The Subaru WRX STI arrives in Japan, and we are waiting to find out whether it will also reach other markets

Subaru took advantage of the Tokyo Motor Show to announce the launch of a n STI version of the Subaru WRX. We had already seen this model with several elements from the STI range, but there was no version fully designed within this range. This variant is based on the Subaru WRX NBR Challenge, which faces the grueling test of the 24 Hours of Nürburgring.

The main change in the model lies in the engine. It is a four-cylinder, 2.4-litre block, which has been modified to achieve a power increase of 25 CV, reaching a total output of 300 CV. This increase has been achieved by adding a new intake system, a pre-turbo duct, an exhaust with a low-pressure silencer and a revised ECU.

The torque remains at 375 Nm, but its response has been improved. Power reaches all four wheels through the Subaru Performance Transmission automatic gearbox. This new automatic gearbox improves the driving experience because it “adjusts the gear-shift characteristics to match the engine’s power and torque”.

As for the chassis, the electronically controlled dampers from ZF have been adjusted, revised coil springs and rear stabiliser bushings have been added. Braking has also been improved with the addition of drilled and ventilated discs on all four wheels. The brake pads have also been upgraded, and six-piston Brembo calipers are fitted to the front wheels.

The 19-inch STI Flexible Performance wheels are also new and fitted with Michelin tyres in size 255/35R19. On the outside, S210 badges and more striking aerodynamic components can also be seen compared with the rest of the versions.

The it aerodynamic kit of the S210 features a carbon-fibre rear spoiler at the back. At the front, a front splitter, sculpted side skirts and a pronounced rear diffuser have been installed. All these elements are finished in gloss black. A cherry-red stripe has been painted on the grille, and the S210 badge and STI emblems set it apart from the other variants.

The Recaro sports seats have carbon backrests, are upholstered in Nappa leather and can be electrically adjusted in eight positions. The black upholstery is combined with red details, the STI emblems and a plaque with the serial number of the STI variant.

Only 500 units of this variant of the Subaru WRX STI will be produced, and initially all are intended for the Japanese market. We don’t know whether any of these cars will be allocated to the international market, so for now we will have to settle for seeing them in photos.