| Season | Series / Class | Standing | Team / Car / Races | ||
|---|---|---|---|---|---|
| 2006 | F.1 | 3. |
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| 2005 | F.2 | 22. |
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| 2002 | TC | 25. |
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| 1997 | F.1 | 31. |
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| German Supertouringcars, 29. (AlfaRomeo) | |||||
| 1996 | Int. Touringcar Championship, 15. (AlfaRomeo) | ||||
| 1995 | F.1 | 25. |
|||
| Int. Touringcar Championship, 13. (AlfaRomeo) | |||||
| DTM, 9. (AlfaRomeo) | |||||
| IndyCar World Series, 25. (ProjectIndy, 2 races) | |||||
| 1994 | DTM, 9. (AlfaRomeo) | ||||
| IndyCar World Series, 30. (ProjectIndy, some races) | |||||
| 1993 | DTM, 5. (AlfaRomeo) | ||||
| IndyCar World Series, 31. (Euromotorsports, some races) | |||||
| 1992 | DTM (BMW) | ||||
| IndyCar World Series (Euromotorsports, some races) | |||||
| 24h Spa Winner | |||||
| 24h Nürburgring Winner | |||||
| 1991 | DTM (BMW) | ||||
| 1990 | DTM (BMW) | ||||
| Japanese Formula 3000 (Leyton House) | |||||
| Formula 1 (Test Driver for Reynard/Mugen F1 project) | |||||
| 1989 | Formula 1, 21. (Rial-Ford) | ||||
| 1988 | DTM (Alpina) | ||||
| Formula 1 (Zakspeed Test Driver) | |||||
| 1987 | Formula 1 (85-87) | ||||
| Formula 2 (81-84) | |||||
| Touringcars (81-87) | |||||
| BMW M1 Procar (80) | |||||
| German Renault 5 Turbo Cup (77-79) | |||||
| 1985 | F.2 | 1. |
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|
|
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Legend :
Intermediate standings during the current season.
Wins and Top-Positions in season standings are marked.
When racing in several series in a season the chronologically later participation is always on top.
Intermediate standings during the current season.
Wins and Top-Positions in season standings are marked.
When racing in several series in a season the chronologically later participation is always on top.


