| Nr. | Team | Fahrzeug | Fahrer 1 | Fahrer 2 | Fahrer 3 |
| 2 | Team WRT | Audi R8 LMS | Stéphane Richelmi | Benoît Tréluyer | Nathanaël Berthon |
| 3 | Team WRT | Audi R8 LMS | Josh Caygill | Jon Venter | Clément Mateu |
| 4 | Black Falcon | Mercedes-AMG GT3 | Adam Christodoulou | Yelmer Buurman | Luca Stolz |
| 5 | Team WRT | Audi R8 LMS | Dries Vanthoor | Will Stevens | Marcel Fässler |
| 7 | Bentley M-Sport | Bentley Continental GT3 | Steven Kane | Guy Smith | Oliver Jarvis |
| 8 | Bentley M-Sport | Bentley Continental GT3 | Andy Souček | Maxime Soulet | Vincent Abril |
| 11 | Kessel Racing | Ferrari 488 GT3 | Michal Broniszewski | Giacomo Piccini | |
| 12 | Ombra Racing | Lamborghini Huracán GT3 | Andrea Piccini | Michele Beretta | Stefano Gattuso |
| 14 | Emil Frey Racing | Jaguar GT3 | Stéphane Ortelli | Norbert Siedler | Alex Fontana |
| 15 | Black Falcon | Mercedes-AMG GT3 | Brett Sandberg | Dore Chaponik | Scott Heckert |
| 16 | Black Falcon | Mercedes-AMG GT3 | Oliver Morley | Miguel Toril | Marvin Kirchhöfer |
| 17 | Team WRT | Audi R8 LMS | Stuart Leonard | Robin Frijns | Jake Dennis |
| 19 | Grasser Racing Team | Lamborghini Huracán GT3 | Ezequiel Perez Companc | Frédéric Vervisch | Renger van der Zande |
| 22 | RJN Motorsport | Nissan GT-R GT3 | Matt Simmons | Matthew Parry | Struan Moore |
| 23 | RJN Motorsport | Nissan GT-R GT3 | Lucas Ordóñez | Alex Buncombe | Katsumasa Chiyo |
| 24 | Reiter Young Stars | Lamborghini Reiter Gallardo R-EX | Caitlin Wood | Marko Helistekangas | Tomas Enge |
| 26 | Saintéloc | Audi R8 LMS | Romain Monti | Simon Gachet | Christopher Haase |
| 27 | Team Lazarus | Lamborghini Huracán GT3 | Nicolas Pohler | Fabrizio Crestani | Artur Janosz |
| 35 | Walkenhorst Motorsport | BMW M6 GT3 | Christian Krognes | Mikkel Jensen | Nico Menzel |
| 36 | Walkenhorst Motorsport | BMW M6 GT3 | Henry Walkenhorst | Matias Henkola | Ace Robey |
| 42 | Strakka Racing | McLaren 650S GT3 | Nick Leventis | David Fumanelli | Lewis Williamson |
| 43 | Strakka Racing | McLaren 650S GT3 | Sam Tordoff | Jonny Kane | Ben Barnicoat |
| 48 | HTP Motorsport | Mercedes-AMG GT3 | Kenneth Heyer | Indy Dontje | Patrick Assenheimer |
| 50 | AF Corse | Ferrari 488 GT3 | Pasin Lathouras | Michele Rugolo | Alessandro Pier Guidi |
| 51 | AF Corse | Ferrari 488 GT3 | Ishikawa Motoaki | Lorenzo Bontempelli | Olivier Beretta |
| 53 | Spirit of Race | Ferrari 488 GT3 | Nick Hommerson | Louis Machiels | Andrea Bertolini |
| 55 | Kaspersky Motorsport | Ferrari 488 GT3 | Giancarlo Fisichella | Marco Cioci | James Calado |
| 59 | Strakka Racing | McLaren 650S GT3 | Jazeman Jaafar | Andrew Watson | Steijn Schothorst |
| 63 | Grasser Racing Team | Lamborghini Huracán GT3 | Mirko Bortolotti | Christian Engelhart | Andrea Caldarelli |
| 66 | Attempto Racing | Lamborghini Huracán GT3 | Manel Cerqueda Diez | Isaac Tutumlu | Max van Splunteren |
| 72 | SMP Racing | Ferrari 488 GT3 | Victor Shaytar | Davide Rigon | Miguel Molina |
| 75 | ISR | Audi R8 LMS | Filip Salaquarda | Frank Stippler | Kevin Ceccon |
| 77 | Barwell Motorsport | Lamborghini Huracán GT3 | Hunter Abbott | Martin Kodric | Patrick Kujala |
| 78 | Barwell Motorsport | Lamborghini Huracán GT3 | Leo Matchitski | Richard Abra | Jeroen Bleekemolen |
| 82 | Grasser Racing Team | Lamborghini Huracán GT3 | Giorgio Roda | Tom Dillman | Paolo Ruberti |
| 84 | HTP Motorsport | Mercedes-AMG GT3 | Maximilian Buhk | Franck Perera | Jimmy Eriksson |
| 85 | HTP Motorsport | Mercedes-AMG GT3 | Dominik Baumann | Edward Sandström | Fabian Schiller |
| 87 | Akka ASP | Mercedes-AMG GT3 | Jules Gounon | Mauro Ricci | Jean-Luc Beaubelique |
| 88 | Akka ASP | Mercedes-AMG GT3 | Felix Serralles | Daniel Juncadella | Tristan Vautier |
| 89 | Akka ASP | Mercedes-AMG GT3 | Daniele Perfetti | Nico Bastian | Ludovic Badey |
| 90 | Akka ASP | Mercedes-AMG GT3 | Michael Meadows | Raffaele Marciello | Edoardo Mortara |
| 97 | TF Sport | Aston Martin Vantage GT3 | Ahmad Al Harthy | Jonny Adam | Salih Yoluc |
| 98 | Rowe Racing | BMW M6 GT3 | Markus Palttala | Bruno Spengler | Tom Blomqvist |
| 99 | Rowe Racing | BMW M6 GT3 | Philipp Eng | Maxime Martin | Alexander Sims |
| 114 | Emil Frey Racing | Jaguar GT3 | Jonathan Hirschi | Christian Klien | Marco Seefried |
| 333 | Rinaldi Racing | Ferrari 488 GT3 | Daniel Keilwitz | Rinat Salikhov | Alexander Mattschull |
| 488 | Rinaldi Racing | Ferrari 488 GT3 | Pierre Ehret | Rino Mastronardi | |
| 777 | HB Racing | Lamborghini Huracán GT3 | Bernard Delhez | Marc Rostan | Edward-Lewis Brauner |
| 888 | Kessel Racing | Ferrari 488 GT3 | Jaques Duyvier | Marco Zanuttini | David Perel |
| 911 | Herberth Motorsport | Porsche 911 GT3 | Jürgen Häring | Alfred Renauer | Robert Renauer |
