| # | Piloto (EST/PAÍS) | Pacote/ Equipe | Classe |
| 2 | Scott Sharp (EUA) Ryan Dalziel (EUA) | Nissan DPi Tequila Patron ESM | P |
| 3 | Jan Magnussen (DIN) Antonio Garcia (ESP) | Chevrolet Corvette C7.R Corvette Racing | GTLM |
| 4 | Oliver Gavin (FRA) Tommy Milner (EUA) | Chevrolet Corvette C7.R Corvette Racing | GTLM |
| 5 | João Barbosa (POR) Christian Fittipaldi (BRA) | Cadillac DPi Mustang Sampling Racing | P |
| 10 | Ricky Taylor (EUA) Jordan Taylor (EUA) | Cadillac DPi Konica Minolta | P |
| 14 | Scott Pruett (EUA) Sage Karam | Lexus RCF GT3 3GT Racing | GTD |
| 15 | Robert Alon (EUA) Jack Hawksworth (ING) | Lexus RCF GT3 3GT Racing | GTD |
| 16 | Jeroen Mul (HOL) Corey Lewis (EUA) | Lamborghini Huracan GT3 Change Racing | GTD |
| 20 | Don Yount (EUA) Ryan Lewis (ING) | ORECA FLM09 BAR1 Motorsports | PC |
| 22 | Luiz Felipe Zuri "Pipo" Derani (BRA) Johannes van Overbeek (EUA) | Nissan DPi Tequila Patron ESM | P |
| 24 | John Edwards (EUA) Martin Tomczyk (ALE) | BMW M6 GTLM BMW Team RLL | GTLM |
| 25 | Bill Auberlen (EUA) Alexander Sims (ING) | BMW M6 GTLM BMW Team RLL | GTLM |
| 26 | James Vance-Lousada (CAN) Garett Grist (CAN) | ORECA FLM09 BAR1 Motorsports | PC |
| 28 | Daniel Morad (CAN) Michael de Quesada (EUA) | Porsche 911 GT3 R Alegra Motorsports | GTD |
| 31 | Dane Cameron (EUA) Eric Curran (EUA) | Cadillac DPi Whelen Engineering Racing | P |
| 33 | Ben Keating (EUA) Jeroen Bleekemolen (HOL) | Mercedes-AMG GT3 Riley Motorsports - Team AMG | GTD |
| 38 | James French (EUA) Patricio O´Ward (MEX) | ORECA FLM09 Performance Tech Motorsports | PC |
| 48 | Bryan Sellers (EUA) Madison Snow (EUA) | Lamborghini Huracan GT3 Paul Miller Racing | GTD |
| 50 | Cooper MacNeil (EUA) Gunnar Jeannette (EUA) | Mercedes-AMG GT3 Riley Motorsports - W.Tech R. | GTD |
| 52 | Nicholas Boulle (EUA) David Ostella (CAN) | Ligier LMP2 PR1/Mathiasen Motorsports | P |
| 54 | Jonathan Bennett (EUA) Colin Braun (EUA) | Porsche 911 GT3 R CORE autosport | GTD |
| 55 | Tristan Nunez (EUA) Jonathan Bomarito (EUA) | Mazda DPi Mazda Motorsports | P |
| 57 | Lawson Aschenbach (EUA) Andrew Davis (EUA) | Audi R8 LMS GT3 Stevenson Motorsports | GTD |
| 63 | Christina Nielsen (DIN) Alessandro Balzan (ITA) | Ferrari 488 GT3 Scuderia Corsa | GTD |
| 66 | Dirk Müller (ALE) Joey Hand (EUA) | Ford GT Ford Chip Ganassi Racing | GTLM |
| 67 | Ryan Briscoe (AUS) Richard Westbrook (ING) | Ford GT Ford Chip Ganassi Racing | GTLM |
| 70 | Tom Long (EUA) Joel Miller (EUA) | Mazda DPi Mazda Motorsports | P |
| 73 | Patrick Lindsey (EUA) Jörg Bergmeister (ALE) | Porsche 911 GT3 R Park Place Motorsports | GTD |
| 75 | Tristan Vautier (FRA) Kenny Habul (AUS) | Mercedes-AMG GT3 SunEnergy1 Racing | GTD |
| 85 | Mikhail “Misha” Goikhberg (RUS) Stephen Simpson (AFS) | ORECA LMP2 JDC-Miller Motorsports | P |
| 86 | Jeff Segal (EUA) Oswaldo Negri Jr. (BRA) | Acura NSX GT3 Michael Shank Racing | GTD |
| 90 | Marc Goossens (BEL) Renger van der Zande (HOL) | Multimatic/Riley LMP2 VisitFlorida Racing | P |
| 93 | Andy Lally (EUA) Katherine Legge (ING) | Acura NSX GT3 Michael Shank Racing | GTD |
| 96 | Bret Curtis (EUA) Jens Klingmann (ALE) | BMW M6 GT3 Turner Motorsport | GTD |
| 911 | Patrick Pilet (FRA) Dirk Werner (ALE) | Porsche 911 RSR Porsche GT Team | GTLM |
| 912 | Laurens Vanthoor (BEL) Gianmaria Bruni (ITA) | Porsche 911 RSR Porsche GT Team | GTLM |