1973 | Abandono | 44 | Porsche Carrera RS | Jean-Francois Piot/Peter Zbinden |
1974 | 7º (1º GTS 2001/3000) | 66 | Porsche Carrera RSR | Bernard Cheneviére/Peter Zbinden/Michel Dubois |
1975 | 15º (1º GTX) | 20 | Porsche Carrera RSR Turbo | Bernard Béguin/Peter Zbinden/Claude Haldi |
1976 | Abandono | 58 | Porsche 934 | Bernard Cheneviére/Peter Zbinden/Nicolas Bührer |