Toyota Supra GRNM to score 390kW BMW M3 power – motoring.com.au – Motoring

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Toyota Supra GRNM to score 390kW BMW M3 power
Senior Toyota exec confirms GRNM to not only get BMW M donk, but its dual-clutch transmission too
Toyota has confirmed that its high-performance GRNM version of its fast Toyota Supra coupe will come equipped with a powertrain lifted from the next-gen BMW M4.
Until now, it was thought that engineers were going to turn up the boost on the regular car’s B58 twin-scroll turbocharged 3.0-litre inline six-cylinder but now Japan’s Best Car has revealed those plans have been scrapped.
Instead, the Supra GRNM will harness the power of BMW M division’s next-gen S58 twin-turbocharged 3.0-litre inline six that will produce up to 390kW and 608Nm of torque.
Faster Supra GRNM could draw design inspiration from car-maker’s 2019 SEMA concepts
That is a huge power bump over the standard Supra, that even after its 2021 revisions, still only produces 285kW and 500Nm of torque.
To keep up with the new more frenetic S58 engine that will be used in both the next BMW M3 and M4 Toyota’s chief engineer, Tetsuya Tada who broke the news to Best car, said the Supra GRNM ditches the standard eight-speed automatic for M4’s seven-speed M-DCT dual-clutch transmission.
According to Tada, BMW was initially very reluctant to let go of its quick-shifting dual-clutch, especially since there are no plans to drop the BMW M4 powertrain into the closely-related Z4.
Faster Supra GRNM could draw design inspiration from car-maker’s 2019 SEMA concepts
To cope with the big bump in power, Toyota GR engineers will completely retune the Supra chassis and, possibly, enter a Supra GRNM prototype in the Nurburgring N24 endurance race as part of its development.
The bad news is there will be a bit of a wait now until the Toyota Supra GRNM arrives in 2023. Worse still, when it lands on the performance car landscape, Best Japan says Toyota plans to make just 200 Supra GRNMs, with each priced around 12m yen ($A160,000.)

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