| 007 | Fernandez / Primat / Mücke | Aston Martin Racing (GB) | | Lola | Aston Martin DBR1-2 | | Aston Martin | LMP1 |
| 01 | Sharp / Farnbacher / Van Overbeek | Extreme Speed Motorsports | Scott Sharp | Ferrari | F430 | GTC | Ferrari | GT2 |
| 02 | Cosmo / Barbosa / Brown | Extreme Speed Motorsports | Scott Sharp | Ferrari | F430 | GTC | Ferrari | GT2 |
| 07 | Wurz / Davidson / Gené | Team Peugeot Total (F) | | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 08 | Lamy / Bourdais / Minassian | Team Peugeot Total (F) | | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 08T | Lamy / Bourdais / Minassian | Team Peugeot Total (F) | | Peugeot | 908 | HDi FAP | Peugeot | LMP1 |
| 1 | Pagenaud / Brabham / Franchitti | Patrón Highcroft Racing (USA) | | HPD | ARX-01 | c | HPD | LMP2 |
| 3 | Magnussen / O'Connell / Garcia | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R ZR1 | Chevrolet | GT2 |
| 4 | Gavin / Collard / Beretta | Corvette Racing (USA) | | Chevrolet | Corvette C6 | .R ZR1 | Chevrolet | GT2 |
| 6 | Pickett / Graf / Maassen | Muscle Milk Team Cytosport (USA) | | Porsche | RS Spyder | Evo | Porsche | LMP2 |
| 8 | Cocker / Pirro / Drayson | Drayson Racing (GB) | | Lola | B09/60 | | Judd | LMP1 |
| 11 | Feinberg / Marcelli / Weickardt | Primetime Race Group | | Oreca | FLM 09 | | Chevrolet | LMPC |
| 12 | Willman / Burgess / Ehret | Autocon Motorsports (USA) | | Lola | B06/10 | | AER | LMP1 |
| 16 | Meyrick / Dyson / Smith | Dyson Racing Team (USA) | | Lola | B09/80 | -86 | Mazda | LMP2 |
| 17 | Henzler / Sellers / Pilet | Team Falken Tire | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 23 | Kapudija / Sweedler / Lueders | Alex Job Racing | Alex Job | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 32 | Sofronas / Pilgrim / Curtis | GMG Racing | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 36 | Wallace / Sutherland / Hildebrand | Genoa Racing | | Oreca | FLM 09 | | Chevrolet | LMPC |
| 37 | Field / Field | Intersport Racing (USA) | | Lola | B06/10 | | AER | LMP1 |
| 40 | Murry / Robertson / Robertson | Robertson Racing (USA) | | Ford | GT | -R Mk.7 | Ford | GT2 |
| 44 | Neiman / Lietz / Law | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 45 | Bergmeister / Lieb / Long | Flying Lizard Motorsports (USA) | | Porsche | 997 GT3 RSR | | Porsche | GT2 |
| 55 | Bouchut / Wilkins / Tucker | Level 5 Motorsports | | Oreca | FLM 09 | | Chevrolet | LMPC |
| 61 | Jönsson / Krohn / van de Poele | Risi Competizione (USA) | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 62 | Kaffer / Melo / Bruni | Risi Competizione | | Ferrari | F430 | GTC | Ferrari | GT2 |
| 63 | Ende / Lally / Richard | The Racers Group (USA) | Kevin Buckler | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 69 | Rodriguez / Friedman / Bieker | Werks II Racing | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 75 | Gentilozzi / *Goossens / *Dalziel | Jaguar RSR (USA) | | Jaguar | XKR | -S | Jaguar | GT2 |
| 80 | Gonzalez / Diaz / Kelly | Alex Job Racing | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 81 | Keen / Gonzalez / Leitzinger | Alex Job Racing | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 88 | Lewis / Vento / Aschenbach | Velox Motorsports | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 88T | Lewis / Vento / Aschenbach | Velox Motorsports | | Porsche | 997 GT3 Cup | | Porsche | GTC |
| 89 | Pagerey / Ducote / Wong | Intersport Racing | | Oreca | FLM 09 | | Chevrolet | LMPC |
| 90 | Hand / Müller / Priaulx | BMW Rahal Letterman Racing Team (USA) | | BMW | M3 | E92 GT | BMW | GT2 |
| 92 | Werner / Auberlen / Milner | BMW Rahal Letterman Racing Team (USA) | | BMW | M3 | E92 GT | BMW | GT2 |
| 95 | Hunter-Reay / Tucker / Gue | Level 5 Motorsports | | Oreca | FLM 09 | | Chevrolet | LMPC |
| 99 | Jeannette / Zugel / Julian | Green Earth Team Gunnar | | Oreca | FLM 09 | | Chevrolet | LMPC |