The Porsche 935 is a racing car produced in between 1976 and 1981. It was introduced as the factory racing version of the 911 Turbo for FIA-Group 5. The 935 was offered to customers from 1977 as a 2-door coupe with rear-wheel drive and rear-mounted engine.

In 1979, the car won the 24 Hours of Le Mans and other major endurance races such as Sebring, Daytona and the 1000 km Nürburgring. Out of 370 races entered, 123 were won. The Porsche 935 was powered by a 3.3-litre flat-six cylinder engine with twin turbocharging. It had 845 horsepower (630 kW) and was mated to a 4-speed manual transmission. Its dominance ended with changes to the FIA rules in 1982.