| # | Piloto (EST/PAÍS) | Pacote | Classe | Equipe |
| 1 | Rinaldo Capello (ITA) Emanuele Pirro (ITA) | Audi R10 TDI | LMP1 | Audi Sport North America |
| 2 | Lucas Luhr (ALE) Marco Werner (ALE) | Audi R10 TDI | LMP1 | Audi Sport North America |
| 12 | Chris McMurry (EUA) Bryan Willman (EUA) | Creation CA06H-Judd | LMP1 | Autocon Motorsports |
| 30 | Ryan Lewis (ING) John Faulkner (EUA) | Lola B06/10-AER | LMP1 | Intersport Racing |
| 37 | Clint Field (EUA) Jon Field (EUA) Richard Berry (EUA) | Lola B06/10-AER | LMP1 | Intersport Racing |
| 6 | Patrick Long (EUA) Sascha Maassen (ALE) | Porsche RS Spyder | LMP2 | Penske Racing |
| 7 | Timo Bernhard (ALE) Romain Dumas (FRA) | Porsche RS Spyder | LMP2 | Penske Racing |
| 8 | Ben Devlin (ING) Gerardo Bonilla (EUA) | Lola B07/46-Mazda MZR-R | LMP2 | B-k Motorsports |
| 9 | David Brabham (AUS) Scott Sharp (EUA) | Acura ARX-01b | LMP2 | Patrón Highcroft Racing |
| 15 | Adrian Fernandez (MEX) Luis Diaz (MEX) | Acura ARX-01b | LMP2 | Lowe's Fernandez Racing |
| 16 | Chris Dyson (EUA) Guy Smith (ING) | Porsche RS Spyder | LMP2 | Dyson Racing |
| 20 | Marino Franchitti (ESC) Butch Leitzinger (EUA) | Porsche RS Spyder | LMP2 | Dyson Racing |
| 26** | Franck Montagny (FRA) Marco Andretti (EUA) | Acura ARX-01b | LMP2 | Andretti Green Racing |
| 66 | Gil de Ferran (BRA) Simon Pagenaud (FRA) | Acura ARX-01b | LMP2 | De Ferran Motorsports |
| 3 | Johnny O'Connell (EUA) Jan Magnussen (DIN) | Corvette C6.R | LMGT1 | Corvette Racing |
| 4 | Olivier Beretta (MON) Oliver Gavin (FRA) | Corvette C6.R | LMGT1 | Corvette Racing |
| 7 | Jonny Cocker (ING) Paul Drayson (ING) | Aston Martin Vantage GT2 | LMGT2 | Drayson-barwell |
| 11 | Joel Feinberg (EUA) Chris Hall (EUA) | Dodge Viper Competition Coupe | LMGT2 | Primetime Race Group |
| 18 | Nicky Pastorelli (HOL) Francisco Pastorelli (HOL) | Porsche 911 GT3 RSR | LMGT2 | Vici Racing |
| 21 | Tommy Milner (EUA) Tom Sutherland (EUA) | Panoz Esperante GTLM | LMGT2 | Panoz Team Ptg |
| 40 | David Robertson (EUA) Andrea Robertson (EUA) David Murry (EUA) | Doran Ford GT-R | LMGT2 | Robertson Racing |
| 44 | Seth Neiman (EUA) Darren Law (EUA) | Porsche 911 GT3 RSR | LMGT2 | Flying Lizard Motorsports |
| 45 | Jörg Bergmeister (ALE) Wolf Henzler (ALE) | Porsche 911 GT3 RSR | LMGT2 | Flying Lizard Motorsports |
| 46 | Johannes van Overbeek (EUA) Patrick Pilet (FRA) | Porsche 911 GT3 RSR | LMGT2 | Flying Lizard Motorsports |
| 54 | Tim Pappas (IRN) Anthony Lazzaro (EUA) | Doran Ford GT-R | LMGT2 | Black Swan Racing |
| 61 | Harrison Brix (EUA) Patrick Friesacher (AUT) | Ferrari F430 GT | LMGT2 | Risi Competizione |
| 62 | Mika Salo (FIN) Jaime Melo Jr. (BRA) | Ferrari F430 GT | LMGT2 | Risi Competizione |
| 71 | Dominik Farnbacher (ALE) Dirk Muller (ALE) | Ferrari F430 GT | LMGT2 | Tafel Racing |
| 73 | Alex Figge (EUA) Jim Tafel (EUA) | Ferrari F430 GT | LMGT2 | Tafel Racing |
| 87 | Richard Westbrook (ING) Dirk Werner (ALE) | Porsche 911 GT3 RSR | LMGT2 | Farnbacher Loles Racing |