Exhibit 24
CONFIRMING STATEMENT


This statement confirms that the undersigned, Steven C.
Mizell, has authorized and designated Beth Sibley
to execute and file on the undersigned?s behalf all
Forms 3, 4 and 5 (including any amendments thereto)
that the undersigned may be required to file with
the U.S. Securities and Exchange Commission as a
result of the undersigned?s ownership of or transactions in
securities of Group 1 Automotive, Inc.  The authority of
Beth Sibley under this Statement shall continue until the
undersigned is no longer required to file Forms 3, 4
and 5 with regard to his ownership of or transactions
in securities of Group 1 Automotive, Inc., unless earlier
revoked in writing.  The undersigned acknowledges that
Beth Sibley is not assuming any of the undersigned?s
responsibilities to comply with Section 16
of the Securities Exchange Act of 1934.

Date:	February 24, 2021.

/s/___________________________________
   Steven C. Mizell