Exhibit 23.01 Consent of Independent Auditors Consent of Independent Auditors We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33- ) pertaining to the 1991 Sonic Corp. Stock Option Plan of our reports dated October 17, 1995, with respect to the consolidated financial statements of Sonic Corp. incorporated by reference in its Annual Report (Form 10-K) for the year ended August 31, 1995 and the related financial statement schedule included therein, filed with the Securities and Exchange Commission. /s/ ERNST & YOUNG LLP ERNST & YOUNG LLP Oklahoma City, Oklahoma July 3, 1996