Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1973 | ||||
| 1973/03/25 | Monza (ITA) | ETCC | DNC | BMW 3.0 CSL |
| 1973/06/03 | Mantorp Park (SWE) | ETCC | DNC | BMW 3.0 CSL |
| 1974 | ||||
| 1974/06/15 - 1974/06/16 | Le Mans (FRA) | World Championship for Makes 24 Hours Le Mans | DNC | Matra MS670B-Simca |
| 1975 | ||||
| 1975/06/01 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 8 | Porsche 911 Carrera |
| 1976 | ||||
| 1976/05/23 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 934 Turbo |
| 1976/06/27 | Norisring, BY (DEU) | DRM | 1 | Porsche Carrera Turbo RSR |
| 1976/09/26 | Hockenheim, BW (DEU) | DRM | 1 (1) | Porsche Carrera Turbo RSR |
| 1977 | ||||
| 1977/05/01 | Nürburgring, RP (DEU) | DRM | 1 | Porsche 935/2 |
| 1977/05/08 | Kassel-Calden, HE (DEU) | DRM | 1 | Porsche 935/2 |
| 1977/05/29 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 2 | Porsche 935 |
| 1977/07/31 | Hockenheim, BW (DEU) | DRM | 1 | Porsche 935/2 |
| 1977/08/14 | Zolder (BEL) | DRM | 1 | Porsche 935/2 |
| 1977/08/21 | Mosport (CAN) | World Championship for Makes | 1 | Porsche 934/5 Turbo |
| 1977/10/09 | Hockenheim, BW (DEU) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1978 | ||||
| 1978/04/02 | Nürburgring, RP (DEU) | DRM | 1 (1) | Porsche 935 |
| 1978/04/16 | Dijon (FRA) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1978/05/28 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 3 | Porsche 935 |
| 1978/06/18 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 935 |
| 1978/06/25 | Misano (ITA) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1978/07/16 | Kassel-Calden, HE (DEU) | DRM | 1 | Porsche 935 |
| 1978/09/03 | Vallelunga (ITA) | World Championship for Makes 6 Hours Vallelunga | 1 | Porsche 935 Turbo |
| 1978/10/01 | Nürburgring, RP (DEU) | DRM | 1 | Porsche 935 |
| 1979 | ||||
| 1979/03/18 | Mugello (ITA) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1979/04/29 | Nürburgring, RP (DEU) | DRM | 1 | Porsche 935 Turbo |
| 1979/05/06 | Silverstone (GBR) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1979/06/03 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 1 | Porsche 935 |
| 1980 | ||||
| 1980/03/23 | Zolder (BEL) | DRM | 2 | Porsche 935 Turbo |
| 1980/03/30 | Nürburgring, RP (DEU) | DRM | DNC | Porsche 935 Turbo |
| 1980/04/13 | Hockenheim, BW (DEU) | DRM | 4 | Porsche 935 Turbo |
| 1980/04/27 | Nürburgring, RP (DEU) | DRM | 2 | Porsche 935 Turbo |
| 1980/05/18 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 935 Turbo |
| 1980/07/13 | Salzburgring (AUT) | DRM | 3 | Porsche 935 Turbo |
| 1981 | ||||
| 1981/03/29 | Nürburgring, RP (DEU) | DRM | 1 | Porsche 935 |
| 1981/05/17 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 935 |
| 1981/07/05 | Nürburgring, RP (DEU) | DRM | 1 | Porsche 935 |
| 1982 | ||||
| 1982/04/04 | Hockenheim, BW (DEU) | DRM | 1 | Porsche 936 |
| 1982/05/09 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 936 |
| 1982/05/23 | Salzburgring (AUT) | DRM | 1 | Porsche 936 |
| 1983 | ||||
| 1983/02/04 - 1983/02/05 | Daytona, FL (USA) | IMSA GTP Championship 24 Hours Daytona | 1 (1) | Porsche 935 K Turbo |
| 1983/03/20 | Zolder (BEL) | DRM | 1 | Porsche 956 |
| 1983/04/10 | Monza (ITA) | World Championship for Sports Cars 1000km Monza | 1 | Porsche 956 |
| 1983/05/01 | Avus, BE (DEU) | DRM | 1 | Porsche 956 |
| 1983/05/08 | Silverstone (GBR) | World Championship for Sports Cars 1000km Silverstone | 2 | Porsche 956 |
| 1983/05/15 | Mainz-Finthen, RP (DEU) | DRM | 1 | Porsche 956 |
| 1983/05/29 | Nürburgring, RP (DEU) | World Championship for Sports Cars ADAC 1000km Race | 2 | Porsche 956 |
| 1983/06/18 - 1983/06/19 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 6 | Porsche 956 |
| 1983/07/03 | Norisring, BY (DEU) | DRM | 1 | Porsche 956 |
| 1983/10/23 | Mugello (ITA) | European Endurance Championshp | 1 | Porsche 956 |
| 1985 | ||||
| 1985/03/23 | Sebring, FL (USA) | 12 Hours Sebring | 1 | Porsche 962 |
| 1985/06/15 - 1985/06/16 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 6 | Lancia LC2-83/85 |
| 1985/09/01 | Spa (BEL) | World Championship for Sports Cars 1000km Spa | 1 | Lancia LC2 |
| 1986 | ||||
| 1986/07/20 | Brands Hatch (GBR) | World Championship for Sports Cars | 1 | Porsche 956 |
| 1987 | ||||
| 1987/04/26 | Nürburgring, RP (DEU) | Supercup | 2 | Porsche 962 C |
| 1987/07/05 | Hockenheim, BW (DEU) | Supercup | 2 | Porsche 962 C |
| 1987/07/11 | Red Bull Ring (AUT) | Interserie | 1 | Porsche 962 C |
| 1987/07/12 | Red Bull Ring (AUT) | Interserie | 1 | Porsche 962 C |
| 1988 | ||||
| 1988/05/01 | Nürburgring, RP (DEU) | Supercup | 1 | Porsche 962 C |
| 1989 | ||||
| 1989/02/04 - 1989/02/05 | Daytona, FL (USA) | IMSA GTP Championship 24 Hours Daytona | 1 | Porsche 962 C |
| 1989/04/23 | Palm Beach, FL (USA) | IMSA GTP Championship | 1 | Porsche 962 C |
| 1989/04/30 | Nürburgring, RP (DEU) | Supercup | 1 | Porsche 962 C |
| 1989/05/14 | Silverstone (GBR) | Supercup | 1 | Porsche 962 C |
| 1989/05/21 | Dijon (FRA) | World Championship for Sports Cars | 1 | Porsche 962 C |
| 1989/09/24 | Nürburgring, RP (DEU) | Supercup | 1 | Porsche 962 C |
| 1990 | ||||
| 1990/02/03 - 1990/02/04 | Daytona, FL (USA) | IMSA GTP Championship 24 Hours Daytona | 3 (3) | Porsche 962 C |
| 1991 | ||||
| 1991/02/02 - 1991/02/03 | Daytona, FL (USA) | IMSA GTP Championship 24 Hours Daytona | 1 | Porsche 962 C |
| 1991/06/22 - 1991/06/23 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 3 | Jaguar XJR-12 |
| 1992 | ||||
| 1992/06/20 - 1992/06/21 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 6 | Cougar C28 S-Porsche |
| 1994 | ||||
| 1994/03/06 | Le Castellet (FRA) | BPR | 1 | Porsche 911 Turbo LM GT |
| 1994/08/28 | Suzuka (JAP) | BPR 1000km Suzuka | 1 | Porsche 911 Turbo LM GT |
| 1994/11/13 | Zhuhai City (CHI) | BPR | 1 | Porsche 911 Turbo LM GT |
| 1996 | ||||
| 1996/03/03 | Le Castellet (FRA) | BPR | 4 | Porsche 993 GT2 Evo |
| 1996/04/14 | Jarama (ESP) | BPR | 6 | Porsche 993 GT2 Evo |
| 1996/05/12 | Silverstone (GBR) | BPR British Empire Trophy | 9 | Porsche 993 GT2 Evo |
| 1996/06/15 - 1996/06/16 | Le Mans (FRA) | 24 Hours Le Mans | 2 | Porsche 911 GT1 |
| 1996/11/03 | Zhuhai (CHI) | BPR | 5 | Porsche 911 GT1 |
| 1996/12/08 | Curitiba (BRA) | BPR | 7 | Porsche 993 GT2 |
| 1997 | ||||
| 1997/04/13 | Hockenheim, BW (DEU) | FIA GT | 6 | Porsche 911 GT1 |
| 1998 | ||||
| 1998/10/10 | Braselton, GA (USA) | IMSA WSC Championship Petit Le Mans | 3 | Porsche 911 GT1 Evo |
| 1999 | ||||
| 1999/03/20 | Sebring, FL (USA) | ALMS 12 Hours Sebring | 4 (4) | Porsche 911 GT1 |
| 1999/07/25 | Sonoma, CA (USA) | ALMS Grand Prix of Sonoma | 25 (7) | Porsche 911 Turbo |
| 1999/08/01 | Portland, OR (USA) | ALMS | 15 (3) | Porsche 911 Turbo |
| 1999/09/18 | Braselton, GA (USA) | ALMS Petit Le Mans | 7 (7) | Porsche 911 GT1 |
| 1999/10/10 | Laguna Seca, CA (USA) | ALMS | 35 (8) | Porsche 911 Turbo |
| 2000 | ||||
| 2000/03/18 | Sebring, FL (USA) | ALMS 12 Hours Sebring | 21 | Porsche 996 GT3-R |
| 2000/03/26 | Valencia (ESP) | FIA GT | DNC | Porsche 993 GT2 |
| 2000/04/01 | Charlotte, NC (USA) | ALMS | 9 | Porsche 996 GT3-R |
| 2000/05/13 | Silverstone (GBR) | ALMS | 13 | Porsche 996 GT3-R |
| 2000/06/17 - 2000/06/18 | Le Mans (FRA) | Non-Championship Races 24 Hours Le Mans | DSQ | Porsche 996 GT3-R |
| 2000/07/09 | Nürburgring, RP (DEU) | ALMS ADAC 1000km Race | 33 | Porsche 996 GT3-R |
| 2000/07/23 | Sonoma, CA (USA) | ALMS Grand Prix of Sonoma | 11 | Porsche 996 GT3-R |
| 2000/08/06 | Mosport (CAN) | ALMS | 11 | Porsche 996 GT3-R |
| 2000/09/03 | Fort Worth, TX (USA) | ALMS | 12 | Porsche 996 GT3-R |
| 2000/09/10 | Portland, OR (USA) | ALMS | 11 | Porsche 996 GT3-R |
| 2001 | ||||
| 2001/03/04 | Fort Worth, TX (USA) | ALMS | 11 | Porsche 996 GT3-RS |