Those are relatively small increases over the standard (2020 US spec) STI, which makes 306bhp and 290lb ft, but a lot of work has gone into achieving those gains. The S209 features upgraded valve ...

Please use care in your use of the information provided. The 2020 Subaru WRX STI 6MT is equipped with a[n]Gasoline 2.5L H-4 engine that can produce up to 310 hp @ 6000 rpm horsepower and a maximum ...

The chief rival of the departed Mitsubishi Lancer Evolution, the Subaru WRX and WRX STI offer all-weather, rally-inspired performance wrapped in a package that's usable every day. Turbo power ...