|  | 
|  | # | Kl. | Team | Kørere | Bil | 
|  | 
| 1 | 01 | DP | Chip Ganassi Racing | Scott Dixon Charlie Kimball
 Juan Pablo Montoya
 Scott Pruett
 Memo Rojas
 | Riley BMW | 
|  | 
| 2 | 02 | DP | Chip Ganassi Racing | Scott Dixon Dario Franchitti
 Joey Hand
 Jamie McMurray
 Scott Pruett
 | Riley BMW | 
|  | 
| 3 | 2 | DP | Starworks Motorsport | Sebastien Bourdais Ryan Dalziel
 Allan McNish
 Alex Popow
 | Riley Ford | 
|  | 
| 4 | 3 | DP | 8 Star Motorsports | Anthony Davidson Pedro Lamy
 Nic Minassian
 Enzo Potolicchio
 Stéphane Sarrazin
 | Corvette DP | 
|  | 
| 5 | 5 | DP | Action Express Racing | João Barbosa Christian Fittipaldi
 Brian Frisselle
 Felipe Nasr
 Nelson Piquet Jr
 | Corvette DP | 
|  | 
| 6 | 6 | DP | Michael Shank Racing | Chris Cumming Jorge Goncalvez
 Michael Valiante
 Gustavo Yacaman
 | Riley Ford | 
|  | 
| 7 | 8 | DP | Starworks Motorsport | Ivan Bellarosa Scott Mayer
 Gaetano Ardagna Perez
 Jan Charouz
 Brendon Hartley
 | Riley Ford | 
|  | 
| 8 | 9 | DP | Action Express Racing | João Barbosa Christian Fittipaldi
 Burt Frisselle
 Mike Rockenfeller
 | Corvette DP | 
|  | 
| 9 | 10 | DP | Wayne Taylor Racing | Max Angelelli Ryan Hunter-Reay
 Jordan Taylor
 | Corvette DP | 
|  | 
| 10 | 27 | DP | BTE Sport | Emmanuel Anassis Anthony Massari
 Doug Peterson
 | Riley Ford | 
|  | 
| 11 | 42 | DP | Team Sahlen | Dane Cameron Wayne Nonnamaker
 Simon Pagenaud
 | Riley BMW | 
|  | 
| 12 | 43 | DP | Team Sahlen | Joe Nonnamaker Will Nonnamaker
 Joe Sahlen
 | Riley BMW | 
|  | 
| 13 | 50 | DP | Highway to Help | Frank Beck Carlos de Quesada
 Byron Defoor
 Ian James
 Jim Pace
 | Riley BMW | 
|  | 
| 14 | 60 | DP | Michael Shank Racing | AJ Allmendinger Marcos Ambrose
 Ozz Negri Jr
 John Pew
 Justin Wilson
 | Riley Ford | 
|  | 
| 15 | 77 | DP | Doran Racing | Jon Bennett Colin Braun
 Jim Lowe
 Paul Tracy
 | Dallara Ford | 
|  | 
| 16 | 90 | DP | Spirit of Daytona Racing | Antonio Garcia Oliver Gavin
 Ricky Taylor
 Richard Westbrook
 | Corvette DP | 
|  | 
| 17 | 99 | DP | Bob Stallings Racing | Jon Fogarty Memo Gidley
 Alex Gurney
 Darren Law
 | Corvette DP | 
|  | 
| 18 | 03 | GT | Extreme Speed Motorsports | Ed Brown Mike Hedlund
 Scott Sharp
 Johannes van Overbeek
 | Ferrari 458 | 
|  | 
| 19 | 13 | GT | Audi Sport Customer Racing/ Rum Bum Racing
 | Frank Biela Christopher Haase
 Matt Plumb
 Markus Winkelhock
 | Audi R8 Grand-Am | 
|  | 
| 20 | 17 | GT | Burtin Racing with Goldcrest Motorsports
 | Jack Baldwin Claudio Burtin
 Mario Farnbacher
 Martin Ragginger
 Robert Renauer
 | Porsche GT3 | 
|  | 
| 21 | 18 | GT | Mühlner Motorsports America | Mark J. Thomas TBA
 TBA
 | Porsche GT3 | 
|  | 
| 22 | 19 | GT | Mühlner Motorsports America | Eliseo Salazar Eduardo Costabal
 TBA
 | Porsche GT3 | 
|  | 
| 23 | 20 | GT | Dener Motorsport | Nono Figueiredo Constantino Junior
 Clemente Lunardi
 Ricardo Mauricio
 Marcel Visconde
 | Porsche GT3 | 
|  | 
| 24 | 21 | GT | Dener Motorsport | Rubens Barrichelo Nono Figueiredo
 Felipe Giaffone
 Tony Kanaan
 Ricardo Mauricio
 | Porsche GT3 | 
|  | 
| 25 | 23 | GT | Alex Job Racing | Jeroen Bleekemolen Damien Faulkner
 Marco Holzer
 Cooper MacNeil
 | Porsche GT3 | 
|  | 
| 26 | 24 | GT | Audi Sport Customer Racing/ AJR
 | Filipe Albuquerque Oliver Jarvis
 Edoardo Mortara
 Dion von Moltke
 | Audi R8 Grand-Am | 
|  | 
| 27 | 30 | GT | MOMO/ NGT Motorsport
 | Henrique Cisneros Sean Edwards
 Kuba Giermaziak
 Patrick Pilet
 | Porsche GT3 | 
|  | 
| 28 | 31 | GT | Marsh Racing | Lawson Aschenbach Eric Curran
 Brandon Davis
 Boris Said
 | Corvette | 
|  | 
| 29 | 32 | GT | Konrad Motorsport/ Orbit
 | Michael Christensen  Christian Englehart
 Nick Tandy
 Lance Willsey
 | Porsche GT3 | 
|  | 
| 30 | 44 | GT | Magnus Racing | Nicolas Armindo Andy Lally
 Richard Lietz
 John Potter
 | Porsche GT3 | 
|  | 
| 31 | 45 | GT | Magnus Racing | Mark Boden Al Carter
 Charles Espenlaub
 Hugh Plumb
 Charles Putman
 | Porsche GT3 | 
|  | 
| 32 | 51 | GT | APR Motorsport | Matt Bell David Empringham
 John Farano
 Alex Figge
 Dave Lacey
 | Audi R8 Grand-Am | 
|  | 
| 33 | 52 | GT | Audi Sport Customer Racing/ APR Motorsport
 | Ian Baas Marc Basseng
 René Rast
 Frank Stippler
 | Audi R8 Grand-Am | 
|  | 
| 34 | 56 | GT | AF-Waltrip | Rui Aguas Clint Bowyer
 Robert Kauffman
 Michael Waltrip
 | Ferrari 458 | 
|  | 
| 35 | 57 | GT | Stevenson Motorsports | John Edwards Robin Liddell
 Jan Magnussen
  Tom Milner
 | Camaro GT.R | 
|  | 
| 36 | 59 | GT | Brumos Racing | Andrew Davis Leh Keen
 Marc Lieb
 Bryan Sellers
 | Porsche GT3 | 
|  | 
| 37 | 61 | GT | R.Ferri/ AIM Motorsport Racing
 | Giancarlo Fisichella Max Papis
 Jeff Segal
 Toni Vilander
 | Ferrari 458 | 
|  | 
| 38 | 62 | GT | Snow Racing/ Wright Motorsports
 | Klaus Bachler Sascha Maassen
 Marco Seefried
 Madison Snow
 Melanie Snow
 | Porsche GT3 | 
|  | 
| 39 | 63 | GT | Scuderia Corsa | Olivier Beretta Alessandro Balzan
 Marco Frezza
 Alessandro Pier Guidi
 | Ferrari 458 | 
|  | 
| 40 | 64 | GT | Scuderia Corsa | Chico Longo Rafa Matos
 Xandinho Negrao
 Daniel Serra
 | Ferrari 458 | 
|  | 
| 41 | 66 | GT | TRG | Jörg Bergmeister Dominik Farnbacher
 Ben Keating
 Kuno Wittmer
 | Porsche GT3 | 
|  | 
| 42 | 67 | GT | TRG | Manu Collard Romain Dumas
 Nic Jonsson
 Tracy Krohn
 | Porsche GT3 | 
|  | 
| 43 | 68 | GT | TRG | Brad Lewis Jim Michaelian
 Ronald van de Laar
 | Porsche GT3 | 
|  | 
| 44 | 69 | GT | AIM Autosport Team FXDD | Emil Assentato Guy Cosmo
 Anthony Lazzaro
 Nick Longhi
 | Ferrari 458 | 
|  | 
| 45 | 72 | GT | Park Place Motorsports | Chuck Cole Grant Phipps
 Mike Vess
 Alex Whitman
 | Porsche GT3 | 
|  | 
| 46 | 73 | GT | Park Place Motorsports | Daniel Graeff Jason Hart
 Patrick Lindsey
 Pat Long
 Spencer Pumpelly
 | Porsche GT3 | 
|  | 
| 47 | 78 | GT | Racers Edge motorsports | Rudy Camarillo Martin Fuentes
 Carlos Peralta
 Ricardo Perez De Lara
 | Mazda RX-8 | 
|  | 
| 48 | 80 | GT | TruSpeed Motorsports | Kelly Collins Phil Fogg
 Tom Haacker
 Jim Walsh
 | Porsche GT3 | 
|  | 
| 49 | 87 | GT | Racers Edge Motorsports | Tony Ave Jan Heylen
 Doug Peterson
 | Dodge Viper | 
|  | 
| 50 | 93 | GT | Turner Motorsport | Bill Auberlen Michael Marsal
 Maxime Martin
 Andy Priaulx
 Gunter Schaldach
 | BMW M3 | 
|  | 
| 51 | 94 | GT | Turner Motorsport | Bill Auberlen Paul Dalla Lana
 Billy Johnson
 Maxime Martin
 Boris Said
 | BMW M3 | 
|  | 
| 52 | 00 | GX | Visit Florida Racing/ SpeedSource/
 Yellow Dragon Motorsports
 | Joel Miller Tristan Nunez
 Spencer Pigot
 Yojiro Terada
 Tristan Vautier
 | Mazda6 GX | 
|  | 
| 53 | 16 | GX | Napleton Racing | Nelson Canache David Donohue
 Shane Lewis
 Jim Norman
 | Porsche Cayman | 
|  | 
| 54 | 22 | GX | Bullet Racing | James Clay Darryl O'Young
 Daniel Rogers
 Seth Thomas
 Karl Thomson
 | Porsche Cayman | 
|  | 
| 55 | 25 | GX | Freedom Autosport/ SpeedSource
 | Andrew Carbonell Tom Long
 Rhett O'Doski
 Derek Whitis
 | Mazda6 GX | 
|  | 
| 56 | 38 | GX | BGB Motorsports | Lee Davis Ryan Eversley
 Eric Foss
 Jeff Mosing
 | Porsche Cayman | 
|  | 
| 57 | 70 | GX | Mazdaspeed/ SpeedSource
 | Jonathan Bomarito Marino Franchitti
 James Hinchcliffe
 Sylvain Tremblay
 | Mazda6 GX | 
|  |