| 007 | Enge / Turner / Piccini | Aston Martin Racing (GB) | David Richards | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 009 | Lamy / Sarrazin / Ortelli | Aston Martin Racing (GB) | David Richards | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 2 | Nielsen / Elgaard / Andersen | Zytek Engineering (GB) | | Zytek | 06S | | Zytek | LMP1 |
| 5 | Primat / Fässler / Peter | Swiss Spirit (CH) | | Courage | LC70 | | Judd | LMP1 |
| 6 | Moller / Pickering / Kiesa | Lister Storm Racing (GB) | Brian Lister | Lister | Storm LMP | Hybrid | Chevrolet | LMP1 |
| 7 | Capello / Kristensen / McNish | Audi Sport Team Joest (D) | | Audi | R10 TDI | | Audi | LMP1 |
| 8 | Biela / Pirro / Werner | Audi Sport Team Joest (D) | | Audi | R10 TDI | | Audi | LMP1 |
| 9 | Minassian / Ortiz / Gabbiani | Creation Autosportif Ltd. (GB) | Michael Jankowski | Creation | CA06/H | | Judd | LMP1 |
| 12 | Hancock / Fisken / Frei | Courage Competition (F) | | Courage | LC70 | | Mugen | LMP1 |
| 13 | Nakano / Kurosawa / Gounon | Courage Competition (F) | | Courage | LC70 | | Mugen | LMP1 |
| 14 | Lammers / Yoong / Johansson | Racing for Holland (NL) | | Dome | S101 | HB | Judd | LMP1 |
| 16 | Comas / Collard / Bouchut | Pescarolo Sport (F) | Henri Pescarolo | Pescarolo | C60 | Hybrid | Judd | LMP1 |
| 17 | Montagny / Hélary / Loeb | Pescarolo Sport (F) | Henri Pescarolo | Pescarolo | C60 | Hybrid | Judd | LMP1 |
| 19 | Berridge / Evans / Owen | Chamberlain - Synergy Motorsport (GB) | | Lola | B06/10 | | AER | LMP1 |
| 20 | Rostan / MacAllister / Pullan | Pierre Bruneau (F) | Pierre Bruneau | Pilbeam | MP93 | | Judd | LMP2 |
| 22 | Short / Barbosa / Moseley | Rollcentre Racing (GB) | | Radical | SR9 | | Judd | LMP2 |
| 24 | Terada / Timpany / Binnie | Binnie Motorsports (USA) | William Binnie | Lola | B05/40 | -42 | Zytek | LMP2 |
| 25 | Newton / Erdos / Wallace | RML (GB) | Ray Mallock | MG | EX264 | | AER | LMP2 |
| 27 | Macaluso / Lally / James | Miracle Motorsports (USA) | | Courage | C65 | | AER | LMP2 |
| 30 | Roussel / Hauchard / Briche | Gerard Welter (F) | | WR | LMP2 | | Peugeot | LMP2 |
| 32 | Barazi / Vergers / Cunningham | Barazi Epsilon (F) | | Courage | C65 | | AER | LMP2 |
| 33 | Field / Halliday / Dayton | Intersport Racing (USA) | Jon Field | Lola | B05/40 | | AER | LMP2 |
| 35 | Hahn / Morris / Leroch | G-Force Racing (B) | | Courage | C65 | | Judd | LMP2 |
| 36 | Gosselin / Ojjea / Ragues | Paul Belmondo Racing (F) | Paul Belmondo | Courage | C65 | | Ford | LMP2 |
| 37 | André / Clairay / Bouvet | Paul Belmondo Racing (F) | Paul Belmondo | Courage | C65 | | Ford | LMP2 |
| 39 | Amaral / de Castro / Burgueño | Chamberlain - Synergy Motorsport (GB) | Hugh Chamberlain | Lola | B05/40 | | AER | LMP2 |
| 50 | Gardel / Bornhauser / Blanchemain | Larbre Competition (F) | Jack Leconte | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 53 | Apicella / Hinoi / Yamanishi | JLOC Isao Noritake (J) | Isao Noritake | Lamborghini | Murciélago | R-GT | Lamborghini | GT1 |
| 61 | Sugden / Vann / Smith | Russian Age Racing (RUS) | | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 62 | Garcia / Brabham / Piquet, Jr. | Russian Age Racing (RUS) | Robert Schirle | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 63 | Fellows / O'Connell / Papis | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 64 | Gavin / Beretta / Magnussen | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 66 | Mowlem / Borcheller / Fittipaldi | ACEMCO Motorsports (USA) | | Saleen | S7-R | | Ford | GT1 |
| 67 | Pergl / Kox / Vasiliev | Convers MenX Team (RUS) | | Ferrari | 550 Maranello | GTS | Ferrari | GT1 |
| 69 | Gollin / Babini / Pescatori | BMS Scuderia Italia (I) | | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 72 | Policand / Goueslard / Alphand | Luc Alphand Aventures (F) | | Chevrolet | Corvette C5 | -R | Chevrolet | GT1 |
| 73 | Lambert / Lefort / Iannetta | Ice Pol Racing Team (B) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 76 | Narac / Dumas / Riccitelli | IMSA Performance Matmut (F) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 77 | Maxwell / Jeannette / Milner | Multimatic Motorsport - Team Panoz (CDN) | | Panoz | Esperante | GTLM | Ford | GT2 |
| 80 | Neiman / Long / Van Overbeek | Flying Lizard Motorsports (USA) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 81 | Tomlinson / Dean / Kimber-Smith | Team LNT (GB) | | Panoz | Esperante | GTLM | Ford | GT2 |
| 83 | Nielsen / Farnbacher / Ehret | Seikel Motorsport (D) | Peter Seikel | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 85 | Bleekemolen / Hezemans / Kane | Spyker Squadron B.V. (NL) | | Spyker | C8 Spyder GT2R | | Audi | GT2 |
| 86 | Crevels / Dumbreck / Coronel | Spyker Squadron B.V. (NL) | | Spyker | C8 Spyder GT2R | | Audi | GT2 |
| 87 | Kirkaldy / Mullen / Niarchos | Scuderia Ecosse (GB) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 89 | Pompidou / Thyrring / Ried | Sebah Automotive Ltd. (GB) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 90 | Bergmeister / Jönsson / Krohn | White Lightning Racing (USA) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |
| 91 | Yamagishi / Konôpka / de Fournoux | T2M Motorsport (J) | Ietoshi Kaneko | Porsche | 996 GT3-RS | | Porsche | GT2 |
| 93 | Collin / Nishizawa | Team Taisan Advan (J) | Yasutsune Chiba | Porsche | 996 GT3-RS | | Porsche | GT2 |
| 98 | Bourdais / Cloet / Sharpe | Noel del Bello (F) | | Porsche | 996 GT3-RSR | | Porsche | GT2 |