    <SEC-DOCUMENT>0000950170-25-057434-index.html : 20250423
    <SEC-HEADER>0000950170-25-057434.hdr.sgml : 20250423
    <ACCEPTANCE-DATETIME>20250423162510
    ACCESSION NUMBER:		0000950170-25-057434
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250423
    DATE AS OF CHANGE:		20250423
    EFFECTIVENESS DATE:		20250423

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38233
    		FILM NUMBER:		25861846

    	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>ARS
    <SEQUENCE>1
    <FILENAME>2024_annual_report.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: 2024_annual_report.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>