| # | Pilotos | Carro | Categoria | Equipe |
| 00 | Craig Baird (AUS)
Paul Morris (AUS)
Marcus Ambrose (AUS)
John Teulan (AUS) | Porsche GT3 Cup | GT | Aussie Assault |
| 01 | Scott Pret (EUA)
Luis Diaz (MEX)
Ryan Briscoe (AUS) | Lexus Riley | DP | Chip Ganassi with Felix Sabates |
| 2 | Milka Duno (VEN)
Dario Franchitti (ESC)
Dan Wheldon (ING)
Marino Franchitti (ESC) | Pontiac Crawford | DP | Howard - Boss Motorsports |
| 02 | Stefan Johansson (SUE)
Jamie McMurray (EUA)
Cort Wagner (EUA)
| Lexus Riley | DP | Chip Ganassi with Felix Sabates |
| 3 | Darius Grala (POL)
Mark Patterson (EUA)
Bohdan Kroczek (EUA)
Quentin Wahl (EUA)
Shane Lewis(EUA) | Lexus Fabcar | DP | Southard Motorsports |
| 03 | Scott Dixon (NZL)
Darren Manning (ING)
Casey Mears (EUA) | Lexus Riley | DP | Chip Ganassi with Felix Sabates |
| 4 | Butch Leitzinger (EUA)
Elliott Forbes-Robinson (EUA)
Jimmie Johnson (EUA) | Pontiac Crawford | DP | Howard - Boss Motorsports |
| 04 | Gene Sigal (EUA)
Troy Hanson (EUA)
Nikolas Konstant (EUA)
Miroslav Konopka (EUA) | Porsche GT3 Cup | GT | Sigalsport |
| 5 | Rob Dyson (EUA)
Chris Dyson (EUA)
James Gue (EUA)
Harrison Brix (EUA) | Ford Crawford | DP | Essex Racing |
| 6 | Paul Mears Jr (EUA)
Mike Borkowski (EUA)
Larry Connor (EUA)
Duncan Dayton (EUA) | Pontiac Riley | DP | Michael Shank Racing |
| O6 | Steve Bernheim (EUA)
Dwain Dement (EUA)
Anders Hainer (EUA)
Kevin Roush (EUA) | Porsche GT3 Cup | GT | Bernheim Porsche Racing |
| 8 | Burt Frisselle (EUA)
Brian Frisselle (EUA)
Thomas Erdos (BRA)
Mike Newton (ING) | BMW Doran | DP | Rx.com/ Synergy Racing |
| 08 | Steve Goldin (EUA)
Keith Goldin (EUA)
Scott Finlay (EUA)
Martin Shuster (EUA) | Mazda RX-8 | GT | Goldin Brothers Racing |
| 9 | Rick Skelton (EUA)
Joe Foster (EUA)
David Donner (EUA)
Blake Rosser (EUA) | Infiniti Doran | DP | Hyper Sport |
| 09 | Doug Goad (EUA)
Stephan Gregoire (FRA)
Bob Ward (EUA)
Roberto Moreno (BRA) | Pontiac Crawford | DP | Spirit of Daytona Racing |
| 10 | Wayne Taylor (EUA)
Max Angelelli (ITA)
Emmanuel Collard (FRA) | Pontiac Riley | DP | SunTrust Racing |
| 11 | Matt Plumb (EUA)
Peter Boss (EUA)
Jim Michaelian (EUA)
David Gooding (ING) | Ferrari 360 Challenge | GT | JMB Racing USA |
| 14 | Leh Keen (EUA)
Cory Friedman (EUA)
Steve Johnson (EUA)
Al Bacon | Porsche GT3 Cup | GT | Autometrics Motorsports |
| 16 | Brad Coleman (EUA)
Colin Braun (EUA)
Adrian Carrio (EUA)
Ross Bentley (CAN) | Porsche GT3 Cup | GT | TRG |
| 18 | Johnny Miller (EUA)
Chris Bingham (EUA)
Roger Scotton (EUA)
Steve Ivankovich (EUA)
Vic Rice (EUA) | Pontiac Chase | DP | Chase Competition Eng/ CB Motorsports |
| 19 | Michael McDowell (EUA)
Memo Gidley (EUA)
Michael Valiante (CAN)
Jonathan Bomarito (EUA) | BMW Riley | DP | Ten Motorsports |
| 20 | Andy Wallace (ING)
Jan Lammers (HOL)
Tony Stewart (EUA) | Pontiac Crawford | DP | Howard - Boss Motorsports |
| 21 | Chris Gleason (EUA)
Ian James (EUA)
Bill Auberlen (EUA)
Joey Hand (EUA) | BMW M3 | GT | Prototype Technology Group |
| 22 | Justin Marks (EUA)
RJ Valentine (EUA)
Tom Milner (EUA)
Kelly Collins (EUA) | BMW M3 | GT | Prototype Technology Group |
| 23 | Charles Espenlaub (EUA)
Kris Szekeres (EUA)
Todd Hanson (EUA)
Frank Del Vecchio (EUA) | Pontiac GTO | GT | Horizon Motorsports LLC |
| 29 | Tim Vargo (EUA)
Josh Vargo (EUA)
Jake Vargo (EUA)
Brady Refenning (EUA) | Porsche Fabcar | DP | Brumos Racing |
| 36 | Michael Levitas (EUA)
Randy Pobst (EUA)
John Littlechild (EUA)
Spencer Pumpelly (CAN)
Francois Dumoulin (CAN) | Porsche GT3 Cup | GT | TPC Racing |
| 37 | Manuel Matos (PUR)
Mike Fitzgerald (EUA)
Emil Assentato (EUA)
Nick Longhi (EUA) | Porsche GT3 Cup | GT | TPC Racing |
| 39 | Jim Matthews (EUA)
Marc Goosens (BEL)
Guy Smith (ING)
Scott Sharp (EUA) | Pontiac Riley | DP | Orbit Racing |
| 41 | Victor Gonzalez Jr (PUR)
James Jakes (EUA)
Joe Nonnamaker (EUA)
Wayne Nonnamaker (EUA)
Will Nonnamaker (EUA) | Porsche GT3 Cup | GT | Planet Earth Motorsports |
| 42 | Ron Zitza (EUA)
Wayne Nonnamaker (EUA) | Porsche GT3 Cup | GT | Planet Earth Motorsports |
| 43 | Wes Allen (EUA)
Brad Blum (EUA)
Eric Lux (EUA)
Manuel Soltero (PUR)
Ron Zitza (EUA) | Porsche GT3 Cup | GT | Planet Earth Motorsports |
| 44 | Terry Labonte (EUA)
Bobby Labonte (EUA)
Bryan Herta (EUA)
Jan Magnussen (DIN) | Pontiac Doran | DP | Doran Racing |
| 46 | Michael Baughman (EUA)
| Corvette | GT | Michael Baughman Racing |
| 48 | Hans Hauser (SUI)
Robert Dubler (SUI)
Toni Seiler (SUI)
Anthony Puleo (EUA) | Corvette | GT | Xtreme Racing Group |
| 49 | Scott Maxwell (CAN)
Kurt Busch (EUA)
Matt Kenseth (EUA)
Greg Biffle (CAN) | Ford Multimatic | DP | Multimatic Motorsports |
| 50 | Tom Nastasi (EUA)
Jeff Bucknum (EUA)
Henry Zogaib (EUA)
Travis Duder (EUA)
Doug Peterson (EUA) | Ford Multimatic | DP | Blackforest Motorsports |
| 51 | Dieter Quester (AUT)
Karl Wendlinger (AUT)
Johnny Mowlem (ING)
Vincent Vosse (BEL) | Porsche GT3 Cup | GT | Red Bull Ebimotors |
| 52 | Luca Drudi (ITA)
Gabrio Rosa (ITA)
Luis Monzon (ESP)
Maria DeVillota (ESP) | Ferrari 360 Challenge | GT | Mastercar |
| 53 | Roberto Ragazzi (ITA)
Giuseppe Chiminelli (ITA)
Costantino Bertuzzi (ITA)
Jesus Diaz (ESP) | Ferrari 360 Challenge | GT | Mastercar |
| 54 | Terry Borcheller (EUA)
Paul Tracy (CAN)
Christian Fittipaldi (BRA)
Forest Barber (EUA)
Ralf Kelleners (ALE) | Pontiac Doran | DP | Bell Motorsports |
| 55 | Zach Arnold (EUA)
Kurt Thiel (SUI)
John Stevenson (EUA)
Ken MacAlpine (CAN)
Scott Turner (EUA) | Corvette | GT | ASC Motorsports |
| 58 | David Donohue (EUA)
Darren Law (EUA)
Lucas Luhr (ALE)
Sascha Maassen (ALE) | Porsche Fabcar | DP | Brumos Racing |
| 59 | Hurley Haywood (EUA)
JC France (EUA)
Mike Rockenfeller (ALE)
Timo Bernhard (ALE)
Romain Dumas (FRA) | Porsche Fabcar | DP | Brumos Racing |
| 61 | Dave Lacey (CAN)
Robert Nearn (ING)
David Shep (CAN)
Greg Wilkins (CAN)
Mark Wilkins (CAN) | Porsche GT3 Cup | GT | TRG East |
| 62 | Akira Hirakawa (JAP)
Hiroshi Wada (JAP)
Takashi Inoue (JAP)
Akira Fujita (JAP)
Kiichi Takahashi (JAP) | Porsche GT3 Cup | GT | Auito Gallery/ TRG |
| 63 | Dave Master (EUA)
Marc Sluszny (BEL)
Derek Clark (EUA)
Pat Flanagan (EUA) | Porsche GT3 Cup | GT | Auito Gallery/ TRG |
| 64 | Miguel Amaral (POR)
Pedro Couceiro (POR)
Jay Policastro (EUA)
Joe Policastro (EUA)
Cyrille Sauvage (FRA) | Porsche GT3 Cup | GT | Auito Gallery/ TRG |
| 65 | Kevin Buckler (EUA)
Marc Bunting (EUA)
Andy Lally (EUA)
Carlos de Quesada (EUA)
Hugh Plumb (EUA) | Porsche GT3 Cup | GT | Auito Gallery/ TRG |
| 66 | Max Papis (ITA)
Jorg Bergmeister (ALE)
Oliver Gavin (FRA) | Pontiac Riley | DP | Krohn Racing/ TRG |
| 67 | Tracy Krohn (EUA)
Nic Jonsson (EUA)
Buddy Rice (EUA)
Boris Said (EUA) | Pontiac Riley | DP | Krohn Racing/ TRG |
| 71 | Wolf Henzler (ALE)
Dominik Farnbacher (ALE)
Shawn Price (EUA)
Pierre Ehret (EUA) | Porsche GT3 Cup | GT | Farnbacher Racing USA |
| 73 | Jack Baldwin (EUA)
Jim Tafel (EUA)
Craig Stanton (EUA)
Robin Liddell (ING) | Porsche GT3 Cup | GT | Baldwin-Tafel Racing |
| 74 | George Robinson (EUA)
Wally Dallenbach (EUA)
Paul Dallenbach (EUA)
Johnny Unser (EUA) | Lexus Riley | DP | Robinson Racing |
| 75 | Johannes van Overbeek (EUA)
Lonnie Pechnik (EUA)
Seth Neiman (EUA)
Jon Fogarty (EUA)
Patrick Long (EUA) | Porsche GT3 Cup | GT | Flying Lizard Motorsports |
| 77 | Fabrizio Gollin (ITA)
Matteo Bobbi (ITA)
Didier Theys (BEL) | Lexus Doran | DP | Doran Racing |
| 78 | Bruce Phillips (EUA)
Paul Fairchild (EUA)
Paul Bonham (EUA)
Ray Williams (EUA)
Paul Orwicz (EUA) | Porsche GT3 Cup | GT | Farnbacher Racing USA |
| 79 | Paul Newman (EUA)
Michael Brockman (EUA)
Sebastien Bourdais (FRA)
Cristiano da Matta (BRA) | Ford Crawford | DP | Newman Racing/ Silverstone Racing |
| 80 | Don Kitch Jr (EUA)
Don Gagne (EUA)
Chris Pallis (EUA)
Don Pickering (EUA) | Porsche GT3 Cup | GT | Team Seattle/ Synergy Racing |
| 81 | Mae Van Wijk (EUA)
David Murry (EUA)
David Gaylord (EUA)
Rod Emory (EUA) | Porsche GT3 Cup | GT | Team Seattle/ Synergy Racing |
| 85 | Grant Phipps (EUA)
Armando Trentini (EUA)
Eddie Nahir (EUA)
Don Mayer (EUA)
Mike Hardage (EUA) | Porsche GT3 Cup | GT | Condor Motorsports |
| 86 | Steve Marshall (EUA)
Peyton Sellers (EUA) | BMW Picchio | DP | Synergy Racing |
