2011
| | Porsche Carrera Cup Germany | | Position: 9 (53 points) | 7 races. 0 wins. 0 pole positions. 0 podiums. 1 fastest lap.
| | Team: Alzen Automotive | | Car: Porsche 911 GT3 Cup 997 |
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| | | Le Mans Series - LM GTE Pro | | Position: no position | 2 races. 0 wins. 0 pole positions. 1 podium. ? fastest laps. | | Team: BMW Motorsport | | Car: BMW M3 GT2 | | Complete results needed. |
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| | | 24h Nürburgring | |
| Race position: 2. | | Team: Team BMW Motorsport | | Car: BMW M3 GT | | Complete results needed. |
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2010
| | Porsche Carrera Cup Germany | | Position: 3 (98 points) | 9 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Herberth Motorsport | | Car: Porsche 911 GT3 Cup 997 |
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| | | FIA GTN European Cup | | Position: 2 | 1 race. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: BMW Motorsport | | Car: BMW M3 |
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| | | Le Mans Series - LMGT2 | | Position: 24 (3 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: BMW Team Schnitzer | | Car: BMW M3 |
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2009
| | VLN Endurance | | Position: 103 (45.82 points) | 7 races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Complete results needed. |
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2008
| | Speedcar Series | | Position: 3 (42 points) | 10 races. 3 wins. 0 pole positions. 5 podiums. 2 fastest laps.
| | Team: Phoenix Racing | | Car: Speedcar V8 |
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| | | Porsche Carrera Cup Germany | | Position: 9 (62 points) | 8 races. 1 win. 1 pole position. 2 podiums. 2 fastest laps.
| | Team: Herberth Motorsport | | Car: Porsche 911 GT3 Cup 997 |
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| | | Porsche Supercup | | Position: 13 (67 points) | 6 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: SPS Automotive-Performance | | Car: Porsche 911 GT3 Cup 997 |
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| | | Toyo Tires 24H Series-A6 | | Position: 13 (15 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Oktanas Racing Team | | Car: Porsche 996 RSR |
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| | | American Le Mans Series - GT2 | | Position: 26 (16 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Vici Racing | | Car: Porsche 911 GT3 RSR |
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| | | FIA GT - GT1 | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Phoenix Carsport Racing | | Car: Chevrolet Corvette C6.R |
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| | | 24H Series Toyo Tires | | Position: 133 (15 points) | 0 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Oktanas Racing Team | | Car: Porsche 996 RSR |
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2007
| | Porsche Supercup | | Position: 3 (128 points) | 10 races. 2 wins. 2 pole positions. 4 podiums. 1 fastest lap.
| | Team: SPS Automotive Performance | | Car: Porsche 911 GT3 Cup 997 |
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| | | Porsche Carrera Cup Germany | | Position: 1 (129 points) | 9 races. 0 wins. 1 pole position. 5 podiums. 1 fastest lap.
| | Team: Herberth Motorsport | | Car: Porsche 911 GT3 Cup 997 |
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| | | 24h Nürburgring - SP7 | |
| Race position: 3. | | Team: Hankook / H & R Spezialfedern | | Car: Porsche Cayman | | Complete results needed. |
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| | | Grand American Rolex Series - DP | | Position: 81 (4 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: VICI Racing | | Car: Fabcar (Porsche) | | Complete results needed. |
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2006
| | Porsche Supercup | | Position: 3 (146 points) | 11 races. 3 wins. 2 pole positions. 4 podiums. 5 fastest laps.
| | Team: PZ Koblenz | | Car: Porsche 911 GT3 |
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| | | Porsche Carrera Cup Germany | | Position: 2 (133 points) | 9 races. 4 wins. 4 pole positions. 6 podiums. 4 fastest laps.
| | Team: HP Team Herberth | | Car: Porsche 911 GT3 |
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| | | FIA GT - GT2 | | Position: 44 (2 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Ebimotors | | Car: Porsche 911 GT3 RSR | | Complete results needed. |
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2005
| | Porsche Supercup | | Position: 10 (87 points) | 8 races. 0 wins. 0 pole positions. 2 podiums. 1 fastest lap.
| | Team: Konrad Motorsport | | Car: Porsche 911 GT3 Cup |
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| | | FIA GT - GT1 | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Konrad Motorsport | | Car: Saleen S7-R | | Complete results needed. |
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2004
| | FIA GT | | Position: 10 (44 points) | 13 races. 3 wins. 1 pole position. 4 podiums. ? fastest laps. | | Team: Konrad Motorsport | | Car: Saleen S7-R | | Complete results needed. |
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| | | Le Mans Endurance Series GTS | | Position: 10 (8 points) | 4 races. 0 wins. 0 pole positions. 0 podiums. ? fastest laps. | | Team: Konrad Motorsport | | Car: Saleen S7-R (Ford) | | Complete results needed. |
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2003
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| | | Porsche Supercup | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Porsche AG VIP Team | | Car: Porsche 911 GT3 |
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2002
| | DTM | | Position: 5 (24 points) | 9 races. 1 win. 1 pole position. 2 podiums. 1 fastest lap.
| | Team: HWA AMG | | Car: Mercedes CLK |
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2001
| | DTM | | Position: 2 (101 points) | 10 races. 2 wins. 1 pole position. 5 podiums. 0 fastest laps.
| | Team: Team Warsteiner AMG | | Car: Mercedes CLK |
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2000
| | DTM | | Position: 6 (100 points) | 15 races. 3 wins. 0 pole positions. 4 podiums. 1 fastest lap.
| | Team: Team Holzer | | Car: Opel Astra Coupe |
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1999
| | German Supertouring Championship | | Position: 2 (576 points) | 20 races. 6 wins. 4 pole positions. 13 podiums. 3 fastest laps.
| | Team: Opel Team Holzer | | Car: Opel Vectra 16V |
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1998
| | German Supertouring Championship | | Position: 3 (482 points) | 20 races. 2 wins. 1 pole position. 7 podiums. 2 fastest laps.
| | Team: Opel Team Holzer | | Car: Opel Vectra 16V |
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| | | FIA GT - GT1 | | Position: 8 (19 points) | 9 races. 0 wins. 0 pole positions. 3 podiums. 1 fastest lap.
| | Team: Porsche AG | | Car: Porsche 911 GT1 |
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| | | SCCA US Road Racing Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 1 podium. ? fastest laps. | | Team: Rohr Motorsport | | Car: Porsche 911 GT1 Evo | | Complete results needed. |
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1997
| | German Supertouring Championship | | Position: 5 (370 points) | 20 races. 0 wins. 0 pole positions. 8 podiums. 1 fastest lap.
| | Team: Opel Team Zakspeed, Opel Team Holzer, Opel Team SMS | | Car: Opel Vectra 16V |
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| | | FIA GT - GT2 | | Position: 24 (4 points) | 3 races. 0 wins. 0 pole positions. 1 podium. ? fastest laps. | | Team: Konrad Motorsport, Roock Racing | | Car: Porsche 911 GT2 | | Complete results needed. |
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1996
| | DTM | | Position: 8 (119 points) | 26 races. 0 wins. 1 pole position. 5 podiums. 3 fastest laps.
| | Team: Zakspeed Racing | | Car: Opel Calibra V6 |
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| | | Global GT Championship | | Position: no position | 0 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Roock Racing | | Car: Porsche 911 GT2 |
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1995
| | DTM | | Position: 14 (34 points) | 14 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Persson Motorsport | | Car: AMG-Mercedes C-Klasse |
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| | | ADAC GT Cup class 1 | | Position: 1 (129 points) | 8 races. 3 wins. ? pole positions. 8 podiums. ? fastest laps. | | Team: Roock Racing | | Car: Porsche 911 GT2 | | Complete results needed. |
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1994
| | DTM | | Position: 18 (4 points) | 22 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Persson Motorsport | | Car: AMG-Mercedes 190E |
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| | | Porsche Supercup | | Position: 1 (131 points) | 9 races. 5 wins. 3 pole positions. 5 podiums. 5 fastest laps.
| | Team: Roock Racing |
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| | | ADAC GT Cup class 1 | | Position: 6 (35 points) | 2 races. 1 win. 1 pole position. 2 podiums. 0 fastest laps.
| | Team: Roock Racing | | Car: Porsche Carrera RSR |
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1993
| | DTM | | Position: 11 (40 points) | 19 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Persson Motorsport | | Car: Mercedes 190E 2.5-16 Evo2 |
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| | | Porsche Supercup | | Position: 2 (152 points) | 9 races. 3 wins. 4 pole positions. 8 podiums. 3 fastest laps.
| | Team: Porsche Zentrum Koblenz | | Car: Porsche Carrera |
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| | | ADAC GT Cup class 1 | | Position: 23 (3 points) | 1 race. 0 wins. 0 pole positions. 0 podiums. 1 fastest lap.
| | Team: Roock Racing | | Car: Porsche Carrera RSR |
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| | | Porsche Carrera Cup Germany | | Position: no position (36 points) | ? races. 1 win. 1 pole position. 2 podiums. 1 fastest lap.
| | Team: Porsche Zentrum Koblenz | | Car: Porsche Carrera | | Complete results needed. |
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1992
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1991
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1990
| | Porsche Carrera Cup Germany | | Position: 20 (2 points) | ? races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: Porsche Carrera 2 | | Complete results needed. |
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