| 1976 | 17 | Porsche 908/03 | Porsche 911/78 2142 F8 Turbo | VI | Goodyear | 7. | 5. | classified | 314 | Ernst Kraus / Günther Steckkönig |
| 1981 | 14 | Porsche 908/80 | Porsche 911/78 2141 F6 Bi-turbo | VI | Dunlop | — | — | retired | 80 | Reinhold Joest / Dale Whittington / Klaus Niedzwiedz |
| 1981 | 40 | Porsche 935 | Porsche 930/78 2800 F6 Turbo | IMSA-GTX | Dunlop | — | — | retired | 152 | Mauricio de Narvaez / Kenper Miller / Günther Steckkönig |
| 1983 | 12 | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo | Gr C | Dunlop | 4. | 4. | classified | 362 | Volkert Merl / Clemens Schickentanz / Mauricio de Narvaez |
| 1983 | 15 | Porsche 936j | Porsche 935 2678 F6 Bi-turbo | Gr C | Dunlop | — | — | retired | 9 | Jean-Michel Martin / Marc Duez / Philippe Martin |
| 1983 | 8 | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo | Gr C | Dunlop | 6. | 6. | classified | 354 | Klaus Ludwig / Stefan Johansson / Bob Wollek |
| 1984 | 7 | Porsche 956 B | Porsche 935/76 2649 F6 Bi-turbo | Gr C | Dunlop | 1. | 1. | classified | 359 | Henri Pescarolo / Klaus Ludwig |
| 1984 | 8 | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo | Gr C | Dunlop | — | — | retired | 170 | Stefan Johansson / Jean-Louis Schlesser / Mauricio de Narvaez |
| 1985 | 7 | Porsche 956 B | Porsche 935/76 2649 F6 Bi-turbo | Gr C1 | Dunlop | 1. | 1. | classified | 373 | Klaus Ludwig / Paolo Barilla / John Winter (Louis Krages) |
| 1985 | 8 | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo | Gr C1 | Dunlop | — | — | retired | 277 | Paul Belmondo / Mauricio de Narvaez / Kenper Miller |
| 1986 | 7 | Porsche 956 | Porsche 935/76 2649 F6 Bi-turbo | Gr C1 | Goodyear | — | — | retired | 196 | Klaus Ludwig / Paolo Barilla / John Winter (Louis Krages) |
| 1986 | 8 | Porsche 956 B | Porsche 935/76 2649 F6 Bi-turbo | Gr C1 | Goodyear | 3. | 3. | classified | 354 | George Follmer / John Morton / Kenper Miller / Paolo Barilla |
| 1987 | 7 | Porsche 962 C | Porsche 935/79 2850 F6 Turbo | C1 | Goodyear | — | — | retired | 4 | Sarel van der Merwe / David Hobbs / Chip Robinson |
| 1987 | 8 | Porsche 962 C | Porsche 935/79 2800 F6 Turbo | C1 | Goodyear | — | — | retired | 7 | Frank Jelinski / Stanley Dickens / Hurley Haywood |
| 1988 | 7 | Porsche 962 C | Porsche 935/79 2850 F6 Bi-turbo | C1 | Goodyear | 5. | 5. | classified | 380 | David Hobbs / Didier Theys / Franz Konrad |
| 1988 | 8 | Porsche 962 C | Porsche 935/79 2850 F6 Bi-turbo | C1 | Goodyear | 3. | 3. | classified | 385 | Frank Jelinski / John Winter (Louis Krages) / Stanley Dickens |
| 1989 | 7 | Porsche Joest 962 C | Porsche 2998 F6 Bi-turbo | C1 | Goodyear | — | — | retired | 124 | Frank Jelinski / Pierre-Henri Raphanel / John Winter (Louis Krages) |
| 1989 | 8 | Porsche 962 C | Porsche 935/76 2998 F6 Bi-turbo | C1 | Goodyear | 6. | 6. | classified | 371 | Henri Pescarolo / Claude Ballot-Léna / Jean-Louis Ricci |
| 1989 | 9 | Porsche 962 C | Porsche 935/76 2998 F6 Bi-turbo | C1 | Goodyear | 3. | 3. | classified | 382 | Hans-Joachim Stuck / Bob Wollek |
| 1996 | 7 | TWR Porsche WSC 95 | Porsche 935/76 2994 F6 Bi-turbo | LMP1 | Goodyear | 1. | 1. | classified | 354 | Davy Jones / Alexander Wurz / Manuel Reuter |
| 1996 | 8 | TWR Porsche WSC 95 | Porsche 935/76 2994 F6 Bi-turbo | LMP1 | Goodyear | — | — | retired | 300 | Michele Alboreto / Pierluigi Martini / Didier Theys |
| 1997 | 7 | TWR Porsche WSC 95 | Porsche 935/76 2994 F6 Bi-turbo | LMP 875 | Goodyear | 1. | 1. | classified | 361 | Michele Alboreto / Stefan Johansson / Tom Kristensen |
Joest Racing