| 007 | Drayson / Cocker / Sugden | Drayson-Barwell (GB) | | Aston Martin | DBRS9 | | Aston Martin | GT2 |
| 008 | Garcia / Borcheller / Ducote | Bell Motorsports | | Aston Martin | DBR9 | | Aston Martin | GT1 |
| 07 | Lamy / Minassian / Sarrazin | Equipe Peugeot Total (F) | | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 1 | Capello / Kristensen / McNish | Audi Sport North America (D) | | Audi | R10 TDI | | Audi | LMP1 |
| 1T | Capello / Kristensen / McNish | Audi Sport North America (D) | | Audi | R10 TDI | | Audi | LMP1 |
| 2 | Werner / Rockenfeller / Luhr | Audi Sport North America (D) | | Audi | R10 TDI | | Audi | LMP1 |
| 3 | Magnussen / O'Connell / Fellows | Chevrolet Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 4 | Gavin / Beretta / Papis | Chevrolet Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R Z06 | Chevrolet | GT1 |
| 5 | Stanton / Swartzbaugh / Alzen | VICI Racing | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 6 | Maassen / *Briscoe / *Long | Penske Racing (USA) | Roger Penske | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 7 | Bernhard / Dumas / Collard | Penske Racing (USA) | Roger Penske | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 8 | Devlin / Bonilla / Matos | B-K Motorsports (USA) | | Lola | B07/40 | -46 | Mazda | LMP2 |
| 8T | Devlin / Bonilla / Matos | B-K Motorsports (USA) | | Lola | B07/40 | -46 | Mazda | LMP2 |
| 9 | Sharp / Brabham / Johansson | Patron Highcroft Racing (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 10 | Collins / Toivonen / Wright | ECO Racing | | Radical | SR10 | | AER | LMP1 |
| 11 | Feinberg / Hall | Primetime Race Group | | Dodge | Viper | Competition Coupe | Dodge | GT2 |
| 12 | McMurry / Burgess / Willman | Autocon Motorsports | | Creation | CA06/H | | Judd | LMP1 |
| 15 | Fernandez / Diaz | 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 | Jeannette / Kelleners | Corsa Motorsports | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 20 | Leitzinger / Franchitti / Lally | Dyson Racing Team (USA) | Rob Dyson | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 21 | Milner / Hand / Sutherland | Panoz Team PTG (USA) | Tom Milner | Panoz | Esperante | GTLM | Ford | GT2 |
| 26 | Andretti / Fittipaldi / Herta | Andretti Green Racing (USA) | | Acura | ARX-01 | b | Acura | LMP2 |
| 27 | Lammers / Lienhard / Theys | Horag Racing (CH) | | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 28 | Goossens / Peterson / Gigliotti | LG Motorsports | | Chevrolet | Corvette C6 | | Chevrolet | GT2 |
| 32 | Vergers / Ravier / *Barazi | Barazi Epsilon (F) | | Zytek | 07S | /2 | Zytek | LMP2 |
| 37 | Field / Field / Berry | Intersport Racing (USA) | | Lola | B06/10 | | AER | LMP1 |
| 40 | Murry / Robertson / Robertson | Robertson Racing (USA) | | Ford | GT | -R Mk.7 | Ford | GT2 |
| 44 | Davison / Law / Neiman | Flying Lizard Motorsports 44 (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 45 | Henzler / Bergmeister / Lieb | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 46 | Lietz / Van Overbeek / Pilet | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 48 | Jeannette / Mowlem / Kelleners | Corsa Motorsports | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 61 | Jönsson / Krohn / van de Poele | Risi Competizione (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 62 | Melo / Bruni / Salo | Risi Competizione (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 71 | Bell / Müller / Farnbacher | Tafel Racing (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 73 | Simonsen / Ehret / Tafel | Tafel Racing (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 77 | Konôpka / Casadei / Hornak | Autoracing Club Bratislava (SK) | | Porsche | 996 GT3-RS | | Porsche | GT2 |
| 87 | Werner / Basseng / Miller | Farnbacher Loles | | Porsche | 997 GT3 RSR | | Porsche | GT2 |