Some of the best moments in automotive history happen when marques go certifiably crazy. Audi stuffing a V12 diesel engine in a family SUV, Buick upstaging the Corvette, that sort of raw singular ambition. The GR Corolla already felt like a high water mark for Toyota, a homegrown sport compact car with a drivetrain to sin for. So how do you make it better? By going crazier. This is the all-screaming, all-dancing, hardcore, R-rated GRMN Corolla, a factory tuner special with eye-popping purpose. And you thought the Morizo Edition was bonkers.
In the current market of hot hatches, the GR Corolla occupies an interesting niche. Sure, its surprisingly potent 300-horsepower turbocharged 1.6-liter inline-three is quite the curiosity, but perhaps the highlight of the whole car is its all-wheel-drive system. Nothing else in this segment offers limited-slip front and rear differentials, and the result is an absolute weapon when the roads get slippery. I remember testing one mid-winter on Blizzaks and the confidence it served up was simply immense. As such, it shouldn’t be surprising that Toyota’s five-door hot hatch has already been spun off into a wild special edition. The Morizon Edition of 2023 ditched the rear seats, shortened the final drive ratio, upped the torque, and reworked the chassis to create something rather frenetic. Compared to the GRMN, it was just a warm-up lap.
Under the hood, the GRMN Corolla features roughly the same sort of engine that we’re now deeply familiar with. Horsepower still stands at 300, but peak torque climbs slightly from 295 lb.-ft. to 302 lb.-ft. of twist. Then again, numbers alone don’t tell the whole story here. Toyota claims its optimized under-the-curve output from 4,000 to 4,600 RPM, the sort of rev range where extra punch results in quicker corner exits on track. To stay cool under pressure, Toyota’s also added an intercooler sprayer, primed to hose down the air-to-air intercooler, reduce intake air temperatures, and keep the GRMN Corolla happier during long, hard track sessions.
Speaking of the track, the “MN” in the GRMN Corolla’s name doesn’t stand for Minnesota, but instead “Meister of Nürburgring.” You know, that 12.9-mile racetrack in Germany that makes most club circuits look like karting tracks. Bumpy, fast and unforgiving, automakers have been pushing their machines to the limits on this stretch of tarmac for decades, and you can tell this Corolla’s been honed there just by how it’s been tweaked. Let’s start with the tires, sticky 245-section Michelin Pilot Sport Cup 2s. High friction, high grip, but still enough tread to cope with a spot of drizzle. Speaking of traction, Toyota claims both the all-wheel-drive system and the steering have been retuned for high-speed running. The sort of thing you want when flat-out to the bottom of Fuchsröhre.
Then there’s the suspension. Toyota threw the standard twin-tube dampers in the bin, instead speccing unique rebound-spring-equipped monotube dampers that prevent oil aeration over the relentless bumps of the Green Hell. With a standard layout up front and an inverted one out back, these dampers should be a substantial upgrade that trades a little bit of street comfort for a whole bunch of capability. Of course, hit a big enough bump and any car will run out of damper travel, which is why Toyota’s retuned the bump stops on the GRMN Corolla to make brief stints of low-level flight more manageable.
Of course, the suspension’s a whole lot harder to see with the GRMN Corolla on the ground than the aerodynamic tweaks. If those heavily ventilated front fenders look like something off a Super Taikyu race car, you’re just seeing exactly where Toyota got its inspiration from. Louvers up top help extract trapped air from atop the front tires, and should help the new front winglets do their job more effectively. Around back, the GRMN’s wing element is adjustable through five degrees depending on how much downforce you want. Need more top speed? Trim it out. Want more stability? Steepen its rake.
Like the Morizo Edition, the GRMN Corolla gets its own regimen of weight-saving that starts with throwing the rear seat in the bin. Does that make it technically a van? Argue with your local taxman about that. Regardless, a carbon fiber hood with some hardcore venting also contributes to a weight reduction of 77 pounds over the standard GR Corolla, although U.S.-market examples won’t be getting the coolest weight reduction measure—a set of fiberglass bucket seats with seriously aggressive bolstering.
Oh yeah, the GRMN Corolla isn’t forbidden fruit. This winged, vented, gold-wheeled, flocked-dash-equipped, Morizo-signed two-seat special is coming here. Toyota hasn’t officially announced how many will make it across the ocean or what each one will cost, but the answer to the former is likely not many. Regardless, this is a big deal because America usually hasn’t received the wildest Toyotas.
The GR Supra Final Edition that Europe and Japan got featured some serious upgrades. A huge wing, an extra 47 horsepower, a complete new suspension package featuring high-end KW adjustable coilovers. Meanwhile, America’s Final Edition GR Supra was mostly an appearance package. It got some minor chassis calibration tweaks, but they were more-or-less the same as the standard final-year Supra in other markets. Then there’s stuff like the Lexus LBX Morizo RR, a hopped-up GR Corolla in a suit. Or the GR Yaris Sebastien Ogier 9x World Champion Edition, a ‘roided-up GR Yaris with a special AWD mode for high-speed gravel running. Neither of which made it to North America.
In that context, the GRMN Corolla coming to America feels like a big deal. Not only is it the new top-dog Japanese hot hatch, it’s a moment of glorious overkill that North Americans will actually be able to enjoy. No waiting 25 years for this one. It’s a good sign, because if this takes off, it should mean that more wild Toyotas could come our way.
Top graphic image: Toyota
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