| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 28 1978 | Nürburgring | FIA World Sports Car Championship | 34 | 57 | Müllerbräu-Valvoline-Racing | 57 | Porsche Carrera RSR | 10 | did not finish | ||
| Jun 3 1979 | Nürburgring | FIA World Sports Car Championship | 29 | Valvoline Deutschland | 49 | Porsche Carrera RS | did not finish | ||||
| Apr 13 1980 | Autodromo Internazionale del Mugello | FIA World Sports Car Championship | 25 | 22 | Valvoline Deutschland | 29 | Porsche 935 | 31 | engine | ||
| May 30 1982 | Nürburgring | FIA World Sports Car Championship | 29 | 9 | Müllerbräu Team | 38 | Porsche 930 93A 007 00171 | 36 | running | ||
| Sep 5 1982 | Circuit National de Spa-Francorchamps | FIA World Sports Car Championship | 37 | 20 | Müllerbrau Team | 95 | Porsche 930 93A 007 00171 | 108 | running | ||
| Sep 19 1982 | Autodromo Internazionale del Mugello | FIA World Sports Car Championship | 19 | 12 | Müllerbrau Team | 24 | Porsche 930 93A 007 00171 | 143 | running | ||
| Jun 19 1983 | Circuit de la Sarthe | FIA World Sports Car Championship | 48 | 13 | Georg Memminger | 92 | Porsche 930 93A 007 00171 | 300 | running | ||
| Jul 15 1984 | Nürburgring | FIA World Sports Car Championship | 32 | 17 | Rolf Göring | 109 | BMW M1 WBS59910004301041 | 175 | running | ||
| Jun 20 1993 | Circuit de la Sarthe | ACO | 46 | 21 | Muhlbauer Motorsport | 66 | Porsche 911 Carrera RS 499110 | 277 | running | ||
| Feb 6 1994 | Daytona International Speedway | IMSA GT | 48 | 31 | Gustl Spreng Racing | 69 | Porsche 993 Carrera RS | 394 | mechanical | ||
| Feb 5 1995 | Daytona International Speedway | IMSA GT | 62 | 25 | Gustl Spreng Racing | 69 | Porsche 993 Carrera Turbo | 553 | running |