Compare the Subaru Impreza RB5 - Classic - [1999] vs BMW 3 Series M3 E30 - [1986]. 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 RB5 - Classic or the BMW 3 Series M3 E30. We'll leave it up to you to decide which is your favourite.