Exhibit 24.1 POWER OF ATTORNEY I hereby appoint Keith D. Browning my true and lawful attorney-in-fact to sign on my behalf, as an individual and in the capacity stated below, the Annual Report on Form 10-K of CarMax, Inc. for its fiscal year ended February 28, 2003, and any amendment which such attorney-in-fact may deem appropriate or necessary. Signature: /s/ Austin Ligon --------------------------------- Print Name: Austin Ligon Title: President, Chief Executive Officer and Director Exhibit 24.1 POWER OF ATTORNEY I hereby appoint Austin Ligon my true and lawful attorney-in-fact to sign on my behalf, as an individual and in the capacity stated below, the Annual Report on Form 10-K of CarMax, Inc. for its fiscal year ended February 28, 2003, and any amendment which such attorney-in-fact may deem appropriate or necessary. Signature: /s/ Keith D. Browning -------------------------------- Print Name: Keith D. Browning Title: Executive Vice President, Chief Financial Officer and Director Exhibit 24.1 POWER OF ATTORNEY I hereby appoint Austin Ligon or Keith D. Browning my true and lawful attorney-in-fact to sign on my behalf, as an individual and in the capacity stated below, the Annual Report on Form 10-K of CarMax, Inc. for its fiscal year ended February 28, 2003, and any amendment which such attorney-in-fact may deem appropriate or necessary. Signature: /s/ Jeffrey E. Garten --------------------------------- Print Name: Jeffrey E. Garten Title: Director Signature: /s/ W. Robert Grafton --------------------------------- Print Name: W. Robert Grafton Title: Director Signature: /s/ William S. Kellogg --------------------------------- Print Name: William S. Kellogg Title: Director Signature: /s/ Hugh G. Robinson --------------------------------- Print Name: Hugh G. Robinson Title: Director Signature: /s/ Richard L. Sharp --------------------------------- Print Name: Richard L. Sharp Title: Director Signature: /s/ Beth A. Stewart --------------------------------- Print Name: Beth A. Stewart Title: Director Signature: /s/ William R. Tiefel --------------------------------- Print Name: William R. Tiefel Title: Director