Compare the Audi A6 RS6 Avant Plus 4.2L V8 Twin Turbo - [2004] vs Porsche Cayenne Turbo S 4.8 V8 - [2015]. 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 Audi A6 RS6 Avant Plus 4.2L V8 Twin Turbo or the Porsche Cayenne Turbo S 4.8 V8. We'll leave it up to you to decide which is your favourite.
![Audi A6 RS6 Avant Plus 4.2L V8 Twin Turbo - [2004] image](/editionimages/965.jpg "Audi A6 RS6 Avant Plus 4.2L V8 Twin Turbo - [2004] image")
![Porsche Cayenne Turbo S 4.8 V8 - [2015] image](/editionimages/1644.jpg "Porsche Cayenne Turbo S 4.8 V8 - [2015] image")
Jaguar XK R-S GT 5.0 V8
Engine: Supercharged Petrol | 5000cc 32v V8
Top Speed: 186 mph
0-60mph: 3.90 seconds
Dodge Viper SRT/10 8.0L V10
Engine: Naturally Aspirated Petrol | 7997cc 20v V10
Top Speed: 270.3 kph
0-100kph: 4.8 seconds
