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| Toyota Supra GT4 | |
|---|---|
| Name | Toyota Supra GT4 |
| Manufacturer | Toyota Gazoo Racing |
| Production | 2019–present |
| Class | GT4 |
| Body style | 2-door coupe |
| Layout | front-engine, rear-wheel-drive |
| Engine | 3.0L turbocharged inline-six (B58) |
| Transmission | 6-speed manual (race) / 8-speed automatic (road) |
| Related | Toyota GR Supra, BMW Z4 (G29) |
Toyota Supra GT4 The Toyota Supra GT4 is a factory-supported GT4 racing car derived from the Toyota GR Supra road car and campaigned by Toyota Gazoo Racing and customer teams in series such as the FIA GT4 European Series, GT4 America, British GT Championship, Super GT, and 24H Series. Debuting after collaboration with Motorsport GmbH, the model blends components from the Bayerische Motoren Werke architecture and the Toyota Motor Corporation global platform to meet FIA GT4 homologation.
Development began inside Toyota Gazoo Racing engineering programs with input from motorsport divisions and independent firms including Multimatic and Porsche AG consultants. The project leveraged the shared development history between Toyota and BMW that produced the A90 Supra and G29 Z4, integrating the B58 engine architecture from BMW M GmbH with chassis adaptations from Toyota Motorsport GmbH engineers. Initial testing occurred at circuits such as Fuji Speedway, Nürburgring Nordschleife, Circuit Paul Ricard, and Silverstone Circuit with endurance validation at Spa-Francorchamps and aerodynamic tuning at the Toyota Technical Center Japan. Homologation work involved the FIA GT4 technical office and coordination with series organizers like SRO Motorsports Group and national authorities including FIA National Sporting Authorities.
The Supra GT4 uses a race-prepared version of the B58 3.0-liter turbocharged inline-six, mated to an endurance-spec sequential gearbox developed with input from suppliers such as Xtrac and Ricardo plc. Chassis modifications include a rollcage built to FIA GT safety standards, adjustable suspension by Öhlins or Bilstein suppliers, and braking systems from Brembo with ABS calibrated for BoP regimes. Aerodynamics feature a front splitter, rear wing, and underfloor modifications developed in wind tunnels at Toyota Motorsport GmbH and partner facilities like MTS Aerodynamics. Electronics utilize ECU calibration from companies such as MoTeC and data logging compatible with Race Technology systems. Weight distribution, ballast placement, and fuel cell capacity were adapted to comply with FIA GT4 homologation charts used across championships administered by SRO Motorsports Group, Motorsport UK, and IMSA.
The Supra GT4 first entered competitive racing with customer teams in the 2019 and 2020 seasons, appearing in rounds of the GT4 European Series, GT4 America, British GT Championship, and GT World Challenge Europe (GT4 Cup). It contested endurance events like the 24H Series races at Circuit de Barcelona-Catalunya and Circuit Zandvoort, and sprint rounds at Brands Hatch and Donington Park. Competitors included factory and customer cars from Porsche 718 Cayman GT4 Clubsport, Aston Martin Vantage GT4, Mercedes-AMG GT4, McLaren 570S GT4, and BMW M4 GT4 entries during direct GT4 class competition managed by SRO and national promoters such as MSV and Creventic.
Customer and factory-affiliated teams fielding the Supra GT4 have included outfits such as Team Dynamics, D’station Racing, TGRS, Red Camel-Jordans.nl, and ROWE Racing in endurance campaigns. Notable drivers associated with the model include racers with links to Toyota Gazoo Racing driver programs, veterans from the FIA GT Championship, and regional champions from series like the Blancpain GT Series and Porsche Carrera Cup alumni. Driver development pathways leveraged connections to academies such as the Toyota Gazoo Racing Academy, SRO Driver development programs, and national schemes run by Motorsport UK and FIA-licensed trainers.
On-track performance showed competitive lap times and durability in endurance stints at circuits including Spa-Francorchamps and Nürburgring, often requiring Balance of Performance adjustments by SRO Motorsports Group to equalize pace with rivals like Porsche, Aston Martin, and Mercedes-AMG. Reviews from team engineers and journalists based at outlets covering Autosport, Motorsport.com, and Top Gear praised the Supra GT4's chassis balance, turbocharged torque delivery from the B58 engine, and parts commonality with the road-going GR Supra. Critics noted ongoing development required for reliability in prolonged endurance races compared with established GT4 platforms fielded by McLaren Automotive and Porsche AG.
Production for customer racing was coordinated through Toyota Gazoo Racing's motorsport logistics, with parts support from suppliers like Multimatic, Xtrac, Brembo, and MoTeC to ensure worldwide service for teams competing in SRO-sanctioned events and national series managed by Motorsport UK and IMSA. Homologation to FIA GT4 standards required submission of technical documentation to the FIA and compliance with SRO Motorsports Group BoP processes; updates and revisions followed seasons similar to homologation protocols used for GT4 entries from Aston Martin Racing, Porsche, BMW Motorsport, and McLaren Racing. The model remained available to customer teams through Toyota Gazoo Racing Europe sales channels and authorized racing specialists.
Category:Toyota racing cars Category:GT4 cars Category:Toyota Gazoo Racing