1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement Nos. 333-10171 and 333-72439 of Penske Motorsports, Inc. on Form S-8 of our report dated February 1, 1999, appearing in this Annual Report on Form 10-K of Penske Motorsports, Inc. for the year ended December 31, 1998. /s/ DELOITTE & TOUCHE LLP Detroit, Michigan March 29, 1999