Compare the BMW 6 Series M6 Gran Coupe 4.4 V8 F06 - [2015] vs Audi A6 RS6 Avant 4.0 Turbo - [2014]. 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 M6 Gran Coupe 4.4 V8 F06 or the Audi A6 RS6 Avant 4.0 Turbo. We'll leave it up to you to decide which is your favourite.
![BMW 6 Series M6 Gran Coupe 4.4 V8 F06 - [2015] image](/editionimages/1693.jpg "BMW 6 Series M6 Gran Coupe 4.4 V8 F06 - [2015] image")
![Audi A6 RS6 Avant 4.0 Turbo - [2014] image](/editionimages/1720.jpg "Audi A6 RS6 Avant 4.0 Turbo - [2014] image")
Mercedes SL Class 63 AMG V8 R230
Engine: Naturally Aspirated Petrol | 6208cc 32v V8
Top Speed: 155 mph
0-60mph: 4.50 seconds
Rolls-Royce Ghost 6.6 V12
Engine: Twin Turbo Petrol | 6592cc 48v V12
Top Speed: 249.4 kph
0-100kph: 4.9 seconds
