| # | Pilotos (EST/PAÍS) | Pacote/Equipe | Classe |
| 9 | David Brabham (AUS) Scott Sharp (EUA) | Acura ARX-02a/Acura Patron Highcroft Racing | LMP1 |
| 11 | Joel Feinberg (EUA) Chris Hall (EUA) | Dodge Viper Competition Primetime Race Group | LMGT2 |
| 15 | Adrian Fernandez (MEX) Luis Diaz (MEX) | Acura ARX-01B/Acura Lowe s Fernandez Racing | LMP2 |
| 16 | Chris Dyson (EUA) Guy Smith (ING) | Lola B09 86/Mazda Dyson Racing Team | LMP2 |
| 20 | Butch Leitzinger (EUA) Marino Franchitti (ESC) | Lola B08 86/Mazda Dyson Racing Team | LMP2 |
| 21 | Dominik Farnbacher (ALE) Ian James (EUA) | Panoz Esperante/Ford Panoz Team PTG | LMGT2 |
| 22 | Tom Sutherland (EUA) Ryan Phinney (EUA) | Panoz Esperante/Ford Panoz Team PTG | LMGT2 |
| 28 | Lou Gigliotti (EUA) Eric Curan (EUA) | Chevrolet Riley Corvette LG Motorsports | LMGT2 |
| 37 | Jon Field (EUA) Clint Field (EUA) Chapman Ducote (EUA) | Lola B06/10/AER Intersport Racing | LMP1 |
| 40 | Andrea Robertson (EUA) David Murry (EUA) | Doran Designs FordGT MK 7/Roush-Yates Engines Robertson Racing, LLC | LMGT2 |
| 44 | Darren Law (EUA) Seth Neiman (EUA) | Porsche 911 GT3 RSR Flying Lizard Motorsports | LMGT2 |
| 45 | Jörg Bergmeister (ALE) Patrick Long (EUA) | Porsche 911 GT3 RSR Flying Lizard Motorsports | LMGT2 |
| 62 | Jaime Melo Jr. (BRA) Pierre Kaffer (ALE) | Ferrari 430 GT Risi Competizione | LMGT2 |
| 66 | Gil de Ferran (BRA) Simon Pagenaud (FRA) | Acura ARX-02a/Acura de Ferran Motorsports | LMP1 |
| 87 | Wolf Henzler (ALE) Dirk Werner (ALE) | Porsche 911 GT3 RSR Farnbacher Loles Racing | LMGT2 |
| 90 | Joey Hand (EUA) Bill Auberlen (EUA) | BMW E92 M3 BMW Rahal Letterman R. Team | LMGT2 |
| 92 | Dirk Müller (ALE) Tommy Milner (EUA) | BMW E92 M3 BMW Rahal Letterman R. Team | LMGT2 |