| | No | Class | Team | Drivers | Car |
| 1 | 3 | LMP1 | Scuderia Lavaggi | Giovanni Lavaggi Wolfgang Kaufmann | Lavaggi LS01 Ford |
| 2 | 7 | LMP1 | Team Peugeot Total | Marc Gene Nicolas Minassian | Peugeot 908 Hdi-FAP |
| 3 | 8 | LMP1 | Team Peugeot Total | Pedro Lamy Stephane Sarrazin | Peugeot 908 Hdi-FAP |
| 4 | 9 | LMP1 | Creation Autosportif | Jamie Campbell-Walter Shinji Nakano Felipe Ortiz | Creation CA07 Judd |
| 5 | 10 | LMP1 | Arena International | Stefan Johansson Hyanari Shimoda | Zytek 07S |
| 6 | 12 | LMP1 | Courage Competition | Alexander Frei Jonathan Cochet | Courage LC70-AER |
| 7 | 13 | LMP1 | Courage Competition | Jean-Marc Gounon Vitaly Petrov | Courage LC70-AER |
| 8 | 15 | LMP1 | Charouz Racing Systems | Jan Charouz Stefan Mucke | Lola B07/17-Judd |
| 9 | 16 | LMP1 | Pescarolo Sport | Emmanuel Collard Jean-Christophe Boullion | Pescarolo-Judd |
| 10 | 17 | LMP1 | Pescarolo Sport | Harold Primat Christophe Tinseau | Pescarolo-Judd |
| 11 | 18 | LMP1 | Rollcentre Racing With Deutsche Bank x-markets | Joao Barbosa Stuart Hall Martin Short | Pescarolo-Judd |
| 12 | 19 | LMP1 | Chamberlain-Synergy Motorsport | Gareth Evans Bob Berridge Peter Owen | Lola B06/10-AER |
| 13 | 20 | LMP2 | Pierre Bruneau | Marc Rostan Pierre Bruneau Simon Pullan | Pilbeam MP93 Judd |
| 14 | 21 | LMP2 | Team Bruichladdich Radical | Tim Greaves Stuart Moseley | Radical SR9-AER |
| 15 | 25 | LMP2 | RML | Thomas Erdos Mike Newton | MG Lola EX 264-AER |
| 16 | 26 | LMP2 | Ranieri Randaccio | Ranieri Randaccio Gianni Collini | Lucchini NME |
| 17 | 27 | LMP2 | Horag Racing | Fredy Lienhard Didier Theys Eric van De Poele | Lola B05/40-Judd |
| 18 | 31 | LMP2 | Binnie Motorsports | Bill Binnie Allen Timpany Chris Buncombe | Lola B05/40-Zytek |
| 19 | 32 | LMP2 | Barazi Epsilon | Juan Barazi Michael Vergers Karim Ojjeh | Zytek 07S-Zytek |
| 20 | 35 | LMP2 | Saulnier Racing | Jacques Nicolet Alain Filhol Bruce Jouanny | Courage LC75-AER |
| 21 | 40 | LMP2 | Quifel ASM Team | Miguel Amaral Miguel Angel de Castro Angel Burgueno | Lola B05/40-AER |
| 22 | 44 | LMP2 | Kruse Motorsport | Jean De Pourtales Norbert Siedler
| Pescarolo-Judd |
| 23 | 45 | LMP2 | Embassy Racing | Warren Hughes Darren Manning | Radical SR9-Judd |
| 24 | 50 | GT1 | Aston Martin Racing Larbre | Christophe Bouchut Gabriel Gardel Fabrizio Gollin | Aston Martin DBR9 |
| 25 | 51 | GT1 | Aston Martin Racing Larbre | Gregor Fisken Steve Zacchia Gregory Franchi | Aston Martin DBR9 |
| 26 | 55 | GT1 | Team Oreca | Stephane Ortelli Soheil Ayari | Saleen S7-R |
| 27 | 59 | GT1 | Team Modena | Antonio Garcia Christian Fittipaldi | Aston Martin DBR9 |
| 28 | 60 | GT1 | JMT Racing Team (WITHDRAWN) | Wolfgang Kaufmann Fabrice Walfish Rob Collard | Porsche 996 GT2-R |
| 29 | 61 | GT1 | Racing Box | Pier Giuseppe Perazzini Marco Cioci Kurt Mollekens | Saleen S7-R |
| 30 | 65 | GT1 | Jetallaiance Racing | Karl Wendlinger Lukas Lichtner-Hoyer Thomas Gruber | Aston Martin DBR9 |
| 31 | 72 | GT1 | Luc Alphand Aventures | Luc Alphand Patrice Goueslard Jerome Policand | Corvette C6.R |
| 32 | 73 | GT1 | Luc Alphand Aventures | Jean-Luc Blanchemain Sebastien Dumez Vincent Vosse | Corvette C5-R |
| 33 | 76 | GT2 | IMSA Performance MATMUT | Raymond Narac Richard Lietz | Porsche 997 GT3 RSR |
| 34 | 77 | GT2 | Team Felbermayr-Proton | Marc Lieb Xavier Pompidou | Porsche 997 GT3 RSR |
| 35 | 78 | GT2 | Scuderia Villorba Corse | Alex Caffi Denny Zardo | Ferrari F430 GT |
| 36 | 79 | GT2 | Team Felbermayr-Proton | Horst Felbermayr Gerold Ried Philip Collin | Porsche 996 GT3 RSR |
| 37 | 80 | GT2 | ProSpeed Competition | Rudi Penders Franz Lamot Bert Couwberghs | Porsche 997 GT3 RSR |
| 38 | 81 | GT2 | Team LNT | Tom Kimber-Smith Danny Watts | Panoz Esperante GTLM |
| 39 | 82 | GT2 | Team LNT | Lawrence Tomlinson Richard Dean | Panoz Esperante GTLM |
| 40 | 83 | GT2 | GPC Sport | Gabrio Rosa Luca Drudi Johnny Mowlem | Ferrari F430 GT |
| 41 | 84 | GT2 | Chad Peninsula Panoz | John Hartshorne Sean McInerney | Panoz Esperante GTLM |
| 42 | 85 | GT2 | Spyker Squadron | Jarek Janis Peter Kox | Spyker C8 Spyder GT2R |
| 43 | 88 | GT2 | Team Felbermayr Proton | Horst Felbermayr Jr Christian Ried Marc Basseng | Porsche 997 GT3 RSR |
| 44 | 89 | GT2 | Team Markland Racing | Thorkild Thyrring Kurt Thiim | Corvette C6 ZO6 |
| 45 | 90 | GT2 | Farnbacher Racing | Dirk Werner Pierre Ehret Lars Erik Nielsen | Porsche 997 GT3 RSR |
| 46 | 94 | GT2 | Speedy Racing Team | Andrea Belicchi Andrea Chiesa Jonny Kane | Spyker C8 Spyder GT2R |
| 47 | 95 | GT2 | James Watt Automotive | Paul Daniels Dave Cox Joel Camathias | Porsche 997 GT3 RSR |
| 48 | 96 | GT2 | Virgo Motorsport | Rob Bell Allan Simonsen | Ferrari F430 GT |
| 49 | 97 | GT2 | GPC Sport | Alessandro Bonetti Fabrizio de Simone Bruno Hernandez | Ferrari F430 GT |
| 50 | 98 | GT2 | Ice Pol Racing Team | Yves Lambert Christian Lefort Stephane Lemeret | Ferrari F430 GT |
| 51 | 99 | GT2 | JMB Racing | Maurice Basso Bo McCormick Peter Kutemann | Ferrari F430 GT |