| 007 | Block / Carter / Davison | TRG-AMR (USA) | Kevin Buckler | Aston Martin | V12 Vantage | GT3 | Aston Martin | GTD |
| 01 | Pruett / Rojas / Dixon | Chip Ganassi Racing | | Riley | Mk XXVI | | Ford | P |
| 1 | Sharp / Dalziel | Extreme Speed Motorsports (USA) | Scott Sharp | HPD | ARX-03 | b | Honda | P |
| 2 | Brown / Van Overbeek | Extreme Speed Motorsports (USA) | Scott Sharp | HPD | ARX-03 | b | Honda | P |
| 3 | Magnussen / Garcia | Corvette Racing (USA) | | Chevrolet | Corvette C7 | .R | Chevrolet | GTLM |
| 4 | Gavin / Milner | Corvette Racing (USA) | | Chevrolet | Corvette C7 | .R | Chevrolet | GTLM |
| 5 | Barbosa / Fittipaldi / Bourdais | Action Express Racing | | Chevrolet | Corvette DP | | Chevrolet | P |
| 6 | Luhr / Graf | Muscle Milk Pickett Racing (USA) | | Oreca | 03 | | Nissan | P |
| 8 | van der Zande / Schultis | Starworks Motorsport | | Oreca | FLM 09 | | Chevrolet | PC |
| 10 | Angelelli / Taylor / Taylor | Wayne Taylor Racing | | Chevrolet | Corvette DP | | Chevrolet | P |
| 13 | Snow / Heylen / Plumb | Rum Bum Racing/Snow Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 17 | Henzler / Sellers / Holzer | Team Falken Tire | | Porsche | 991 RSR | I | Porsche | GTLM |
| 19 | Nico Verdonck | Muehlner Motorsports America | | Porsche | 991 GT America | | Porsche | GTD |
| 22 | MacNeil / Keen / Frommenwiler | Alex Job Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 23 | James / Riberas / Farnbacher | Team Seattle/Alex Job Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 25 | Potolicchio / Kimber-Smith | 8Star Motorsports | | Oreca | FLM 09 | | Chevrolet | PC |
| 27 | Foster / Davis | Dempsey Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 28 | Ineichen / Engelhart / Konrad | Dempsey Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 31 | Curran / Said / Papis | Marsh Racing | | Chevrolet | Corvette DP | | Chevrolet | P |
| 32 | Sofronas / Welch / Basseng | GMG Racing | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 33 | Keating / Bleekemolen / Bleekemolen / Goossens | Riley Motorsports (USA) | Bill Riley | SRT | Viper | GT3-R | Viper | GTD |
| 35 | | Flying Lizard Motorsports | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 42 | Yacaman / Pla / Tung | OAK Racing (F) | Jacques Nicolet | Morgan | LM P2 | | Nissan | P |
| 44 | Potter / Lally / Seefried | Magnus Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 45 | | Flying Lizard Motorsports | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 46 | Mies / Putman / Espenlaub | Fall-Line Motorsports | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 48 | Bell / Haase / Miller | Paul Miller Racing | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 51 | Gerber / Griffin | Spirit of Race | | Ferrari | 458 | Italia Grand-Am | Ferrari | GTD |
| 56 | Priaulx / Werner | BMW Team RLL (USA) | | BMW | Z4 | GTE | BMW | GTLM |
| 57 | Jönsson / Malucelli | Krohn Racing | | Ferrari | 458 | Italia GT | Ferrari | GTLM |
| 60 | Pew / Negri / Wilson | Michael Shank Racing w/ Curb/Agajanian | | Riley | Mk XXVI | | Ford | P |
| 70 | Tremblay / Long | SpeedSource (USA) | Sylvain Tremblay | Mazda | Prototype | | Mazda | P |
| 71 | Norman / Stanton / Siedler | Park Place Motorsports | | Porsche | 991 GT America | | Porsche | GTD |
| 73 | Lindsey / Estre / De Phillippi | Park Place Motorsports | | Porsche | 991 GT America | | Porsche | GTD |
| 78 | Viso / Mayer | Starworks Motorsports | | Riley | Mk XXVI | | Honda | P |
| 87 | Kearby / Hamilton / Smith | BAR1 Motorsports | | Oreca | FLM 09 | | Chevrolet | PC |
| 88 | Doug Bielefeld | BAR1 Motorsports | | Oreca | FLM 09 | | Chevrolet | PC |
| 90 | Westbrook / Valiante | Spirit of Daytona | | Chevrolet | Corvette DP | | Chevrolet | P |
| 93 | Goossens / Bomarito / Bleekemolen | SRT Motorsports (USA) | Bill Riley | SRT | Viper | GTS-R | Viper | GTLM |
| 94 | Palttala / Cameron / Dalla Lana | Turner Motorsport | | BMW | Z4 | E89 GT3 | BMW | GTD |
| 911 | Tandy / Lietz / Pilet | Porsche North America (USA) | Jon Bennett | Porsche | 991 RSR | I | Porsche | GTLM |
| 912 | Long / Christensen / Bergmeister | Porsche North America (USA) | Jon Bennett | Porsche | 991 RSR | I | Porsche | GTLM |