
- Subaru unveiled the WRX S210 STI Full Automotive prototype on the 2025 Tokyo Auto Salon
- It previews a manufacturing mannequin restricted to 500 items, set to go on sale later this yr
- In comparison with the usual WRX, it options extra energy and comes geared up with an ordinary CVT
Subaru has no plans to launch an STI model of the present WRX, however that doesn’t imply there aren’t variants of the compact sport sedan bearing the Subaru Tecnica Worldwide motorsports division’s iconic initials.
The newest is the WRX S210 STI Full Automotive prototype, which Subaru unveiled over the weekend on the 2025 Tokyo Auto Salon. It previews a brand new mannequin set to go on sale subsequent spring with a restricted manufacturing run of 500 items, seemingly all earmarked for Japan.
Subaru already presents numerous WRX S4 STI Sport fashions in Japan. These are milder STI Sport variations that includes some efficiency upgrades, although they lack the extra energy present in earlier generations of the true WRX STI.
That adjustments with the WRX S210 STI, which boasts a turbocharged 2.4-liter flat-4 engine tuned to ship a focused 296 hp. For comparability, the usual WRX’s turbocharged 2.4-liter engine produces 271 hp.

Subaru WRX S210 prototype
Energy remains to be despatched to all 4 wheels, however on this case, it is managed by way of a CVT—making the WRX S210 the primary S-series WRX to forgo a handbook transmission. Extra upgrades embody 19-inch STI wheels wrapped in 255/35 Michelin tires, a Brembo brake bundle with six-piston calipers up entrance, and track-honed aerodynamics. Inside, the automotive options Recaro bucket seats with carbon-fiber shells and eight-way adjustability.
Whereas Subaru doesn’t plan to launch a brand new WRX STI anytime quickly, Prodrive—the British motorsports and engineering firm that constructed Subaru’s profitable World Rally Championship vehicles—has developed a WRX with modifications worthy of being a WRX STI successor. Known as the WRX by Prodrive, it raises hopes that the automotive or at the very least its upgrades would possibly ultimately be made out there for buy.
Different highlights of Subaru’s stand on the Tokyo Auto Salon embody a Crosstrek Hybrid geared up with STI components, a BRZ GT300 race automotive set to compete within the 2025 Tremendous GT touring automotive sequence, and a WRX race automotive idea designed to run on sustainable gasoline.