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Compare the BMW 6 Series 640d XDrive - [2014] vs Ford Sierra Sapphire RS Cosworth - [1988]. 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 BMW 6 Series 640d XDrive or the Ford Sierra Sapphire RS Cosworth. We'll leave it up to you to decide which is your favourite.
BMW 7 Series 750i xDrive
Engine: Turbo Petrol | 4395cc 32v V8
Top Speed: 130 mph
0-60mph: 4.30 seconds
BMW 5 Series M5 E28
Engine: Naturally Aspirated Petrol | 3453cc 24v St6
Top Speed: 243.0 kph
0-100kph: 6.4 seconds