PORSCHE RACING HISTORY911
1966 1967 1968 1969 1970 1971 1973 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
1975
29 November 1975 - Rheintal Hockenheim [GT] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 | GT+2.0 | Götz Ruppmann (D) | Sports Car Club of Stuttgart (D) | 17th | 17th |