| No. | Class | Team | Drivers | Car | Engine | Tyres | Fuel | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | P | Extreme Speed Motorsports | Scott Sharp Ryan Dalziel | HPD ARX-03b | Honda | C | IMSA E10 |
| 2 | 2 | P | Extreme Speed Motorsports | Ed Brown Johannes van Overbeek | HPD ARX-03b | Honda | C | IMSA E10 |
| 3 | 5 | P | Action Express Racing | João Barbosa Christian Fittipaldi | Corvette DP | Chevrolet | C | IMSA E10 |
| 4 | 10 | P | Wayne Taylor Racing | Ricky Taylor Jordan Taylor | Corvette DP | Chevrolet | C | IMSA E10 |
| 5 | 31 | P | Marsh Racing | Eric Curran Boris Said | Corvette DP | Chevrolet | C | IMSA E10 |
| 6 | 42 | P | OAK Racing | Gustavo Yacaman Olivier Pla | Morgan | Nissan | C | IMSA E10 |
| 7 | 60 | P | Michael Shank Racing | John Pew Ozz Negri Jr | Riley DP | Ford EcoBoost | C | IMSA E10 |
| 8 | 70 | P | SpeedSource | Sylvain Tremblay Tom Long | Mazda Prototype | Mazda Diesel | C | IMSA Diesel |
| 9 | 90 | P | Spirit of Daytona | Richard Westbrook Michael Valiante | Corvette DP | Chevrolet | C | IMSA E10 |
| 10 | 01 | P | Chip Ganassi Racing | Scott Pruett Memo Rojas | Riley DP | Ford EcoBoost | C | IMSA E10 |
| 11 | 07 | P | SpeedSource | Tristan Nunez Joel Miller | Mazda Prototype | Mazda Diesel | C | IMSA Diesel |
| 12 | 18 | GTD | Mühlner Motorsports America | Tomy Drissi Sebastian Asch | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 13 | 19 | GTD | Mühlner Motorsports America | TBA TBA | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 14 | 22 | GTD | Alex Job Racing | Cooper MacNeill Leh Keen | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 15 | 23 | GTD | Team Seattle/Alex Job Racing | Ian James Mario Farnbacher | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 16 | 27 | GTD | Dempsey Racing | Andrew Davis Brett Sandburg | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 17 | 30 | GTD | NGT Motorsport | Henrique Cisneros Kuba Giermaziak | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 18 | 33 | GTD | Riley Motorsports | Jeroen Bleekemolen Ben Keating | SRT Viper GT3-R | Viper V10 | C | IMSA E10 |
| 19 | 35 | GTD | Flying Lizard Motorsports | Seth Neiman Dion von Moltke | Audi R8 LMS | Audi | C | IMSA E10 |
| 20 | 44 | GTD | Magnus Racing | John Potter Andy Lally | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 21 | 45 | GTD | Flying Lizard Motorsports | Nelson Canache Jr Spencer Pumpelly | Audi R8 LMS | Audi | C | IMSA E10 |
| 22 | 46 | GTD | Fall-Line Motorsports | Charles Espenlaub Charlie Putman | Audi R8 LMS | Audi | C | IMSA E10 |
| 23 | 48 | GTD | Paul Miller Racing | Christopher Haase Bryce Miller | Audi R8 LMS | Audi | C | IMSA E10 |
| 24 | 58 | GTD | Snow Racing | Madison Snow Jan Heylen | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 25 | 63 | GTD | Scuderia Corsa | Alessandro Balzan Jeff Westphal | Ferrari 458 Italia | Ferrari | C | IMSA E10 |
| 26 | 64 | GTD | Scuderia Corsa | TBA TBA | Ferrari 458 Italia | Ferrari | C | IMSA E10 |
| 27 | 71 | GTD | Park Place Motorsports | Jim Norman Craig Stanton | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 28 | 73 | GTD | Park Place Motorsports | Patrick Lindsey Kevin Estre | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 29 | 81 | GTD | GB Autosport | Ben Barker Damien Faulkner | Porsche 911 GT America | Porsche | C | IMSA E10 |
| 30 | 94 | GTD | Turner Motorsport | Dane Cameron Markus Palttala | BMW Z4 | BMW | C | IMSA E10 |
| 31 | 007 | GTD | TRG-AMR | Al Carter James Davison | Aston Martin V12 Vantage | Aston Martin | C | IMSA E10 |
| 32 | 555 | GTD | AIM Autosport | Bill Sweedler Townsend Bell | Ferrari 458 Italia | Ferrari | C | IMSA E10 |
