| 007 | Cocker / Turner / Drayson | Drayson - Barwell (GB) | | Aston Martin | V8 Vantage | GT2 | Aston Martin | GT2 |
| 07 | Minassian / Sarrazin / Klien | Peugeot Sport Total (F) | | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 1 | Pirro / McNish / Capello | Audi Sport North America (USA) | | Audi | R10 TDI | | Audi | LMP1 |
| 2 | Werner / Luhr | Audi Sport North America (USA) | | Audi | R10 TDI | | Audi | LMP1 |
| 3 | O'Connell / Magnussen / Fellows | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 4 | Beretta / Gavin / Papis | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 5 | Briscoe / Castroneves | Penske Motorsports, Inc. (USA) | Roger Penske | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 6 | Collard / Maassen / Long | Penske Racing (USA) | Roger Penske | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 7 | Bernhard / Dumas | Penske Racing (USA) | Roger Penske | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 8 | Devlin / Bonilla | BK Motorsports | | Lola | B08/80 | -86 | Mazda | LMP2 |
| 9 | Sharp / Brabham / Franchitti | Patron Highcroft Racing (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 9T | Sharp / *Brabham / *Franchitti | Patron Highcroft Racing (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 11 | Feinberg / Hall | Primetime Race Group | | Dodge | Viper | Competition Coupe | Dodge | GT2 |
| 12 | McMurry / Burgess / *Willman | Autocon Motorsports (USA) | | Lola | B06/10 | | AER | LMP1 |
| 15 | Fernandez / Diaz / Jourdain | Lowe's Fernandez Racing | | Acura | ARX-01 | b | Acura | LMP2 |
| 16 | Dyson / Smith | Dyson Racing Team (USA) | Rob Dyson | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 18 | Pastorelli / Basseng / Pastorelli | VICI Racing | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 20 | Leitzinger / Franchitti / Lally | Dyson Racing Team (USA) | Rob Dyson | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 21 | Milner / Hand | Panoz Team PTG (USA) | Tom Milner | Panoz | Esperante | GTLM | Ford | GT2 |
| 26 | Kanaan / Montagny / Andretti | Andretti Green Racing (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 28 | Drissi / Gigliotti / *Goossens | LG Motorsports | | Chevrolet | Corvette C6 | | Chevrolet | GT2 |
| 30 | Lewis / Hines / Forgeois | Intersport Racing | | Lola | B07/10 | -17 | Judd | LMP1 |
| 37 | Field / Berry / Field | Intersport Racing (USA) | | Lola | B06/10 | | AER | LMP1 |
| 40 | Murry / Robertson / Robertson | Robertson Racing (USA) | | Ford | GT | -R Mk.7 | Ford | GT2 |
| 44 | Law / Pechnik / Neiman | Flying Lizard Motorsports 44 (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 45 | Bergmeister / Henzler / Lieb | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 46 | Pilet / Van Overbeek | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 48 | Mowlem / Johansson / *Jeannette | Corsa Motorsports | | Zytek | 07S | /1 | Zytek | LMP1 |
| 50 | Watts / Pla | Team LNT (GB) | | Ginetta-Zytek | 07S | | Zytek | LMP1 |
| 54 | Lazzaro / Pilgrim / Pappas | Black Swan Racing | | Ford | GT | -R Mk.7 | Ford | GT2 |
| 61 | Jönsson / Krohn / van de Poele | Risi Competizione (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 62 | Melo / Salo | Risi Competizione (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 66 | de Ferran / Dixon / Pagenaud | de Ferran Motorsports (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 71 | Farnbacher / Müller | Tafel Racing (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 73 | Figge / Tafel | Tafel Racing (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 87 | Werner / Miller / Hardt | Farnbacher Loles Racing | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 88 | Simpson / Primat / Campbell-Walter | Creation Autosportif (GB) | Michael Jankowski | Creation | CA07 | | AIM | LMP1 |
| 99 | Kaffer / Aucott / Daoudi | JMB Racing | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 888 | Halliday / Hall / Stirling | Creation Autosportif (GB) | Michael Jankowski | Creation | CA07 | | AIM | LMP1 |