AUTONATION, INC.

INTERNETA VAILABILITY OFPROXYM ATERIALS

In accordance with the rules of the Securities and Exchange Commission (“SEC”), we are furnishing our proxy materials, including this proxy statement and our annual report, to our stockholders primarily via the Internet. On March 17, 2026, we began mailing to most of our stockholders a Notice of Internet Availability of Proxy Materials (the “Notice”) that contains instructions on how to access our proxy materials on the Internet. The Notice also contains instructions on how to vote via the Internet or by telephone. Other stockholders, in accordance with their prior requests, received an email with instructions on how to access our proxy materials and vote via the Internet, or have been mailed paper copies of our proxy materials and a proxy card or voting form. Stockholders may request to receive all future proxy materials in printed form by mail or electronically by email by following the instructions contained in the Notice.

Important Notice Regarding the Availability of Proxy Materials

for the Stockholder Meeting to be Held on April 28, 2026

Our 2025 Annual Report and this Proxy Statement are available at http://www.proxyvote.com.

i