Subaru S210 STI Complete Car Prototype

If you’ve ever thought, “I wish my WRX had more Nürburgring and less grocery-getting,” Subaru has heard you loud and clear. Enter the S210 STI, a 500-unit, Japan-only love letter to high-performance driving, built with race-proven tech straight from the 24 Hours of Nürburgring.

Subaru S210 STI Complete Car Prototype

Under the hood, Subaru took the WRX S4’s 2.4-liter FA24 turbocharged boxer engine and gave it an overhaul—new air intakes, a low-resistance exhaust with a cannonball-shaped chamber, and a specially tuned ECU. The result? 300 hp (221 kW) at 5,700 rpm and 375 Nm (276 lb-ft) of torque from 2,000-5,600 rpm. And for the first time in an S-series car, Subaru’s Performance Transmission makes an appearance, dialed in for sharper shifts and better response.

It’s not just about power, though. The Michelin Pilot Sport 4S tires (255/35R19), Brembo 6-pot front brakes, electronic control dampers, and newly developed rear stabilizer bushes ensure the S210 can handle its newfound aggression. Aero upgrades include an STI Dry Carbon Rear Spoiler and a Side Garnish, keeping airflow tidy while making sure everyone knows this isn’t a regular WRX.

Inside, Recaro 8-way power seats with carbon backrests hold you in place, surrounded by a black and red-trimmed interior designed for full-throttle focus. A serial number plate reminds you that you’re one of the lucky 500.

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Sales details [JP] arrive in spring 2025, but expect it to sell out faster than a WRX on a rally stage.

Subaru S210 STI Complete Car Prototype
Subaru S210 STI Complete Car Prototype
Subaru S210 STI Complete Car Prototype
Subaru S210 STI Complete Car Prototype
Subaru S210 STI Complete Car Prototype
Subaru S210 STI Complete Car Prototype

Images: Mamoru Atsuta/Subaru [JP].