June 23, 2006





Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC  20549


Ladies and Gentlemen:

This Statement confirms that the undersigned, Carlos A. Migoya, has authorized
and designated Michael E. Maroone and Jonathan P. Ferrando, acting singly, to
execute and file on the undersigned's behalf all Forms 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 AutoNation, Inc. The authority of Michael
E. Maroone and Jonathan P. Ferrando under this Statement shall continue until
the undersigned is no longer required to file Forms 4 and 5 with regard to the
undersigned's ownership of or transactions in securities of AutoNation, Inc.,
unless earlier revoked in writing. The undersigned acknowledges that Michael E.
Maroone and Jonathan P. Ferrando are not assuming any of the undersigned's
responsibilities to comply with Section 16 of the Securities Exchange Act of
1934.



                                    Very truly yours,



                                    /s/ Carlos A. Migoya
                                    -----------------------------------
                                    Carlos A. Migoya
                                    Director of AutoNation, Inc.




cc:      New York Stock Exchange