The Toyota Supra GT4 Is The Most Powerful Supra You Can Buy

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You just can't drive it on the street.

Everywhere you look, the Toyota GR Supra is dominating the internet, and for good reason. Not only is it an impeccable performance car - but for 2021 we'll be seeing even more power, along with the addition of a more affordable 2.0-liter turbo model to broaden the family tree. These are joined by a new A91 Edition Supra, too, built in limited numbers, and yet today, we could care less about those three family members, because Toyota has announced the GR Supra GT4 racecar will be arriving in the US in August 2020 - the most powerful member of the new Supra family to date and a model exclusively reserved for customer racing.

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The 2021 Supra is already impressive, with a newly-updated 3.0-liter turbocharged straight-six engine developing 382 horsepower and 368 lb-ft of torque, sending power to the rear axle via an eight-speed automatic gearbox and an Active Differential that enables it to sprint from 0-60 mph in 3.9 seconds. But the GR Supra GT4 takes this a step further.

Developed by Toyota Motorsport GmbH, the inline-six engine has been tuned to deliver 430 hp, while the ZF eight-speed makes way for a seven-speed sports automatic transmission with paddle shifters. A limited-slip differential remains, but in GT4 guise, it's a mechanical unit built to withstand the forces exerted on a racecar. Ensuring the GT4 sounds as good as it performs, an Akrapovic exhaust system is standard-fit.

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Not only is it more powerful, but the GT4 is lighter too, with a natural fiber composite front splitter and rear wing contributing towards a weight saving of 424 lbs compared to the 2021 Supra 3.0. The GT4 dips just below the 3,000-pound mark at 2,976 lbs, which should enable it to corner impressively and make full use of the extra power on tap. Like the standard road-going car, the GT4 makes use of a similar suspension setup employing a MacPherson strut front end and multilink suspension at the rear, but the racecar gets KW dampers at all corners to enhance handling. The brakes are enhanced, too, with six-piston front and four-piston rear brakes utilizing race-specific calipers, while grippy Pirelli tires help keep you glued to the tarmac.

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The finishing touches on the race-ready Supra GT4 include a high-strength roll cage and a racing seat of FIA standards with a six-point racing harness. The interior has been stripped compared to the road car, with a single seat equipped and a new dash and instrument panel made of carbon fiber, and a steering wheel designed exclusively for the GT4.

Those looking to go racing in the Supra are in luck, as the GT4 will go on sale in the United States in August 2020, with those interested urged to contact Toyota Racing Development (TRD). It might only be track-legal, but the GT4 has us wondering how good a road-going 400-hp Supra might be.

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