| 1981 | 40 |
Joest Racing | Porsche 935 |
Porsche 930/78 2800 F6 Turbo | Dunlop |
— | — |
Retired | 152 | Mauricio de Narvaez / Kenper Miller / Günther Steckkönig |
| 1981 | 41 |
Preston Henn Racing | Porsche 935 K3 |
Porsche 2993 F6 Turbo | Dunlop |
— | — |
Retired | 45 | Preston Henn / Mike Chandler / Marcel Mignot |
| 1981 | 42 |
Bob Garretson / Cooke-Woods Racing | Porsche 935 K3 |
Porsche 3160 F6 Turbo | Goodyear |
6. | 2. |
Finished | 328 | Anny-Charlotte Verney / Bob Garretson / Ralph Cooke |
| 1981 | 43 |
Bob Akin Motor Racing | Porsche 935 K3 |
Porsche 2993 F6 Turbo | Goodyear |
— | — |
Retired | 320 | Bob Akin / Paul Miller / Craig Siebert |
| 1981 | 45 |
Scuderia Supercar Bellancauto SRL | Ferrari 512 BB LM |
Ferrari 4991 F12 | Michelin |
— | — |
Retired | 118 | Fabrizio Violati / Maurizio Flammini / Duilio Truffo |
| 1981 | 46 |
Rennod Racing | Ferrari 512 BB LM |
Ferrari 4942 F12 | Goodyear |
9. | 3. |
Finished | 321 | Pierre Dieudonné / Jean Xhenceval / Jean-Paul Libert |
| 1981 | 47 |
Charles Pozzi S.A. | Ferrari 512 BB LM |
Ferrari 4942 F12 | Michelin |
5. | 1. |
Finished | 328 | Jean-Claude Andruet / Claude Ballot-Léna / Hervé Regout |
| 1981 | 48 |
Simon Phillips | Ferrari 512 BB LM |
Ferrari 4942 F12 | Michelin |
— | — |
Retired | 140 | Simon Phillips / Mike Salmon / Steven Earle |
| 1981 | 49 |
North American Racing Team | Ferrari 512 BB LM |
Ferrari 4942 F12 | Michelin |
— | — |
Retired | 247 | Alain Cudini / Philippe Gurdjian / John Morton |
| 1981 | 50 |
GS Tuning | BMW M1/GS |
BMW M88 3457 S6 | Dunlop |
— | — |
Retired | 57 | Hans-Joachim Stuck / Jean-Pierre Jarier / Helmut Henzler |