Please use care in your use of the information provided. The 2021 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 ...
but unlike the STI, it doesn’t get a hotter engine. The swan-song 2021 WRX STI packed a high-output flat-four engine making 310 horsepower, but the 2024 TR has to make do with the same 271-hp ...