1995 | Deutsche Tourenwagen Masters | Zakspeed Racing | 23 | 21 | 0 | 0 | 0 |
1994 | Deutsche Tourenwagen Masters | Team Joest | 16 | 20 | 0 | 0 | 0 |
1993 | 24 Hours of Le Mans | Joest Porsche Racing | 1 | 0 | 0 | 0 | |
1992 | Deutsche Tourenwagen Masters | Diebels Zakspeed Team | 7 | 0 | 0 | 0 | |
1991 | FIA Sportscar World Championship | Team Salamin Primagaz | 1 | 0 | 0 | 1 | |
1991 | 24 Hours of Le Mans | Joest Porsche Racing | 1 | 0 | 0 | 0 | |
1991 | FIA Sportscar World Championship | Joest Porsche Racing | 1 | 0 | 0 | 0 | |
1991 | 24 Hours of Daytona | Joest Racing | 1 | 1 | 1 | 1 | |
1990 | FIA Sportscar World Championship | Joest Porsche Racing | 5 | 0 | 0 | 0 | |
1990 | 24 Hours of Le Mans | Joest Porsche Racing | 1 | 0 | 0 | 0 | |
1989 | 24 Hours of Le Mans | Joest Racing | 1 | 0 | 0 | 1 | |
1988 | 24 Hours of Le Mans | Blaupunkt-Joest Racing | 1 | 0 | 0 | 1 | |
1986 | 24 Hours of Le Mans | Joest Racing | 1 | 0 | 0 | 0 | |
1985 | 24 Hours of Le Mans | Joest Racing | 1 | 1 | 0 | 1 | |
1984 | 24 Hours of Le Mans | Schornstein Racing Team | 1 | 0 | 0 | 0 | |
1979 | 24 Hours of Le Mans | Porsche Kremer Racing | 1 | 0 | 0 | 0 | |
1978 | 24 Hours of Le Mans | Porsche Kremer Racing | 1 | 0 | 0 | 0 |