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SRO GT4 is a class ofgrand tourer racing cars maintained by theSRO Motorsports Group that race in variousauto racing series across the globe. It is an entry-level class aimed at amateur drivers. GT4 cars are production-based vehicles with a few modifications for racing. The cars are closer to their road legal counterparts than most other GT racing classes; they are also one of the least powerful GT categories.[1][2] The class uses abalance of performance system to provide close competition between different race cars.
The GT4 category was founded by the SRO at the end of 2006, and first introduced in 2007, racing in theGT4 European Cup as a cheaper alternative forGT3 racing.[3] The category was also added to theBritish GT Championship in 2008.[4] The SRO also founded theDutch GT Championship in 2009.[5] The GT4 class was also adapted by several other small national championships.
After an unsuccessful attempt to expand the category in 2012, the SRO introduced theGT4 European Trophy, consisting of five rounds from existing European Championships.[6] This replaced the GT4 European Cup. In 2014, this series merged with the Dutch GT4 Championship to form the GT4 European series.[7]
Due to a low number of entries, the SRO announced that the GT4 European series would be split into two championships, theGT4 European Series Northern Cup and theGT4 European Series Southern Cup.[8] The Northern Cup would turn back into the GT4 European series, while the Southern Cup would turn into theFFSA GT Championship.
In North America,IMSA allows GT4 from mainstream manufacturers in the Grand Sport class of theMichelin Pilot Challenge since 2017, and in the Grand Sport X class of theIMSA VP Racing SportsCar Challenge since its inaugural season in 2023.
Source:[9]
As of October 2024, over 50 vehicles have gone through the homologation project with the RACB. GT4 cars can either directly be built by the automotive manufacturer, or by race teams and tuning companies.
| Nr. | Manufacturer | Model | Developer | Debut | Expiration | Image | Notes |
|---|---|---|---|---|---|---|---|
| RACB GT4-001 | Maserati | Trofeo Light GT4 | Scuderia Giudici | 23 January 2004 | 31 December 2011 | ||
| RACB GT4-002 | Ford | Mustang FR500C (S197) | Multimatic Motorsports | 9 February 2005 | 31 December 2011 | .jpg) | |
| RACB GT4-003 | Aston Martin | V8 Vantage N24 | Prodrive | 3 June 2006 | 31 December 2011 |  | |
| RACB GT4-004 | BMW | Z4 M Coupé GT4 (E86) | G&A Racing | 7 September 2006 | 31 December 2011 |  | |
| RACB GT4-005 | Nissan | 350Z (Z33) | RJN Motorsport | 5 May 2007[10] | 31 December 2011 |  | |
| RACB GT4-006 | Porsche | Cayman | GPR Racing | 5 May 2007[10] | 31 December 2011 | ||
| RACB GT4-007 | Ginetta | G50 GT4 | Ginetta Cars | 30 September 2007[11] | 31 December 2011 | .jpg) | |
| RACB GT4-008 | Peugeot | 207 THP Spider | Peugeot Sport | 5 May 2007[10] | 31 December 2011 | ||
| RACB GT4-009 | Lotus | 2-Eleven GT4 Supersport (Type 122) | Lotus Cars | 13 April 2008[12] | 31 December 2011 | .jpg) | |
| RACB GT4- 010 | Chevrolet | Corvette C6 GT4 | Callaway Cars | 20 April 2008[13] | 31 December 2011 | ||
| RACB GT4-011 | Donkervoort | D8 GT4 | Donkervoort Racing | 3 August 2008 | 31 December 2011 |  | |
| RACB GT4-012 | Aston Martin | V8 Vantage GT4 | Prodrive | 6 April 2009 | 31 December 2018 |  |
|
| RACB GT4-013 | Maserati | GranTurismo MC (M145) | Maserati | 6 April 2009 | 31 December 2018 |  | |
| RACB GT4-014 | Lotus | Exige GT4 (Type 120) | Lotus | 13 April 2009 | 31 December 2018 | ||
| RACB GT4-015 | BMW | M3 GT4 (E92) | BMW Motorsport[14] | 13 April 2009[15] | 31 December 2018 |  | |
| RACB GT4-016 | Nissan | 370Z NISMO GT4 (Z34) | RJN Motorsport | 3 May 2009 | 31 December 2018 |  | |
| RACB GT4-017 | Chevrolet | Camaro SS GT4 | Riley Technologies[16] | 10 January 2010 | 31 December 2018 | .jpg) | |
| RACB GT4-018 | Porsche | 911 GT4 (997.I) | GT3.nl[17] | 1 April 2010 | 31 December 2018 |
| |
| RACB GT4-019 | Lotus | Evora Cup GT4 (Type 124) | Lotus Cars | 28 August 2010 | 31 December 2018 |  | |
| RACB GT4-020 | Audi | TT GT4 | Jorg Van Ommen Autosprot | 14 January 2012 | 31 December 2018 | ||
| RACB GT4-021 | Mazda | MX-5 GT4 (NC) | Jota Sport | 7 April 2012 | 31 December 2018 | ||
| RACB GT4-022 | Toyota | GT86 GT4 (ZN6) | GPRM[19] | 13 February 2013 | 31 December 2018 | ||
| RACB GT4-023 | Chevron | GR8 GT4 | Chevron | 13 February 2013 | 31 December 2021 |  | |
| RACB GT4-024 | Ginetta | G55 GT4 | Ginetta Cars | 7 April 2014 | 31 December 2021 |  | |
| RACB GT4-025 | KTM | X-Bow GT4 | Reiter Engineering | 5 January 2015 | 31 December 2021 |  |
|
| RACB GT4-026 | SIN | R1 GT4 | SIN | 6 April 2015 | 31 December 2019 | .jpg) | |
| RACB GT4-027 | Porsche | Cayman GT4 Clubsport (981) | Manthey Racing | 4 April 2016 | 31 December 2024 |
| |
| RACB GT4-028 | BMW | Ekris M4 GT4 (F82)[21] | Ekris Motorsport | 4 April 2016 | 31 December 2021 | ||
| RACB GT4-029 | Porsche | Cayman SP PRO4 (981) | PROsport Performance[22] | 10 April 2016 | 31 December 2021 | .jpg) | |
| RACB GT4-030 | McLaren | 570S GT4 | McLaren | 16 April 2016 | 31 December 2024 |  | |
| RACB GT4-031 | Maserati | GranTurismo MC GT4 (M145) | Maserati | 24 April 2016 | 31 December 2024 |  | |
| RACB GT4-032 | Ford | Mustang GT4 (S550) | Multimatic Motorsports | 28 January 2017 | 31 December 2024 |  | 6th Generation Mustang |
| RACB GT4-033 | Chevrolet | Camaro GT4.R | Pratt & Miller[23] | 9 March 2017 | 31 December 2024 |  | |
| RACB GT4-034 | Panoz | Avezzano GT4 | Élan Motorsport Technologies | 10 March 2017 | 31 December 2024 | ||
| RACB GT4-035 | Audi | R8 LMS GT4 (Type 4S) | Audi Sport | 10 April 2017 | 31 December 2029 (Active) |  |
|
| RACB GT4-036 | BMW | M4 GT4 (F82) | BMW Motorsport | 24 May 2017 | 31 December 2024 | .jpg) |
|
| RACB GT4-037 | Mercedes-AMG | GT4 (C190) | HWA | 30 July 2017 | 31 December 2031 (Active) |  |
|
| RACB GT4-038 | Alpine | A110 GT4 | Signatech[27] | 6 March 2018 | 31 December 2031 (Active) | _(28533068407).jpg) |
|
| RACB GT4-039 | Jaguar | F-Type SVR GT4 | Invictus Games Racing | 31 March 2018 | 31 December 2024 | ||
| RACB GT4-040 | Aston Martin | Vantage AMR GT4 (AM6) | Prodrive | 30 April 2018 | 31 December 2029 (Active) |  | First generation |
| RACB GT4-041 | Porsche | 718 Cayman GT4 Clubsport (982) | Manthey Racing | 3 January 2019 | 31 December 2029 (Active) |
| |
| RACB GT4-042 | Toyota | GR Supra GT4 (J29/DB) | Toyota Gazoo Racing | 4 March 2019 | 31 December 2029 (Active) | .jpg) |
|
| RACB GT4-043 | Ginetta | G56 GT4 | Ginetta Cars | 2 March 2021 | 31 December 2027 (Active) | .jpg) |
|
| RACB GT4-044 | Porsche | 718 Cayman GT4 RS Clubsport (982) | Porsche | 17 November 2021 | 31 December 2031 (Active) | .jpg) | |
| RACB GT4-045 | Lotus | Emira GT4 | Lotus | 5 May 2022 | 31 December 2029 (Active) |  | |
| RACB GT4-046 | BMW | M4 GT4 (G82) | BMW Motorsport | 17 June 2022 | 31 December 2029 (Active) | .jpg) |
|
| RACB GT4-047 | McLaren | Artura GT4 | McLaren | 23 June 2022 | 31 December 2029 (Active) | .jpg) | |
| RACB GT4-048 | Nissan | Z NISMO GT4 (RZ34) | NISMO | 27 September 2022 | 31 December 2030 (Active) | .jpg) | |
| RACB GT4-049 | Ford | Mustang GT4 (S650) | Multimatic Motorsports | 28 June 2023 | 31 December 2030 (Active) |  | 7th Generation Mustang |
| RACB GT4-050 | Aston Martin | Vantage AMR GT4 Evo (AM6) | Prodrive | 27 February 2024 | 31 December 2030 (Active) | .jpg) | Updated version for 2024 onward.[31] |
| RACB GT4-XXX | Saleen | S1 | Saleen | Planned for 2020 Season | Homologations failed due to a variety of reason. Never Competed. | ||
| RACB GT4-XXX | Hyundai | Genesis Coupé | Concept. Never went through Homologations. | ||||
| RACB GT4-XXX | Radical | RXC | Failed GT4 Homologation process. | ||||
| RACB GT4-XXX | Bufori | BMS R1 | 22 November 2009 | Never went through proper SRO GT4 Homologations. Competed in GT Cup classes only. |
SRO GT4 cars have been either exclusive to or in a distinct class in each of the following series:
Premier Class Series:
Additionally, the following series allow SRO GT4 cars to participate alongside other competitors: