The 2023 Toyota GR Corolla has a rally-ready powertrain.

2023 Toyota GR Corolla – Overview

North Americans were outraged when it was announced that the rally-inspired Toyota GR Yaris, with its turbocharged three-cylinder engine producing 257 horsepower and 266 pound-feet of torque, would not be coming America.

Here are the major highlights:

  • The G16E-GTS turbocharged 1.6-liter three-cylinder engine produces 300 horsepower, or 185.4 horsepower per liter, in the recently announced Toyota GR Corolla for 2023.
  • The single gearbox option is a six-speed manual, with the shift lever located next to a visible pull-style handbrake.
  • Three driver-selectable front/rear torque splits and optional Torsen limited-slip differentials are included in the basic GR Four all-wheel-drive system.
2023 Toyota GR Corolla
2023 Toyota GR Corolla

It is one of the world’s most potent production three-banger.

Still, Toyota’s Gazoo Racing has upped the ante to an even 300 horsepower and 273 pound-feet for the just-announced Toyota GR Corolla, which will undoubtedly arrive on our shores later this year.

The main specs of this more powerful engine version are the same. It’s a DOHC 12-valve inline-three with a displacement of 1618 cubic centimeters, the same D-4S direct and port fuel-injection system, and a compression ratio of 10.5:1.

In addition, the single-scroll ball-bearing turbo is integrated into the exhaust manifold.

Still, the spent combustion gases in the larger GR Corolla travel into a freer-breathing triple-outlet exhaust system with a valve to control the flow out of an added new center exit to substantially reduce backpressure.

2023 Toyota GR Corolla
2023 Toyota GR Corolla

Max torque reaches 3000 rpm, and the plateau lasts until 5500 revs when the 6500-rpm power peak is approaching.

The gearbox option is a 6-speed manual, and it’s safe to think it’ll give the same smooth short-throw shift action we saw in a drive of the GR Yaris in Europe.

The close-ratio box has the same internal cogs as the Yaris, including a top gear barely overdriven at 0.90:1.

Toyota refers to this gearbox as an intelligent manual transmission since it has a rev-matching feature and hill holding to minimize rollback on steep inclines (iMT).

Although the shift lever is conveniently located for the driver, we can’t help but notice the enormous center-pull handbrake.

To distribute torque, the GR Corolla’s standard GR-FOUR all-wheel-drive system uses an electronically controlled clutch pack fitted to the snout of the rear differential.

However, unlike most crossover SUVs’ demand-based systems, the GR Corolla’s technology always drives all four wheels.

In addition, the driver may adjust the front/rear torque distribution to suit the weather or mood by turning a knob, so it’s not a question of if but how much.

2023 Toyota GR Corolla
2023 Toyota GR Corolla

The 60/40 split is the norm, and there’s a 30/70 rear-drive-heavy setting that’s supposed to increase the fun factor on curving roads.

The 50/50 option is for track driving, where a lot of tail-happiness might slow down lap timings.

However, these torque proportions aren’t set in stone, as the system may adjust the distribution based on real-time feedback on how the car responds to changing driver inputs.

Torsen limited-slip front and rear differentials are standard on the Circuit Edition, although they can be added to the Core grade with the Performance package.

2023 Toyota GR Corolla
2023 Toyota GR Corolla

In either event, the 235/40R-18 Michelin Pilot Sport 4 tires placed on 15-spoke cast-aluminum wheels deliver the power created by the tiny three-cylinder turbo to the tarmac.

Toyota hasn’t made any acceleration claims, but all-wheel-drive traction, a redline clutch dump, and a pounds-per-horsepower ratio of just 10.8:1 might result in a sub-five-second zero-to-60-mph speed.

All of the above seems absurd in the context of a Toyota Corolla, but the GR Corolla appears to be on track to more than makeup because the GR Yaris was never brought to our shores.

It’s evident that the rallymeisters at Gazoo Racing have had a lot of input into the development of the 2023 GR Corolla, and we’re all for it.

ALSO, READ| 2023 KIA EV9 Concept Revealed!

2023 Toyota GR Corolla
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