United States securities and exchange commission logo

                     February 23, 2023

       Jason Trevisan
       Chief Executive Officer
       CarGurus, Inc.
       2 Canal Park
       4th Floor
       Cambridge, MA 02141

                                                        Re: CarGurus, Inc.
                                                            Form 10-K for the
Fiscal Year Ended December 31, 2021
                                                            Filed February 25,
                                                            File No. 001-38233

       Dear Jason Trevisan:

              We have completed our review of your filing. We remind you that
the company and its
       management are responsible for the accuracy and adequacy of their
disclosures, notwithstanding
       any review, comments, action or absence of action by the staff.


                     Division of Corporation Finance

                     Office of Technology
       cc:                                              Javier Zamora