Compare the Porsche Boxster 2.5 Roadster - [1996] vs Maserati 425 2.5L V6 BiTurbo Saloon - [1984]. 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 Porsche Boxster 2.5 Roadster or the Maserati 425 2.5L V6 BiTurbo Saloon. We'll leave it up to you to decide which is your favourite.