| 1971 | 8. | GTS | 2. | René Mazzia | Porsche 911 EC | Porsche 2410 F6 | — | 303 | René Mazzia |
| 1972 | 13. | GTS | 6. | Louis Meznarie | Porsche 911 S | Porsche 2466 F6 Firestone | Firestone | 285 | Sylvain Garant / Mike Keyser |
| 1973 | 10. | GTS | 4. | Gelo Racing Team | Porsche Carrera RSR | Porsche 2806 F6 Dunlop (N° 911 360 0847) | Dunlop | 319 | Georg Loos |
| 1974 | — | GTS | — | Polifac Gelo Racing Team | Porsche Carrera RSR | Porsche 2993 F6 Firestone (N° 911 360 0847) | Firestone | 227 | Franz Pesch / Georg Loos |
| 1974 | — | GTS | — | Polifac Gelo Racing Team | Porsche Carrera RSR | Porsche 2993 F6 Firestone (N° 911 460 9077) | Firestone | 4 | Georg Loos / Clemens Schickentanz |
| 1975 | 4. | S | 4. | Joest Racing Ovoro | Porsche 908/3 | Porsche 2995 F8 Goodyear | Goodyear | 325 | Reinhold Joest / Mario Casoni |
| 1976 | — | VI | — | Martini Racing Joest | Porsche 936 Spider | Porsche 911/78 2142 F6 Turbo Goodyear (N° 936 001) | Goodyear | 3 | Reinhold Joest |
| 1977 | 1. | VI | 1. | Martini Racing | Porsche 936/77 | Porsche 911/78 2142 F6 Bi-turbo Dunlop (N° 936 001) | Dunlop | 342 | Hurley Haywood / Jacky Ickx |
| 1978 | 2. | VI | 2. | Martini Racing Porsche System | Porsche 936/78 | Porsche 936/78 2140 F6 Bi-turbo Dunlop (N° 936 001) | Dunlop | 364 | Bob Wollek / Jacky Ickx |
| 1979 | — | VI | — | Essex Motorsport - Porsche | Porsche 936 | Porsche 935/73 2140 F6 Turbo Dunlop (N° 936 001) | Dunlop | 3 | Bob Wollek / Hurley Haywood |
| 1979 | — | VI | — | Essex Motorsport - Porsche | Porsche 936 | Porsche 935/73 2140 F6 Turbo Dunlop (N° 936 003) | Dunlop | 3 | Jacky Ickx / Brian Redman |
| 1980 | 6. | GTP | 3. | Porsche System | Porsche 924 Carrera Turbo | Porsche 1983 S4 Turbo Dunlop | Dunlop | 316 | Manfred Schurti / Eberhard Braun |
| 1981 | 7. | GTP | 3. | Porsche System Engineering | Porsche 924 GTP/LM | Porsche 2476 S4 Turbo Dunlop (N° 924/006) | Dunlop | 323 | Walter Röhrl |
| 1982 | 3. | Gr C | 3. | Rothmans Porsche | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo Dunlop (N° 956-004) | Dunlop | 341 | Hurley Haywood / Al Holbert |
| 1983 | — | Gr C | — | Rothmans Porsche | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo Dunlop (N° 956-004) | Dunlop | 0 | Vern Schuppan / Jacky Ickx / Derek Bell |
| 1991 | — | Cat. 2 | — | Konrad Motorsport (AUT) /Joest Porsche Racing | Porsche 962 C | Porsche 935-76 2994 F6 Bi-turbo Goodyear (N° 145) | Goodyear | 0 | — |
| 1993 | 15. | Cat.4 | 1. | Monaco Media International (Larbre Compétition) | Porsche Carrera RSR | Porsche M64/04 3756 F6 Pirelli (N° 6074) | Pirelli | 304 | Joël Gouhier / Dominique Dupuy |