The Porsche 911 Carrera RSR 2.8 is a racing car developed by Porsche in 1973. Based on the 911 Carrera RS Road car, it underwent a number of changes to increase its racing prowess. The inclusion of a bigger engine, a stronger braking system, and a lighter body were the biggest upgrades.
300 horsepower was generated by the 2.8-liter flat-six engine of the 911 Carrera RSR 2.8. A five-speed manual transmission was connected to this. The car had a power-to-weight ratio of 333 horsepower per ton and weighed just 900 kilograms (1,984 pounds).
In racing, the 911 Carrera RSR 2.8 had great success. It won the 1000 km of Spa, the 6 Hours of Watkins Glen, and the 24 Hours of Daytona in 1973. In addition, the car placed second overall in the 1973 24 Hours of Le Mans.
The vehicle was initially unveiled as an experimental vehicle in late 1972, and in February 1973 it won the 24 Hours of Daytona. The car, which had a three-liter engine and upgraded suspension, participated in the prototype class.
The car's weight was roughly 900 kg (1984 lbs), and it had a top speed of 170 mph. It could accelerate from 0 to 60 mph in about 4.5 seconds.