Compare the Subaru Impreza WRX STI 320R - Saloon - [2011] vs Porsche Taycan 4 Cross Turismo - [2021]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Subaru Impreza WRX STI 320R - Saloon or the Porsche Taycan 4 Cross Turismo. We'll leave it up to you to decide which is your favourite.