Championships won
| Standings Classifications
|
Races participated
| Date | Track | Series / Event | Pos | Car |
|---|---|---|---|---|
| 1971 | ||||
| 1971/04/11 | Salzburgring (AUT) | ETCC | 1 | Ford Escort RS 1600 |
| 1971/10/03 | Jarama (ESP) | ETCC | 1 | Ford Escort RS |
| 1972 | ||||
| 1972/05/28 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 9 | Porsche 911 S |
| 1972/07/09 | Nürburgring, RP (DEU) | ETCC Grosser Preis der Tourenwagen | 1 | BMW 2800 CS |
| 1973 | ||||
| 1973/04/22 | Salzburgring (AUT) | ETCC | 1 | Ford Capri RS |
| 1973/05/27 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 6 | Ford Capri RS |
| 1973/07/08 | Nürburgring, RP (DEU) | ETCC Grosser Preis der Tourenwagen | Took part | Ford Capri RS |
| 1975 | ||||
| 1975/06/01 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 9 | Porsche 911 Carrera |
| 1976 | ||||
| 1976/01/31 - 1976/02/01 | Daytona, FL (USA) | 24 Hours Daytona | 1 | Porsche |
| 1976/05/09 | Silverstone (GBR) | World Championship for Makes | 1 | BMW 3.0 CSL |
| 1976/10/03 | Bathurst (AUS) | Bathurst 1000 | 1 | Holden Torana L34 |
| 1977 | ||||
| 1977/05/29 | Nürburgring, RP (DEU) | World Championship for Makes ADAC 1000km Race | 2 | Porsche 935 |
| 1977/10/09 | Hockenheim, BW (DEU) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1978 | ||||
| 1978/03/19 | Mugello (ITA) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1978/07/02 | Zandvoort (NED) | DRM | 1 | Porsche 935 |
| 1978/07/08 | Watkins Glen, NY (USA) | World Championship for Makes 6 Hours Watkins Glen | 1 | Porsche 935 |
| 1978/07/29 | Hockenheim, BW (DEU) | DRM | 4 (4) | Porsche 935 |
| 1979 | ||||
| 1979/03/18 | Mugello (ITA) | World Championship for Makes | 1 | Porsche 935 Turbo |
| 1979/04/29 | Nürburgring, RP (DEU) | DRM | 4 | 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 | ||||
| 1980/03/22 | Sebring, FL (USA) | IMSA GTX Championship 12 Hours Sebring | 1 | Porsche 935 |
| 1980/04/27 | Riverside, CA (USA) | IMSA GTX Championship | 1 | Porsche 935 |
| 1980/05/04 | Laguna Seca, CA (USA) | IMSA GTX Championship | 1 | Porsche 935 |
| 1980/06/22 | Norisring, BY (DEU) | DRM | 1 | Porsche 935 Turbo |
| 1980/07/04 | Daytona, FL (USA) | IMSA GTX Championship Paul Revere 250 | 1 | Porsche 935 |
| 1980/07/13 | Salzburgring (AUT) | DRM | 2 | Porsche 935 K3 |
| 1980/07/27 | Sonoma, CA (USA) | IMSA GTX Championship | 1 | Porsche 935 |
| 1980/08/03 | Portland, OR (USA) | IMSA GTX Championship | 1 | Porsche 935 |
| 1980/08/17 | Mosport (CAN) | World Championship for Makes | 1 | Porsche 935 |
| 1980/08/24 | Zolder (BEL) | DRM | 1 | Porsche 935 Turbo |
| 1980/09/21 | Braselton, GA (USA) | IMSA GTX Championship | 1 | Porsche 935 |
| 1980/09/28 | Hockenheim, BW (DEU) | DRM | 1 | Porsche 935 Turbo |
| 1981 | ||||
| 1981/04/26 | Riverside, CA (USA) | World Championship for Makes | 1 | Porsche 935 K3 |
| 1983 | ||||
| 1983/04/10 | Monza (ITA) | World Championship for Sports Cars 1000km Monza | 5 | Porsche 956 |
| 1983/04/24 | Riverside, CA (USA) | IMSA GTP Championship | 1 (1) | Porsche 935 |
| 1983/04/29 | Donington (GBR) | ETCC | 1 | Jaguar XJ-S |
| 1983/05/08 | Silverstone (GBR) | World Championship for Sports Cars 1000km Silverstone | 8 | Porsche 956 |
| 1983/05/29 | Nürburgring, RP (DEU) | World Championship for Sports Cars ADAC 1000km Race | 6 | Porsche 956 |
| 1983/06/18 - 1983/06/19 | Le Mans (FRA) | World Championship for Sports Cars 24 Hours Le Mans | 5 | Porsche 956 |
| 1983/09/04 | Spa (BEL) | World Championship for Sports Cars 1000km Spa | 3 | Porsche 956 |
| 1983/09/18 | Brands Hatch (GBR) | European Endurance Championshp | 1 | Porsche 956 |