| No. | Class | Team | Drivers | Car | |
|---|---|---|---|---|---|
| 1 | 01 | DP | Chip Ganassi Racing with Felix Sabates | Scott Pruett Memo Rojas | Riley BMW |
| 2 | 02 | DP | Chip Ganassi Racing with Felix Sabates | Joey Hand Tony Kanaan | Riley BMW |
| 3 | 2 | DP | Starworks Motorsport | Ryan Dalziel Alex Popow | Riley BMW |
| 4 | 3 | DP | 8Star Motorsports | Enzo Potolicchio Stéphane Sarrazin Michael Valiante | Corvette DP |
| 5 | 4 | DP | 8Star Motorsports | Sebastien Bourdais Emilio DiGuida | Corvette DP |
| 6 | 5 | DP | Action Express Racing | João Barbosa Christian Fittipaldi | Corvette DP |
| 7 | 6 | DP | Michael Shank Racing | AL Almendinger Gustavo Yacaman | Riley Ford |
| 8 | 8 | DP | Starworks Motorsport | Brendon Hartley Scott Mayer | Riley BMW |
| 9 | 9 | DP | Action Express Racing | Brian Frisselle Burt Frisselle | Corvette DP |
| 10 | 10 | DP | Wayne Taylor Racing | Max Angelelli Jordan Taylor | Corvette DP |
| 11 | 42 | DP | Team Sahlen | Dane Cameron Wayne Nonnamaker | Riley BMW |
| 12 | 43 | DP | Team Sahlen | Joe Nonnamaker Will Nonnamaker | Riley BMW |
| 13 | 60 | DP | Michael Shank Racing | Ozz Negri Jr John Pew | Riley Ford |
| 14 | 77 | DP | Doran Racing | Rubens Barrichello Doug Peterson | Dallara Ford |
| 15 | 90 | DP | Spirit of Daytona Racing | Ricky Taylor Richard Westbrook | Corvette DP |
| 16 | 99 | DP | GAINSCO/Bob Stallings Racing | Jon Fogarty Alex Gurney | Corvette DP |
| 17 | 18 | GT | Muehlner Motorsports America | Eduardo Costabal Eliseo Salaza Damian Faulkner | Porsche GT3 |
| 18 | 24 | GT | Audi Sport Customer Racing | Filipe Albuquerque Edoardo Montara | Audi R8 Grand-Am |
| 19 | 31 | GT | Marsh Racing | Eric Curran Boris Said | Corvette |
| 20 | 44 | GT | Magnus Racing | Andy Lally John Potter | Porsche GT3 |
| 21 | 46 | GT | Fall-Line Motorsports | Al Carter Charles Espenlaub Brett Sandburg | Audi R8 Grand-Am |
| 22 | 56 | GT | AF-Waltrip | Rui Aguas Robert Kauffman | Ferrari 458 |
| 23 | 57 | GT | Stevenson Motorsports | John Edwards Robin Liddell | Camaro GT.R |
| 24 | 61 | GT | R.Ferri/AIM Motorsport Racing with Ferrari | Max Papis Jeff Segal | Ferrari 458 |
| 25 | 62 | GT | Snow Racing/Wright Motorsports | Andrew Davis Madison Snow | Porsche GT3 |
| 26 | 63 | GT | Scuderia Corsa | Alessandro Balzan Leh Keen | Ferrari 458 |
| 27 | 64 | GT | Scuderia Corsa | Rod Randall Ken Wilden | Ferrari 458/Crawford |
| 28 | 69 | GT | AIM Autosport Team FXDD with Ferrari | Emil Assentato Anthony Lazzaro | Ferrari 458 |
| 29 | 71 | GT | Park Place Motorsports | Jason Hart John McCutchen | Porsche GT3 |
| 30 | 73 | GT | Park Place Motorsports | Patrick Lindsey Pat Long | Porsche GT3 |
| 31 | 93 | GT | Turner Motorsport | Milton Grant Carey Grant Kevin Grant | BMW M3 |
| 32 | 94 | GT | Turner Motorsport | Bill Auberlen Paul Dalla Lana Billy Johnson | BMW M3 |
| 33 | 00 | GX | Visit Florida Racing/Speedsource | Joel Miller Tristan Nunez | Mazda6 GX (Prep 2) |
| 34 | 38 | GX | BGB Motorsports | Jim Norman Spencer Pumpelly | Porsche Cayman (Prep 1) |
| 35 | 70 | GX | Mazdaspeed/SpeedSource | Tom Long Sylvain Tremblay | Mazda6 GX (Prep 2) |
