Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1971 | ||||
| 1971/05/30 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 6 | Porsche 917 K |
| 1972 | ||||
| 1972/08/06 | Freiburg-Schauinsland (DEU) | DRM Hillclimb Schauinsland | 2 | Porsche 908/3 |
| 1973 | ||||
| 1973/11/03 | Kyalami (ZA) | Springbok Series 9 Hours Kyalami | 1 | Porsche 908/3 |
| 1976 | ||||
| 1976/04/04 | Nürburgring, RP (DEU) | World Championship for Sports Cars | 1 | Porsche 908/3 Turbo |
| 1977 | ||||
| 1977/05/29 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 7 | Porsche 934 |
| 1978 | ||||
| 1978/05/28 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 5 | Porsche 935 |
| 1979 | ||||
| 1979/04/22 | Dijon (FRA) | World Championship for Makes | 1 | Porsche 908/3 Turbo |
| 1979/08/05 | Brands Hatch (GBR) | World Championship for Makes | 1 | Porsche 908/3 Turbo |
| 1980 | ||||
| 1980/02/02 - 1980/02/03 | Daytona, FL (USA) | World Championship for Makes 24 Hours Daytona | 1 | Porsche 935 Turbo |