2008
| | FIA GT GT2 | | Position: 3 (51 points) | 7 races. 1 win. 2 pole positions. 3 podiums. 0 fastest laps.
| | Team: ProSpeed Competition | | Car: Porsche 911 GT3 RSR |
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| | | Le Mans Series LMGT2 | | Position: 12 (10 points) | 4 races. 1 win. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Farnbacher Racing | | Car: Porsche 997 GT3 RSR |
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| | | American Le Mans Series GT2 | | Position: 10 (51 points) | 3 races. 1 win. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Farnbacher Loles Racing | | Car: Porsche 911 GT3 RSR |
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| | | 24H Series - A6 | | Position: 30 | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Proton Competition | | Car: Porsche 997 GT3 RSR |
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2007
| | Porsche Supercup | | Position: 1 (169 points) | 10 races. 2 wins. 0 pole positions. 6 podiums. 5 fastest laps.
| | Team: HISAQ Competition | | Car: Porsche 911 GT3 Cup 997 |
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| | | Porsche Carrera Cup Germany | | Position: 2 (126 points) | 9 races. 5 wins. 1 pole position. 5 podiums. 4 fastest laps.
| | Team: ARAXA Racing | | Car: Porsche 911 GT3 Cup 997 |
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| | | Le Mans Series LMGT2 | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: JWA | | Car: Porsche 997 GT3 RSR | | Complete results needed. |
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2006
| | Porsche Supercup | | Position: 1 (214 points) | 12 races. 4 wins. 4 pole positions. 12 podiums. 3 fastest laps.
| | Team: RT Morellato PZ Essen | | Car: Porsche 911 GT3 |
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| | | Porsche Carrera Cup Germany | | Position: no position | 5 races. 1 win. 0 pole positions. 4 podiums. 2 fastest laps.
| | Team: EMC Buchbinder ARAXA Racing | | Car: Porsche 911 GT3 |
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2005
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| | | Porsche Supercup | | Position: 9 (95 points) | 10 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Walter Lechner Racing | | Car: Porsche 911 GT3 Cup |
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2004
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2003
| | Porsche Supercup | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Porsche Cars GB | | Car: Porsche 911 GT3 | | Complete results needed. |
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2002
| | Porsche Supercup | | Position: 15 (40 points) | 8 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Kadach Tuning | | Car: Porsche 911 GT3 | | Complete results needed. |
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1996
| | Formula 3 Germany | | Position: 22 (6 points) | 6 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Tokmakidis Motorsport | | Car: Dallara F395 (Opel) |
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| | | Formula 3 Austria | | Position: 1 | ? races. 2 wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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1995
| | Formula Opel Euroseries | | Position: 4 (126 points) | ? races. 3 wins. ? pole positions. 6 podiums. 1 fastest lap.
| | Team: David Lloyd Motorsport | | Complete results needed. |
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1994
| | Formula Opel Lotus Euroseries | | Position: 4 (110.5 points) | ? races. 1 win. ? pole positions. 3 podiums. 3 fastest laps.
| | Team: David Lloyd Motorsport | | Complete results needed. |
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1993
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