| 0 | Meyrick / Legge | Delta Wing Racing (USA) | | DeltaWing | DWC13 | | Elan | P |
| 007 | Lamy / Turner / Dalla Lana | Aston Martin Racing (GB) | David Richards | Aston Martin | V8 Vantage | GTE | Aston Martin | GTLM |
| 03 | Yacaman / Figueiredo | 8Star Motorsports | | Chevrolet | Corvette DP | | Chevrolet | P |
| 05 | Bennett / Braun | Core Autosport | | Oreca | FLM 09 | | Chevrolet | PC |
| 09 | Ende / Junqueira / Cumming / Vautier / Menezes | RSR Racing | | Oreca | FLM 09 | | Chevrolet | PC |
| 2 | Brown / Dalziel | Extreme Speed Motorsports (USA) | Scott Sharp | HPD | ARX-03 | b | HPD | P |
| 5 | Barbosa / Bourdais / Fittipaldi | Action Express Racing | Robert Johnson | Chevrolet | Corvette DP | | Chevrolet | P |
| 7 | van der Zande / Schultis / Gewirtz / Hedlund | Starworks Motorsport | | Oreca | FLM 09 | | Chevrolet | PC |
| 8 | Popow / Mayer / Gewirtz / Hedlund | Starworks Motorsport | Peter Baron | Riley | Mk XXVI | | BMW | P |
| 9 | | Action Express Racing | Robert Johnson | Chevrolet | Corvette DP | | Chevrolet | P |
| 15 | Kerr / De Crem | Project Libra | | Radical | SR9 | | Ford | P |
| 18 | Pobst / Marcelli / Siedler | Muehlner Motorsports America | | Porsche | 991 GT America | | Porsche | GTD |
| 19 | Pobst / Marcelli / Siedler | Muehlner Motorsports America | | Porsche | 991 GT America | | Porsche | GTD |
| 22 | MacNeil / Keen | Alex Job Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 23 | James / Farnbacher | Team Seattle/Alex Job | | Porsche | 991 GT America | | Porsche | GTD |
| 24 | Haase / Jarvis | Audi Sport Customer Racing | Brad Kettler | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 25 | Potolicchio / Rayhall | 8Star Motorsports | | Oreca | FLM 09 | | Chevrolet | PC |
| 29 | Konrad / Willsey | Konrad Motorsport | | Porsche | 991 GT America | | Porsche | GTD |
| 30 | Giermaziak / Nielsen / Müller / Trebing | NGT Motorsport | | Porsche | 991 GT America | | Porsche | GTD |
| 31 | Curran / Said | Marsh Racing | | Chevrolet | Corvette DP | | Chevrolet | P |
| 33 | Keating / Bleekemolen / Goossens | Riley Motorsports (USA) | Bill Riley | SRT | Viper | GT3-R | Viper | GTD |
| 35 | Neiman / Jarvis | Flying Lizard Motorsports | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 38 | Matos / Shears / Boon / Brownson / Fant / Decote | Performance Tech Motorsports | | Oreca | FLM 09 | | Chevrolet | PC |
| 44 | Potter / Lally | Magnus Racing | | Porsche | 991 GT America | | Porsche | GTD |
| 45 | von Moltke / Pumpelly / Canache | Flying Lizard Motorsports | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 46 | Putman / Espenlaub / Carter / Sellers / Mies | Fall-Line Motorsports | Mark Boden | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 48 | Miller / Tréluyer | Paul Miller Racing | | Audi | R8 LMS | Grand-Am | Audi | GTD |
| 50 | Pace / Defoor | Highway to Help | Byron Defoor | Riley | Mk XXVI | | Dinan | P |
| 55 | Hand / Auberlen / Edwards | BMW Team RLL (USA) | | BMW | Z4 | GTE | BMW | GTLM |
| 56 | Priaulx / Müller | BMW Team RLL (USA) | | BMW | Z4 | GTE | BMW | GTLM |
| 58 | Snow / Heylen | Snow Racing/Wright Motorsports/JDX | | Porsche | 991 GT America | | Porsche | GTD |
| 60 | Negri / Pew | Michael Shank Racing | Michael Shank | Riley | Mk XXVI | | Ford | P |
| 62 | Bruni / Vilander / Fisichella / Beretta | Ferrari Corse Clienti (USA) | | Ferrari | 458 | Italia GT | Ferrari | GTLM |
| 63 | Vilander / Beretta / Balzan | Ferrari Corse Clienti | Giacomo Mattioli | Ferrari | 458 | Italia Grand-Am | Ferrari | GTD |
| 66 | Buckler / Block / Davison / Estre / Faulkner | TRG-AMR (USA) | Kevin Buckler | Aston Martin | V12 Vantage | | Aston Martin | GTD |
| 72 | Rotenberg / Zlobin / Mediani | Extreme Speed Motorsports | Scott Sharp | Ferrari | 458 | Italia Grand-Am | Ferrari | GTD |
| 73 | Lindsey / Hart / Vess | Horton Autosport | | Porsche | 991 GT America | | Porsche | GTD |
| 90 | Richard Westbrook | Spirit of Daytona | Troy Flis | Chevrolet | Corvette DP | | Chevrolet | P |
| 93 | Goossens / Wittmer | SRT Motorsports (USA) | Bill Riley | SRT | Viper | GTS-R | Viper | GTLM |
| 94 | Lamy / Cameron / Dalla Lana | Turner Motorsport | | BMW | Z4 | E89 GT3 | BMW | GTD |