Compare the Ford Falcon 4th Gen 351 V8 4-speed - [1970] vs Bentley Mulsanne 6.8 V8 Twin Turbo - [2009]. 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 Ford Falcon 4th Gen 351 V8 4-speed or the Bentley Mulsanne 6.8 V8 Twin Turbo. We'll leave it up to you to decide which is your favourite.