| # | Piloto (EST/PAÍS) | Pacote | Classe | Equipe |
| 1 | Scott Pruett (EUA)
Memo Rojas (MEX) | Lexus / Riley | DP | Chip Ganassi with Felix Sabates |
| 2 | Ryan Dalziel (EUA)
David Empringham (CAN)
Henri Zogaib (EUA) | BMW / Riley | DP | SAMAX |
| 3 | Bill Lester (EUA)
Shane Lewis (EUA) | Lexus / Riley | DP | Southard Motorsports |
| 6 | Ian James (EUA)
John Pew (EUA) | Ford / Riley | DP | Michael Shank Racing |
| 7 | Matt Plumb (EUA)
Gene Sigal (EUA) | BMW / Riley | DP | Rum Bum Racing |
| 9 | Terry Borcheller (EUA)
Marc-Antoine Camirand (CAN)
Guy Cosmo (EUA) | Porsche / Coyote | DP | Spirit of Daytona Racing |
| 10 | Max Angelelli (ITA)
Michael Valiante (CAN) | Pontiac / Riley | DP | SunTrust Racing |
| 16 | Fabio Babini (ITA)
Matteo Bobbi (ITA)
Antonio Garcia (ESP) | Pontiac / Coyote | DP | Cheever Racing |
| 23 | Bill Auberlen (EUA)
Joey Hand (EUA) | Porsche / Crawford | DP | Alex Job Racing |
| 47 | Richard Antinucci (EUA)
Burt Frisselle (EUA)
Gabriele Gardel (SUI) | Ford / Dallara | DP | Doran Racing |
| 58 | David Donohue (EUA)
Darren Law (EUA) | Porsche / Riley | DP | Brumos Racing |
| 59 | João Barbosa (POR)
JC France (EUA)
Hurley Haywood (EUA) | Porsche / Riley | DP | Brumos Racing |
| 60 | Oswaldo Negri Jr (BRA)
Mark Patterson (EUA) | Ford / Riley | DP | Michael Shank Racing |
| 61 | Brian Frisselle (EUA)
Mark Wilkins (CAN) | Ford / Riley | DP | AIM Autosport |
| 75 | Tracy Krohn (EUA)
Eric Van De Poele (BEL) | Pontiac / Lola | DP | Krohn Racing |
| 76 | Nic Jonsson (SUE)
Ricardo Zonta (BRA) | Pontiac / Lola | DP | Krohn Racing |
| 77 | Memo Gidley (EUA)
Brad Jaeger (EUA) | Ford / Dallara | DP | Doran Racing |
| 91 | Marc Goossens (BEL)
Jim Matthews (EUA)
Marcel Tiemann (ALE) | Pontiac / Riley | DP | Bob Stallings/ Riley-Matthews |
| 99 | Jon Fogarty (EUA)
Alex Gurney (EUA) | Pontiac / Riley | DP | Bob Stallings/ Riley-Matthews |
| 6 | Marc Bunting (EUA)
Andy Pilgrim (EUA)
Leighton Reese (EUA) | Pontiac GXP.R | GT | Banner Racing |
| 7 | Kelly Collins (EUA)
Paul Edwards (EUA) | Pontiac GXP.R | GT | Banner Racing |
| 14 | Ian Baas (EUA)
Cory Friedman (EUA)
Mac McGehee (EUA) | Porsche GT3 Cup | GT | Autometrics Motorsports |
| 21 | Diego Alessi (ITA)
Tom Long (EUA)
Tom Nastasi (BEL) | Pontiac GTO.R | GT | Matt Connolly Motorsports |
| 22 | Marc Basseng (ALE)
Jean-Francois Dumoulin (CAN)
Carlos de Quesada (EUA) | Porsche GT3 Cup | GT | Alegra Motorsports |
| 26 | Jerome Jacalone (EUA)
Joe Jacalone (EUA) | Porsche GT3 Cup | GT | Gotham Competition |
| 27 | Kevin O'Connell (EUA)
Kevin Roush (EUA) | Porsche GT3 Cup | GT | O'Connell Racing |
| 29 | Scooter Gabel (EUA)
Roberto Garcia (EUA) | Porsche GT3 Cup | GT | Alegra Motorsports |
| 30 | Jonathan Bomarito (EUA)
Jameson Riley (EUA)
Craig Stone (EUA) | Mazda RX-8 | GT | Racers Edge Motorsports |
| 32 | Mike Forest (CAN)
Thomas Merrill (EUA) | Pontiac GXP.R | GT | PR1 Motorsports |
| 40 | Patrick Dempsey (EUA)
Charles Espenlaub (EUA)
Joe Foster (EUA) | Mazda RX-8 | GT | Hyper Sport |
| 42 | Will Nonnamaker (EUA)
Joe Sahlen (EUA) | Corvette | GT | Team Sahlen |
| 43 | Joe Nonnamaker (EUA)
Wayne Nonnamaker (EUA) | Corvette | GT | Team Sahlen |
| 57 | Andrew Davis (EUA)
Robin Liddell (ESC) | Pontiac GXP.R | GT | Stevenson Motorsports |
| 64 | Jim Lowe (EUA)
Jim Pace (EUA)
Tim Sugden (ING) | Porsche GT3 Cup | GT | TRG |
| 65 | Josemanuel Gutierrez (MEX)
Hima Maher (CAN)
Craig Stanton (EUA) | Porsche GT3 Cup | GT | TRG/Riegel Autosport |
| 66 | Ted Ballou (EUA)
Bryce Miller (EUA)
Richard Westbrook (ING) | Porsche GT3 Cup | GT | TRG |
| 67 | Tim George Jr (EUA)
Andy Lally (EUA)
Spencer Pumpelly (EUA) | Porsche GT3 Cup | GT | TRG |
| 68 | Randy Pobst (EUA)
Bryan Sellers (EUA)
RJ Valentine (EUA) | Porsche GT3 Cup | GT | TRG |
| 69 | Emil Assentato (EUA)
Nick Longhi (EUA)
Jeff Segal (EUA) | Mazda RX-8 | GT | SpeedSource |
| 70 | Nick Ham (EUA)
David Haskell (EUA)
Sylvain Tremblay (EUA) | Mazda RX-8 | GT | SpeedSource |
| 72 | Lawson Aschenbach (EUA)
Tim Lewis Jr (EUA) | Pontiac GXP.R | GT | Autohaus Motorsports |
| 74 | Andy Brumbaugh (EUA)
Jim Michaelian (EUA)
Bransen Patch (EUA) | Porsche GT3 Cup | GT | GTS Racing with
Mitchum Motorsports |
| 86 | Pierre Kaffer (SUI)
Leh Keen (EUA)
Eric Lux (EUA) | Porsche GT3 Cup | GT | Farnbacher Loles Racing |
| 87 | Dominik Farnbacher (ALE)
Wolf Henzler (ALE)
Dirk Werner (ALE) | Porsche GT3 Cup | GT | Farnbacher Loles Racing |
| 88 | Steve Johnson (EUA)
Dave Lacey (CAN)
John Potter (EUA) | Porsche GT3 Cup | GT | Farnbacher Loles Racing |
