| 1 | Ickx / Bell | Porsche System (D) | | Porsche | 956 | | Porsche | C | +2000 |
| 2 | Mass / Schuppan | Porsche System (D) | | Porsche | 956 | | Porsche | C | |
| 3 | Holbert / Haywood / Barth | Porsche System (D) | | Porsche | 956 | | Porsche | C | |
| 4 | Wollek / Martin / Martin | Belga Team - Joest Racing (D) | | Porsche | 936C | | Porsche | C | |
| 5 | Field / Ongais / Whittington | Porsche Kremer Racing (D) | | Porsche | CK5 | | Porsche | C | |
| 6 | Ludwig / Surer / *Winkelhock | Ford (D) | | Ford | C100 | | Ford | C | |
| 7 | Niedzwiedz / Winkelhock / *Ludwig | Ford (D) | | Ford | C100 | | Ford | C | |
| 9 | Pignard / Raulet / Theys | Esso (F) | | WM | P82 | | Peugeot | C | |
| 10 | Fréquelin / Dorchy / Couderc | Esso (F) | | WM | P82 | | Peugeot | C | |
| 11 | Migault / Spice / Lapeyre | Jean Rondeau - R. Malardeau (F) | | Rondeau | M382 | | Ford | C | |
| 12 | Rondeau / Ragnotti / Pescarolo / *Alliot | Otis - Rondeau (F) | | Rondeau | M382 | | Ford | C | |
| 14 | Wood / Elgh / Neve | March Racing (GB) | | March | 82G | | Chevrolet | C | |
| 16 | Edwards / Keegan / Faure | Ultramar Team Lola (GB) | | Lola | T610 | | Ford | C | |
| 17 | Redman / Kent-Cooke / Adams | Cooke Racing - Malardeau (USA) | Ralph Kent-Cooke | Lola | T610 | | Ford | C | |
| 19 | Müller, Jr. / Brun / *Stuck | BASF Cassetten Team GS Sport (D) | | Sauber | SHS C6 | | Ford | C | |
| 20 | Stuck / Schlesser / Quester | BASF Cassetten Team GS Sport (D) | | Sauber | SHS C6 | | Ford | C | |
| 24 | Pescarolo / Jaussaud / *Rondeau / *Alliot | Otis - Rondeau (F) | | Rondeau | M382 | | Ford | C | |
| 25 | Yver / Sotty / Guitteny | Primagaz (F) | | Rondeau | M379 | C | Ford | C | |
| 26 | Haran / Candy / Poulain | Jacky Haran (F) | | Rondeau | M379 | C | Ford | C | |
| 27 | Andretti / Andretti | Grand Touring Cars Inc. (USA) | | Mirage | M12 | | Ford | C | |
| 29 | Rahal / Trueman / McKitterick | Garretson Development (USA) | Bob Garretson | March | 82G | | Chevrolet | C | |
| 30 | Striebig / Lateste / Heuclin | Michel Lateste (F) | | URD | C81 | | BMW | C | |
| 31 | Lees / Needell / Evans | Nimrod Racing Automobiles Ltd. (GB) | | Nimrod | NRA/C2 | | Aston Martin | C | |
| 32 | Mallock / Salmon / Phillips | Viscount Downe Pace Petroleum (GB) | | Nimrod | NRA/C2 | | Aston Martin | C | |
| 35 | Courage / Dubois / Grand | Yves Courage (F) | | Cougar | C01 | | Ford | C | |
| 36 | Craft / Salazar | Dome Co Ltd. (J) | | Dome | RC82 | | Ford | C | |
| 37 | de Villota / De Cadenet / Wilson | G.R.I.D. Racing (GB) | | Grid | S1 | | Ford | C | |
| 38 | Bussi / de Dryver / Witmeur | Christian Bussi (F) | | Rondeau | M382 | | Ford | C | |
| 39 | Wilds / Harrower / Duret | Dorset Racing Associates (GB) | Brian Joscelyne/Tony Birchenhough | De Cadenet | Lola | | Ford | C | |
| 50 | Ghinzani / Heyer / Patrese | Martini Racing (I) | | Lancia | 828 CB1 | | Lancia | Gr.6 | |
| 51 | Alboreto / Fabi / Stommelen / *Patrese | Martini Racing (I) | | Lancia | 828 CB1 | | Lancia | Gr.6 | |
| 54 | Bayard / Dubois | Ecurie Renard (F) | | Renard Delmas | D1 | | BMW | Gr.6 | |
| 55 | Birrane / Crang / Sheldon | Chevron Racing Cars (GB) | | Chevron | B36 | B | Ford | Gr.6 | |
| 60 | Cooper / Smith / Bourgoignie | Charles Ivey Engineering (GB) | John Cooper | Porsche | 935 | K3 | Porsche | Gr.5 | +2000 |
| 61 | Gasparetti / Ennequin / Gabriel | Total (F) | | BMW | M1 | Gr.5 | BMW | Gr.5 | |
| 62 | O'Rourke / Down / Mason | Emka Productions Ltd. (GB) | | BMW | M1 | Gr.5 | BMW | IMSA GTX | |
| 63 | Schornstein / Grohs / *DeNarvaez | Vegla Racing Team - Joest Porsche (D) | Dieter Schornstein | Porsche | 935 | J | Porsche | Gr.5 | |
| 64 | Dören / Contreras / Sprowls | Edgar Dören (D) | Edgar Dören | Porsche | 935 | K3/81 | Porsche | Gr.5 | |
| 65 | Giudici / Salam / Perrier | Thierry Perrier (F) | | Lancia | Beta Montecarlo Turbo | | Lancia | Gr.5 | |
| 66 | Castellano / Cohen-Olivar / Lemerle | Jean-Marie Lemerle (F) | | Lancia | Beta Montecarlo Turbo | | Lancia | Gr.5 | |
| 70 | Dieudonné / Baird / Libert | Prancing Horse Farm Racing (USA) | Ron Spangler | Ferrari | 512 BB | /LM | Ferrari | IMSA GTX | |
| 71 | Ballot-Léna / Andruet / Regout | Charles Pozzi - Ferrari France (F) | | Ferrari | 512 BB | /LM | Ferrari | IMSA GTX | |
| 72 | Cudini / Morton / Paul | N.A.R.T. (USA) | | Ferrari | 512 BB | /LM | Ferrari | IMSA GTX | |
| 73 | Henn / Lanier / Morin | N.A.R.T. (USA) | | Ferrari | 512 BB | /LM | Ferrari | IMSA GTX | |
| 75 | Haldi / Téran / Hesnault | Claude Haldi (CH) | Claude Haldi | Porsche | 935 | K3 | Porsche | Gr.5 | |
| 76 | Akin / Cowart / Miller | Bob Akin Motor Racing (USA) | Bob Akin | Porsche | 935 | L | Porsche | IMSA GTX | |
| 77 | Verney / Ratcliff / Garretson / *McKitterick | Garretson Development (USA) | Bob Garretson | Porsche | 935 | K3/80 | Porsche | IMSA GTX | |
| 78 | Snobeck / Servanin / Metge | Cooke Racing - B.P. (USA) | Ralph Kent-Cooke | Porsche | 935 | K3 | Porsche | IMSA GTX | |
| 79 | Fitzpatrick / Hobbs | John Fitzpatrick Racing (GB) | John Fitzpatrick | Porsche | 935 | /78-81 | Porsche | IMSA GTX | +2500 |
| 80 | McGriff / Brooks / *Williams | Stratagraph Inc. (USA) | Billy Hagan | Chevrolet | Camaro | II | Chevrolet | IMSA GTO | |
| 81 | Hagan / Felton / Williams | Stratagraph Inc. (USA) | Billy Hagan | Chevrolet | Camaro | III | Chevrolet | IMSA GTO | |
| 82 | Terada / Yorino / Moffat | Mazdaspeed (J) | | Mazda | RX-7 | 254i | Mazda | IMSA GTX | |
| 83 | Nicholson / Lovett / Walkinshaw | Mazdaspeed (J) | | Mazda | RX-7 | 254i | Mazda | IMSA GTX | |
| 84 | Rouse / Lloyd | Canon Cameras - GTi Engineering (GB) | | Porsche | 924 | Carrera GTR | Porsche | IMSA GTO | |
| 85 | Garcia / Stiff / Naon | Tony Garcia (USA) | | BMW | M1 | | BMW | IMSA GTO | |
| 86 | Miller / Bedard / Schurti / *Busby | B.F. Goodrich (USA) | | Porsche | 924 | Carrera GTR | Porsche | IMSA GTO | |
| 87 | Busby / Bundy / *Mignot | B.F. Goodrich (USA) | | Porsche | 924 | Carrera GTR | Porsche | IMSA GTO | 2001-3000 |
| 90 | Dron / Cleare / Jones | Richard Cleare (GB) | | Porsche | 934 | | Porsche | GT | +2000 |
| 95 | Touroul / Gadal / Gadal | Alain Gadal - Total (F) | | Porsche | 930 | | Porsche | B | |
| T | Ickx / Bell / Mass / Schuppan / Holbert / Haywood / Barth | Porsche System (D) | | Porsche | 956 | | Porsche | C | |