Car and Driver 10Best tested: Ferrari Testarossa, 173 mph Top-selling cars: Imports and domestics chosen by marque, not by place of manufacture. Price cap: $35,000 Fastest car tested: 750iL "V12", 158 mph Top-selling cars: Eliminated half domestic/half import rule as impractical. Price cap: $35,000 Fastest car tested: Chevrolet Corvette "ZR-1", 175 mph Top-selling cars: New rule: No more than two places per marque. Price cap: $35,000 Fastest car tested: Chevrolet Corvette "ZR-1", 176 mph Top-selling cars: Price cap: $40,000 Fastest car tested: Ferrari F40, 197 mph Top-selling cars: Price cap: $40,000 Fastest car tested: Lamborghini Diablo, 204 mph Top-selling cars: Institution of the 2.5x
Production car speed record any such claims. Examples of the difficulties faced were shown up in the dispute between Bugatti and Hennessey over which car was the world's fastest. On 4 July 2010 the Bugatti Veyron Super Sport reached two-way average. Bugatti built 30 Super Sports (5 of them named World Record Edition). At the time the record was set it was known that the customer cars were electronically limited to . Guinness Book of Records (which had listed speeds by British cars with modified rev limiter as production car records in the 1990s) listed the unlimited as production car speed record. Yet, 3