| 1 | Heyerdahl / Preisig / Kletzer / Ferri | Autorama Motorsport by Wolf-Power Racing (CH) | VW | Golf | GTi TCR DSG | VW | TCR |
| 7 | Pampanini / Calamia / Pampanini / Stürzinger | Dinamic Motorsport (I) | Porsche | 991 GT3 R | II | Porsche | GT3 |
| 16 | Mayola / Carol / Gutierrez Agüi | PCR Sport (E) | Ferrari | 458 | Italia GT3 | Ferrari | GT3 |
| 17 | Lafargue / Lafargue / Chatin / Minassian | IDEC SPORT (F) | Mercedes-AMG | GT3 | | Mercedes-AMG | GT3 |
| 18 | Doppelmayr / Kaffer / Erhart / Herberger | Rutronik Racing by TECE (D) | Audi | R8 LMS | GT3 | Audi | GT3 |
| 22 | Weiss / Weiss / Krumbach / Keilwitz / Still | WTM powered by Phoenix (D) | Ferrari | 488 | GT3 Evo | Ferrari | GT3 |
| 34 | Kirchhoff / Edelhoff / Grimm / Edelhoff / Aust | Car Collection Motorsport (D) | Audi | R8 LMS | GT3 | Audi | GT3 |
| 85 | Putman / Espenlaub / Foster / Lewis | CP Racing (USA) | Mercedes-AMG | GT3 | | Mercedes-AMG | GT3 |
| 91 | Allemann / Bohn / Renauer / Renauer | Herberth Motorsport (D) | Porsche | 991 GT3 R | II | Porsche | GT3 |
| 92 | Häring / "Gonzales" / Triller / Seefried / Müller | Herberth Motorsport (D) | Porsche | 991 GT3 R | II | Porsche | GT3 |
| 112 | Gečiauskas / Ambrazevicius / Gulbinas / Sieljes | Autorama Motorsport by Wolf-Power Racing (CH) | VW | Golf | GTi TCR DSG | VW | TCR |
| 123 | Belloc Diaz / Belloc Ruiz / Rodríguez Sastre | RAIL EQUIP BY TOTCAR SPORT (E) | Cupra | León | TCR DSG | Seat | TCR |
| 125 | Mets / Stevens / Stevens / van den Berge / Frankenhout | Bas Koeten Racing (NL) | Cupra | León | TCR DSG | Seat | TCR |
| 151 | Lao Gorina / Lao Cornago / Fluxa / Fluxa, Jr. | Baporo Motorsport (E) | Cupra | León | TCR DSG | Seat | TCR |
| 188 | Perrin / Detry / Kaye / Radermecker | AC Motorsport (B) | Audi | RS3 | LMS DSG | Audi | TCR |
| 221 | Spinoy / Jones / Norman | Team ACP - Tangerine Associates (USA) | BMW | M2 | CS Racing (450HP) | BMW | TCX |
| 278 | White / Stinton / Brunot / Fender | CWS Engineering (GB) | Ginetta | G55 | | | TCX |
| 438 | Tan / Hull / Miller / Wittmer | ST Racing (CDN) | BMW | M4 | F82 GT4 | BMW | GT4 |
| 450 | Jorgensen / Strom / Van Dongen / Freke | RHC Jorgensen-Strom by Century (USA) | BMW | M4 | F82 GT4 | BMW | GT4 |
| 499 | Clark / Issa / Westphal / Lechmann | Car Collection Motorsport (D) | Audi | R8 LMS | GT4 | Audi | GT4 |
| 500 | Berthon / Joens / Lechmann / Niederhauser | Car Collection Motorsport (D) | Audi | R8 LMS | GT3 Evo II | Audi | P4 |
| 701 | Amrouche / Gaillard / Gruau / Leone-Provost | Vortex V8 (F) | Vortex | 1.0 | | | GTX |
| 712 | Bonnel / Gimond / Lajoux / Nobs | Vortex V8 (F) | Vortex | 1.0 | | | GTX |
| 716 | Oliveira / Kofler / Stuck / Kox | True Racing (A) | KTM | X-Bow | GTX | Audi | GTX |
| 717 | Trunkenpolz / Kox / Angerhofer / Sarmini / Rosina | True Racing (A) | KTM | X-Bow | GTX | Audi | GTX |
| 718 | Miniberger / Pavlovec / Janiš / Lisa / Littman | RTR projects (CZ) | KTM | X-Bow | GTX | Audi | GTX |
| 724 | Felbermayr, Jr. / Angermayr / Siljehaug | Reiter Engineering (F) | KTM | X-Bow | GTX | Audi | GTX |
| 909 | Mukovoz / Sidoruk / Peregudov | DUWO Racing (L) | Porsche | 991 GT3 Cup | II | Porsche | 991 |
| 955 | Broggi / Nicolae / de Castro | Willi Motorsport by Ebimotors (RO) | Porsche | 991 GT3 Cup | II | Porsche | 991 |
| 978 | Dons / Pickering / Coomber | Speed Lover (B) | Porsche | 991 GT3 Cup | II | Porsche | 991 |
| 989 | Al Ameri / Butkevicius / Michelon / Gadetskii | RABDAN by MRS GT-Racing (UAE) | Porsche | 991 GT3 Cup | II | Porsche | 991 |
| 999 | Breukers / Breukers / Vermeulen / Mardini | Red Camel-Jordans.nl (NL) | Porsche | 992 GT3 Cup | | Porsche | GTX |