1973 Porsche 911 RSR Coupe

The RSR for 1973 was an all-out racing weapon designed off the Carrera RS 2.7. The engine capacity was increased to 2.8 liters and most mechanical components were changed or modified for racing. The majority of the RSRs were sold to customers, but Porsche retained two for factory racing and development, eventually running prototype 3.0-liter engines.

This car was raced by the Porsche factory with Martini sponsorship during most of the 1973 World Championship season. Roger Penske acquired the car for Watkins Glen, and it raced the last race of the 1973 season with Sunoco sponsorship. Peter Kitchak acquired the car in 1991, and restoration was completed in 1993. During the 1973 racing season, the car competed in the following races: 6 hours of Vallelunga, Italy - first GT/seventh overall; 4 hours of LeMans - first overall; 1,000KM of Dijon, France - first GT, ninth overall; 1,000 KM of Monza - retired; 1,000 KM of Spa-Francochamps - first GT, tenth overall; Targa Florio - first overall; 24 Hours of LeMans - retired; 1,000 KM of Osterreichring - eight overall; Watkins Glen - sixth overall.

Of seven 'R' cars, boasting 300 horsepower from only a 2.8-liter flat six, R6 was the most raced by the factory. Competing in ten events in 1973, it finished in the top 10 seven times, including 1st place in the Targa Florio. It is the only RSR remaining with the original rear spoiler.

This well balanced Martini liveried factory car helped Porsche achieve its 14th and last Targa Florio win in front of a reported 700,000 spectators.