1992 | 24 Hours of Le Mans | Mazdaspeed Co. Ltd. | 1 | 0 | 0 | 0 | |
1992 | FIA Sportscar World Championship | Mazdaspeed Co. Ltd. | 18 | 2 | 0 | 0 | 0 |
1991 | 24 Hours of Le Mans | Mazdaspeed Co. Ltd. | 1 | 1 | 0 | 1 | |
1991 | FIA Sportscar World Championship | Mazdaspeed Co. Ltd. | 12 | 1 | 1 | 0 | 1 |
1990 | 24 Hours of Le Mans | Mazdaspeed Co. Ltd. | 1 | 0 | 0 | 0 | |
1990 | FIA Sportscar World Championship | Swiss Team Salamin | 1 | 0 | 0 | 0 | |
1989 | Deutsche Tourenwagen Masters | Ringshausen ABR Motorsport | 32 | 14 | 0 | 0 | 0 |
1989 | 24 Hours of Le Mans | Mazdaspeed Co. Ltd. | 1 | 0 | 0 | 0 | |
1989 | FIA Formula One World Championship | Rial Racing | 0 | 0 | 0 | 0 | |
1988 | FIA International F3000 Championship | Onyx | 16 | 9 | 0 | 0 | 0 |
1987 | 24 Hours of Le Mans | Porsche Kremer Racing | 1 | 0 | 0 | 0 | |
1986 | Deutsche Tourenwagen Masters | AMG Mercedes | 2 | 7 | 2 | 1 | 5 |
1986 | FIA International F3000 Championship | Cowman Racing | 5 | 0 | 0 | 0 | |
1985 | FIA F3 World Cup | Werner Schröder | 3 | 0 | 0 | 0 | |
1985 | Deutsche Tourenwagen Masters | 1 | 0 | 0 | 0 | ||
1984 | FIA F3 World Cup | Volkswagen Motorsport | 3 | 0 | 0 | 0 |