<SEC-DOCUMENT>0001127602-25-008677.txt : 20250307
<SEC-HEADER>0001127602-25-008677.hdr.sgml : 20250307
<ACCEPTANCE-DATETIME>20250307160203
ACCESSION NUMBER:		0001127602-25-008677
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250306
FILED AS OF DATE:		20250307
DATE AS OF CHANGE:		20250307

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Palazzo Elisa
		CENTRAL INDEX KEY:			0002001967
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38233
		FILM NUMBER:		25719905

	MAIL ADDRESS:	
		STREET 1:		C/O CARGURUS, INC.
		STREET 2:		1001 BOYLSTON STREET, 16TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02115

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CarGurus, Inc.
		CENTRAL INDEX KEY:			0001494259
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				043843478
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 BOYLSTON STREET
		STREET 2:		16TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02115
		BUSINESS PHONE:		617 354 0068

	MAIL ADDRESS:	
		STREET 1:		1001 BOYLSTON STREET
		STREET 2:		16TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02115

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cargurus LLC
		DATE OF NAME CHANGE:	20100615
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-06</periodOfReport>

    <issuer>
        <issuerCik>0001494259</issuerCik>
        <issuerName>CarGurus, Inc.</issuerName>
        <issuerTradingSymbol>CARG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002001967</rptOwnerCik>
            <rptOwnerName>Palazzo Elisa</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1001 BOYLSTON STREET</rptOwnerStreet1>
            <rptOwnerStreet2>16TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02115</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>CFO and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3973</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>31.93</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>78851</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.</footnote>
        <footnote id="F2">The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.91 to $32.00 per share, inclusive. Information regarding the number of shares sold at each separate price will be made available from the Reporting Person upon request by the staff of the U.S. Securities and Exchange Commission, the Issuer or any security holder of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Suzanne Murray, as attorney-in-fact</signatureName>
        <signatureDate>2025-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
