2008
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| | | ADAC Procar - Division I | | Position: 9 (26 points) | 3 races. 2 wins. 1 pole position. 3 podiums. 2 fastest laps.
| | Team: Liqui Moly Team Engstler | | Car: BMW 320i E46 |
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| | | European Touring Car Cup S2000 | | Position: 6 (5 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Liqui Moly Team Engstler | | Car: BMW 320si E90 |
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| | | 24H Series - A5 | | Position: 1 (26 points) | 1 race. 1 win. 1 pole position. 1 podium. 0 fastest laps.
| | Team: ORMS-Racing | | Car: BMW Z4 Coupé |
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| | | 24H Series Toyo Tires | | Position: 18 (26 points) | 0 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: ORMS Racing | | Car: BMW Z4 Coupe |
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2007
| | ADAC Procar - Division I | | Position: 1 (134 points) | 15 races. 12 wins. 7 pole positions. 14 podiums. ? fastest laps. | | Team: Engstler Motorsport | | Car: BMW 320i E46 | | Complete results needed. |
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| | | World Touring Car Championship | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Engstler Motorsport | | Car: BMW 320si |
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2006
| | Asian Touring Car Championship | | Position: 1 (165 points) | 12 races. 11 wins. 6 pole positions. 11 podiums. 11 fastest laps.
| | Team: Engstler Motorsport | | Car: BMW 320i |
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| | | ADAC Procar - Division I | | Position: 7 (48 points) | 5 races. 4 wins. 2 pole positions. 5 podiums. 3 fastest laps.
| | Team: BMW Team Engstler | | Car: BMW 320i |
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2005
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| | | European Touring Car Cup S2000 | | Position: 7 (6 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: BMW Team Engstler | | Car: BMW 320i |
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2004
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2003
| | German Touring Car Challenge | | Position: 3 (259 points) | 15 races. 0 wins. 0 pole positions. 3 podiums. 1 fastest lap.
| | Team: ER Competition | | Car: BMW 320i |
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2002
| | German Touring Car Challenge | | Position: 11 (142 points) | 8 races. 0 wins. 1 pole position. 1 podium. 0 fastest laps.
| | Team: Schubert Motors | | Car: BMW 320i |
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| | | V8Star Germany | | Position: 22 (47 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: GAG Racing Team |
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2001
| | German Touring Car Challenge | | Position: 15 (93 points) | 7 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Scuola Sportiva Team Engstler | | Car: Alfa Romeo 147 |
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2000
| | German Touring Car Challenge | | Position: 1 (322 points) | 9 races. 3 wins. 0 pole positions. 4 podiums. 2 fastest laps.
| | Team: Schäfer Motorsport | | Car: BMW 320i E46 |
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1999
| | German Supertouring Championship | | Position: 20 (103 points) | 13 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: ER Motorsport | | Car: Alfa Romeo 155 TS |
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1998
| | German Supertouring Championship | | Position: 21 (119 points) | 19 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Irmscher Motorsport | | Car: Opel Vectra 16V |
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1997
| | German Supertouring Championship | | Position: 24 (57 points) | 20 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Team Engstler | | Car: Alfa Romeo 155 TS |
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1996
| | German Supertouring Championship | | Position: 19 (135 points) | 18 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Team Engstler | | Car: Alfa Romeo 155TS |
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1994
| | DTM | | Position: 19 (1 points) | 8 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Schübel Engineering | | Car: Alfa Romeo 155 V6 TI |
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1992
| | DTM | | Position: 16 (26 points) | 24 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Valier Motorsport | | Car: BMW M3 Sport Evolution |
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1991
| | DTM | | Position: no position | 15 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Opel Team Irmscher | | Car: Opel Omega 3000 Evo 500 |
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1990
| | Formula 3 Germany | | Position: 17 (8 points) | 7 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Pfeil Sportpr./Kaufmann Motorsp. | | Car: Martini MK60 Volkswagen |
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| | | DTM | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: BMW M3 Sport Evolution |
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1989
| | Formula 3 Germany | | Position: 12 (65 points) | 12 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Mönninghoff Sympathik Racing | | Car: Reynard 883 (Volkswagen) |
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| | | DTM | | Position: no position | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: BMW M3 |
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1988
| | Formula 3 Germany | | Position: 12 (68 points) | 10 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: WTS Liqui Moly Equipe | | Car: Reynaard 873 (Volkswagen) |
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