2000
| | FIA GT | | Position: 18 (6 points) | 3 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Freisinger Motorsport | | Car: Porsche 911 GT2 |
| |
| | | FIA GT NGT | | Position: 18 (5 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: RWS Red Bull Racing | | Car: Porsche 911 GT3 R |
| |
| | | Le Mans 24h - GT class | |
| Race position: no position. | | Team: Dick Barbour Racing | | Car: Porsche 911 GT3-R | | Complete results needed. |
| |
| | | |
| | | |
1999
| | FIA GT | | Position: 10 (16 points) | 7 races. 0 wins. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Konrad Motorsport, Freisinger Motorsport | | Car: Porsche 911 GT2 |
| |
| | | |
| | | |
| | | |
| | | |
| | | |
1998
| | FIA GT - GT1 | | Position: 23 (3 points) | 3 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Porsche AG, Larbre Compétition | | Car: Porsche 911 GT1 | | Car: Porsche 911 GT1 Evo |
| |
| | | |
| | | |
1997
| | FIA GT - GT1 | | Position: 12 (21 points) | 10 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Schübel Motorsport, Porsche AG | | Car: Porsche 911 GT1 | | Car: Porsche 911 GT1 Evo |
| |
| | | |
| | | |
1996
| | Global GT Championship | | Position: 27 (64 points) | 11 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Konrad Motorsport, Porsche AG | | Car: Porsche 911 GT2 Evo | | Car: Porsche 911 GT2 | | Car: Porsche 911 GT1 |
| |
| | | |
| | | |
| | | |
1995
| | Global GT Championship | | Position: 8 (124 points) | 11 races. 0 wins. 0 pole positions. 4 podiums. 1 fastest lap.
| | Team: Larbre Compétition, Freisinger Motorsport, Konrad Motorsport, GTC Motorsport | | Car: Porsche 911 GT2 | | Car: Porsche 911 Biturbo | | Car: Porsche 911 GT2 Evo | | Car: McLaren F1 GTR |
| |
| | | |
| | | |
1994
| | |
| | | |
1993
| | |
| | | |
1992
| | IMSA Camel GTP Championship | | Position: no position | 1 race. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Courage Compétition | | Car: Cougar C28S (Porsche) |
| |
| | | |
1991
| | |
| | | IMSA Camel GTP Championship | | Position: 27 (19 points) | 3 races. 1 win. 1 pole position. 2 podiums. 1 fastest lap.
| | Team: Joest Racing | | Car: Porsche 962C |
| |
| | | |
| | | Sportscar World Championship | | Position: 24 (12 points) | 1 race. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Silk Cut Jaguar | | Car: Jaguar XJR-12 |
| |
| | | |
1990
| | |
| | | |
| | | IMSA Camel GTP Championship | | Position: 23 (23 points) | 3 races. 0 wins. 1 pole position. 1 podium. 0 fastest laps.
| | Team: Bruce Leven Racing, Jochen Dauer Racing | | Car: Porsche 962C |
| |
| | | |
| | | |
1989
| | IMSA Camel GTP Championship | | Position: 7 (99 points) | 14 races. 2 wins. 0 pole positions. 3 podiums. 1 fastest lap.
| | Team: Busby Racing | | Car: Porsche 962 |
| |
| | | |
| | | SAT 1 Supercup | | Position: 1 (44 points) | 5 races. 3 wins. 4 pole positions. 4 podiums. 3 fastest laps.
| | Team: Joest Racing | | Car: Porsche 962C |
| |
| | | |
| | | |
| | | |
1988
| | |
| | | IMSA Camel GTP Championship | | Position: 12 (70 points) | 9 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Busby Racing | | Car: Porsche 962 |
| |
| | | Supercup | | Position: 2 (40 points) | 5 races. 1 win. ? pole positions. 4 podiums. ? fastest laps. | | Team: Joest Racing | | Car: Porsche 962C | | Complete results needed. |
| |
| | | DTM | | Position: 46 (3 points) | 4 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Car: Mercedes 190E 2.3-16 |
| |
| | | |
1987
| | IMSA Camel GTP Championship | | Position: 13 (62 points) | 11 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: BF Goodrich | | Car: Porsche 962 |
| |
| | | |
| | | Supercup | | Position: 2 (55 points) | 4 races. 0 wins. 0 pole positions. 3 podiums. ? fastest laps. | | Team: Joest Racing | | Car: Porsche 962C | | Complete results needed. |
| |
| | | |
1986
| | IMSA Camel GTP Championship | | Position: 7 (91 points) | 12 races. 2 wins. 1 pole position. 4 podiums. 0 fastest laps.
| | Team: Bayside Disposal Racing, Joest Racing | | Car: Porsche 962 |
| |
| | | World Sports-Prototype Championship | | Position: 13 (30 points) | 6 races. 1 win. 0 pole positions. 1 podium. 1 fastest lap.
| | Team: Rothmans Porsche, Richard Lloyd Racing | | Car: Porsche 962C | | Car: Porsche 956GTi |
| |
| | | Supercup | | Position: 7 (22400 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Car: Porsche 956 | | Car: Porsche 962 | | Complete results needed. |
| |
| | | |
1985
| | IMSA Camel GTP Championship | | Position: 8 (105 points) | 13 races. 3 wins. 2 pole positions. 7 podiums. 0 fastest laps.
| | Team: Henn's Swap Shop, Bayside Disposal Racing | | Car: Porsche 962 |
| |
| | | FIA World Endurance Championship | | Position: 5 (58 points) | 7 races. 1 win. 0 pole positions. 2 podiums. 0 fastest laps.
| | Team: Martini Racing Lancia | | Car: Lancia LC2-85 |
| |
| | | |
1984
| | |
| | | |
1983
| | |
| | | |
| | | |
| | | IMSA Camel GT Championship | | Position: 20 (34 points) | 3 races. 1 win. 1 pole position. 2 podiums. 1 fastest lap.
| | Team: Henn's Swap Shop | | Car: Porsche 935L |
| |
| | | |
| | | |
| | | |
1982
| | |
| | | FIA World Endurance Championship | | Position: no position | 6 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Joest Racing, John Fitzpatrick Racing | | Car: Porsche 936C | | Car: Porsche 935 K4 |
| |
| | | IMSA Camel GT Championship | | Position: no position | 2 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: N.A.R.T., John Fitzpatrick Racing | | Car: Ferrari 512 BB | | Car: Porsche 935 |
| |
| | | |
1981
| | DRM (German Racing Championship) | | Position: 2 (179 points) | 13 races. 3 wins. 3 pole positions. 10 podiums. 2 fastest laps.
| | Team: Kremer Racing | | Car: Porsche 935 K3 | | Car: Porsche 935 K4 |
| |
| | | World Championship for Drivers and Makes | | Position: 260 (9.5 points) | 4 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: John Fitzpatrick Racing, T-Bird Swap Shop, Kremer Racing | | Car: Porsche 935 K3/80 |
| |
| | | |
1980
| | |
| | | |
1979
| | |
| | | |
1978
| | DRM (German Racing Championship) | | Position: 3 (131 points) | 11 races. 4 wins. 2 pole positions. 6 podiums. 2 fastest laps.
| | Team: Porsche Kremer Racing | | Car: Porsche 935 |
| |
| | | |
| | | |
1977
| | DRM (German Racing Championship) | | Position: 2 (152 points) | 10 races. 4 wins. 2 pole positions. 9 podiums. 5 fastest laps.
| | Team: Porsche Kremer Racing | | Car: Porsche 935 | | Car: Porsche 935 K2 |
| |
| | | |
1976
| | DRM (German Racing Championship) | | Position: 3 (114 points) | 9 races. 3 wins. 2 pole positions. 7 podiums. 3 fastest laps.
| | Team: Porsche Kremer Racing | | Car: Porsche 934 |
| |
| | | European GT Championship | | Position: 4 (45 points) | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Car: Porsche 934 | | Complete results needed. |
| |
| | | |
1975
| | |
| | | |
1973
| | Formula 2 Europe | | Position: 6 (23 points) | 11 races. 0 wins. 0 pole positions. 1 podium. 0 fastest laps.
| | Team: Motul Rondel Racing | | Car: Motul M1 (Ford BDA) |
| |
| | | |
| | | |
1972
| | Formula 2 Europe | | Position: 7 (21 points) | 12 races. 0 wins. 0 pole positions. 3 podiums. 0 fastest laps.
| | Team: Motul Rondel Racing | | Car: Brabham BT38 (Ford) |
| |
| | | |
| | | |
1971
| | |
| | | Formula 2 Europe | | Position: 20 (1 points) | 2 races. 0 wins. 0 pole positions. 0 podiums. 0 fastest laps.
| | Team: Rondel Racing | | Car: Brabham BT36 (FVA) |
| |
| | | |
| | | |
| | | |
1970
| | Formula 3 France | | Position: no position | ? races. ? wins. ? pole positions. ? podiums. ? fastest laps. | | Team: Promocourse Redex | | Car: Brabham BT28 (Ford) | | Complete results needed. |
| |