s
Registration Statement on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.
333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Second Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit&nbsp;10.22 to the Company&#146;s
Registration Statement on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.
333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Third Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit&nbsp;10.23 to the Company&#146;s
Registration Statement on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.
333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Fourth Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit&nbsp;10.38 to the Company&#146;s Annual
Report on Form&nbsp;10-K, filed on March&nbsp;30, 2006).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.6
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2005 Incentive Award Plan of DealerTrack Holdings, Inc. (incorporated herein
by reference to Exhibit&nbsp;10.24 to the Company&#146;s Registration Statement on Form
S-1, filed on July&nbsp;28, 2005, File No.&nbsp;333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.7
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">First Amendment to 2005 Incentive Award Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit&nbsp;10.24 to the Company&#146;s
Registration Statement on Form&nbsp;S-1, filed on August&nbsp;28, 2006, File No.
333-136929).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.8
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated 2005 Incentive Award Plan of DealerTrack Holdings, Inc.
</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.9
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">DealerTrack Holdings, Inc. Employee Stock Purchase Plan (incorporated herein
by reference to Exhibit&nbsp;10.27 to the Company&#146;s Registration Statement on Form
S-1, filed on July&nbsp;28, 2005, File No.&nbsp;333-126944).
</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.10
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">DealerTrack Holdings, Inc. Employees&#146; Deferred Compensation Plan (incorporated
herein by reference to Exhibit&nbsp;10.29 to the Company&#146;s Registration Statement
on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.&nbsp;333-126944). </TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.11
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
DealerTrack Holdings, Inc. Directors&#146; Deferred Compensation Plan (incorporated
herein by reference to Exhibit&nbsp;10.28 to the Company&#146;s Registration Statement on Form&nbsp;S-1, filed on July&nbsp;28, 2005, File No.&nbsp;333-126944).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Counsel regarding the legality of the Common Stock being registered.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#tocpage">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="93%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Counsel (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on signature page).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

</BODY>
</HTML>
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ORIGINAL FILING ON FORM S-8
Table of Contents
As filed with the Securities and Exchange Commission on July 11, 2007
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
DEALERTRACK HOLDINGS, INC.
(Exact name of registrant as specified in its charter)
Delaware
52-2336218
(State of other jurisdiction of incorporation or organization)
(I.R.S. Employer Identification No.)
1111 Marcus Avenue, Suite M04
11042
Lake Success, New York
(Zip Code)
(Address of principal executive offices)
Amended and Restated 2005 Incentive Award Plan
(Full title of plan)
Eric D. Jacobs, Esq.
Senior Vice President, General Counsel and Secretary
DealerTrack Holdings, Inc.
1111 Marcus Avenue, Suite M04
Lake Success, New York 11042
(516) 734-3600
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copy to:
Stuart M. Cable, Esq.
Kenneth J. Gordon, Esq.
Goodwin Procter LLP
Exchange Place
53 State Street
Boston, Massachusetts 02109
(617) 570-1000
(617) 573-1231 (fax)
CALCULATION OF REGISTRATION FEE
Amount of Shares
Proposed Maximum
Proposed Maximum
Title of Securities
to be
Offering Price Per
Aggregate Offering
Amount of
to be Registered
Registered (1)
Share (2)
Price (2)
Registration Fee
Common Stock $0.01 par value
1,300,000
$37.57
$48,841,000
$1,499.42
(1)
Pursuant to Rule 416 under the Securities Act of 1933, as amended
(the "Securities Act"), this Registration Statement shall also be
deemed to cover an indeterminate number of additional shares of
Common Stock of DealerTrack Holdings, Inc. (the "Company")
issuable in the event the number of outstanding shares of the
Company is increased by split-up, reclassification, stock
dividend, recapitalization, and certain other capital adjustments
and the like.
(2)
Estimated solely for the purpose of calculating the registration
fee. In accordance with Rules 457(c) and 457(h), the proposed
maximum offering price per share, the proposed maximum aggregate
offering price, and the registration fee shown has been computed
based
upon the average of the high and low sales price of the
Company's Common Stock on July 3, 2007, as reported on the Nasdaq
Global Market.
TABLE OF CONTENTS
NOTE
PART I
Item 1. Plan Information
Item 2. Registrant Information and Employee Plan Annual Information
PART II
Item 3. Incorporation of Documents by Reference
Item 8. Exhibits
SIGNATURES
Exhibit Index
EX-4.8: AMENDED AND RESTATED 2005 INCENTIVE AWARD PLAN
EX-5.1: OPINION OF COUNSEL
EX-23.2: CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
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NOTE
This Registration Statement on Form S-8 registers 1,300,000 additional shares of common stock, par
value $0.01 per share (the "Common Stock"), of DealerTrack Holdings, Inc. (the "Company") reserved
for issuance under the Amended and Restated 2005 Incentive Award Plan (the "2005 Plan"), which
shares are in addition to 7,435,465 shares of Common Stock previously registered pursuant to
Registration Statement on Form S-8 (Registration No. 333-130310) and filed with the Securities and
Exchange Commission. The current filing is being made to register the 1,300,000 shares which are
issuable under the 2005 Plan. Accordingly, the contents of the Company's Registration Statement on
Form S-8 (Registration No. 333-130310) are hereby incorporated by reference pursuant to General
Instruction E to Form S-8. After giving effect to this Registration Statement, an aggregate of
8,735,465 shares of Common Stock have been registered for issuance pursuant to the 2005 Plan.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
Item 1.
Plan Information
.
The documents containing the information specified in this Item 1 will be sent or given to
participants as specified by Rule 428(b)(1) under the Securities Act. In accordance with the rules
and regulations of the Commission and the instructions to Form S-8, such documents are not being
filed with the Commission either as part of this Registration Statement or as prospectuses or
prospectus supplements pursuant to Rule 424 under the Securities Act.
Item 2.
Registrant Information and Employee Plan Annual Information
.
The documents containing the information specified in this Item 2 will be sent or given to
participants as specified by Rule 428(b)(1) under the Securities Act. In accordance with the rules
and regulations of the Commission and the instructions to Form S-8, such documents are not being
filed with the Commission either as part of this Registration Statement or as prospectuses or
prospectus supplements pursuant to Rule 424 under the Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by Reference
.
The following documents filed with the Securities and Exchange Commission (the "Commission")
pursuant to the Securities Exchange Act of 1934 (the "Exchange Act") by DealerTrack Holdings, Inc.
(the "Company") or pursuant to the Securities Act of 1933, as amended (the "Securities Act") are
incorporated herein by reference:
(a)
Annual Report on Form 10-K for the fiscal year ended December 31, 2006 filed on March
16, 2007 and as amended by Amendment No. 1 to Annual Report on Form 10-K/A for the
fiscal year ended December 31, 2006 filed on April 30, 2007;
(b)
Quarterly Report on Form 10-Q for the period ended March 31, 2007 filed on May 8, 2007;
(c)
All other documents filed by the Company pursuant to 13(a) or 15(d) of the Exchange
Act since the end of the fiscal year covered by the document referred to in (a) above;
and
(d)
Item 1 of Registration Statement of the Company on Form 8-A dated December 6, 2005.
All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange
Act, after the date of this Registration Statement and prior to the filing of a post-effective
amendment which indicates that all securities offered herein have been sold or which deregisters
all securities then remaining
unsold, shall be deemed to be incorporated by reference herein and to be part hereof from the date
of filing
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such documents. Any statement contained herein or in a document incorporated by reference
or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for
purposes of this Registration Statement to the extent that such statement is modified or superseded
by any other subsequently filed document which is incorporated or is deemed to be incorporated by
reference herein. Any such statement so modified or superseded shall not be deemed, except as so
modified or superseded, to constitute a part of this Registration Statement.
Item 8.
Exhibits
.
Reference is made to the Exhibit Index.
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SIGNATURES
Pursuant to the requirements of the Securities Act, the Registrant certifies that it has
reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has
duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Lake Success, State of New York, on July 11, 2007.
DEALERTRACK HOLDINGS, INC.
By:
/s/ Mark F. O'Neil
Mark F. O'Neil
Chairman, President and Chief Executive Officer
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POWER OF ATTORNEY
Each of the undersigned officers and directors of the Company hereby severally constitutes and
appoints each of Mark F. O'Neil and Robert J. Cox III the undersigned's true and lawful
attorney-in-fact and agent, with full power of substitution and resubstitution, for the undersigned
and in the undersigned's name, place and stead, in any and all capacities (unless revoked in
writing), to sign this Registration Statement on Form S-8, and any and all amendments thereto,
including any post-effective amendments as well as any related registration statement (or amended
thereto) filed in reliance upon Rule 462(b) under the Securities Act, as amended and to file the
same, with all exhibits thereto and other documents in connection therewith, with the Securities
and Exchange Commission, granting to such attorney-in-fact and agent full power and authority to do
and perform each and every act and thing requisite or necessary to be done in connection therewith,
as fully as to all intents and purposes as the undersigned might and could do in person, hereby
ratifying and confirming all that said attorney-in-fact and agents or his substitute or
substitutes, may lawfully do or cause to be done by virtue thereof.
Pursuant to the requirements of the Securities Act, this Registration Statement has been signed by
the following persons in the capacities indicated as of July 11, 2007.
Signature
Title
/s/ Mark F. O'Neil
Chairman, President and Chief
Executive Officer
Mark F. O'Neil
(as principal
executive officer of DealerTrack
Holdings, Inc.)
/s/ Robert J. Cox III
Senior Vice President, Chief
Financial Officer
Robert J. Cox III
and Treasurer (as
principal financial officer and
principal accounting officer of
DealerTrack Holdings, Inc.)
/s/ Thomas R. Gibson
Director
Thomas R. Gibson
/s/ Thomas F. Gilman
Director
Thomas F. Gilman
/s/ Mary Cirillo-Goldberg
Director
Mary Cirillo-Goldberg
/s/ Ann B. Lane
Director
Ann B. Lane
/s/ John J. McDonnell, Jr.
Director
John J. McDonnell, Jr.
/s/ James David Power III
Director
James David Power III
/s/ Howard L. Tischler
Director
Howard L. Tischler
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Exhibit Index
3.1
Form of Amended and Restated Certificate of Incorporation of the Company
(incorporated herein by reference to Exhibit 3.2 to Amendment No. 3 to the
Company's Registration Statement on Form S-1/A, filed on October 25, 2005,
File No. 333-126944).
3.2
Form of Amended and Restated By-laws of the Company (incorporated herein by
reference to Exhibit 3.4 to Amendment No. 3 to the Company's Registration
Statement on Form S-1/A, filed on October 25, 2005, File No. 333-126944).
3.3
Specimen Certificate of Common Stock (incorporated herein by reference to
Exhibit 4.4 to Amendment No. 2 to the Company's Registration Statement on Form
S-1/A, filed on October 12, 2005, File No. 333-126944).
4.1
2001 Stock Option Plan of DealerTrack Holdings, Inc. effective as of August
10, 2007 (incorporated herein by reference to Exhibit 10.20 to the Company's
Registration Statement on Form S-1, filed on July 28, 2005, File No.
333-126944).
4.2
First Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit 10.21 to the Company's
Registration Statement on Form S-1, filed on July 28, 2005, File No.
333-126944).
4.3
Second Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit 10.22 to the Company's
Registration Statement on Form S-1, filed on July 28, 2005, File No.
333-126944).
4.4
Third Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit 10.23 to the Company's
Registration Statement on Form S-1, filed on July 28, 2005, File No.
333-126944).
4.5
Fourth Amendment to 2001 Stock Option Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit 10.38 to the Company's Annual
Report on Form 10-K, filed on March 30, 2006).
4.6
2005 Incentive Award Plan of DealerTrack Holdings, Inc. (incorporated herein
by reference to Exhibit 10.24 to the Company's Registration Statement on Form
S-1, filed on July 28, 2005, File No. 333-126944).
4.7
First Amendment to 2005 Incentive Award Plan of DealerTrack Holdings, Inc.
(incorporated herein by reference to Exhibit 10.24 to the Company's
Registration Statement on Form S-1, filed on August 28, 2006, File No.
333-136929).
4.8
Amended and Restated 2005 Incentive Award Plan of DealerTrack Holdings, Inc.
4.9
DealerTrack Holdings, Inc. Employee Stock Purchase Plan (incorporated herein
by reference to Exhibit 10.27 to the Company's Registration Statement on Form
S-1, filed on July 28, 2005, File No. 333-126944).
4.10
DealerTrack Holdings, Inc. Employees' Deferred Compensation Plan (incorporated
herein by reference to Exhibit 10.29 to the Company's Registration Statement
on Form S-1, filed on July 28, 2005, File No. 333-126944).
4.11
DealerTrack Holdings, Inc. Directors' Deferred Compensation Plan (incorporated
herein by reference to Exhibit 10.28 to the Company's Registration Statement on Form S-1, filed on July 28, 2005, File No. 333-126944).
5.1
Opinion of Counsel regarding the legality of the Common Stock being registered.
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23.1
Consent of Counsel (included in Exhibit 5.1).
23.2
Consent of Independent Registered Public Accounting Firm.
24.3
Power of Attorney (included on signature page).