Porsche 935
 The Porsche 935 was introduced in 1976 as the factory racing version of the Porsche 911 turbo prepared for FIA-Group 5 rules. It was an evolution of the Porsche Carrera RSR 2.1 turbo prototype the second place overall finisher in the 1974 24 Hours of Le Mans.Beginning with the 1977 season Porsche offered the 935 to customers entering the World Championship for Makes in the IMSA GT championship and in the German Deutsche Rennsport Meisterschaft (DRM).