Compare the Subaru Impreza WRX STI V4 - Classic JDM - [1997] vs Subaru Impreza WRX STI V5 Type R - JDM - Classic - [1998]. 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 V4 - Classic JDM or the Subaru Impreza WRX STI V5 Type R - JDM - Classic. We'll leave it up to you to decide which is your favourite.