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Compare the Audi A6 RS6 Avant 4.0 V8 Twin Turbo - [2012] vs Mercedes S Class 65 AMG Cabriolet 6.0 V12 - [2017]. 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 4.0 V8 Twin Turbo or the Mercedes S Class 65 AMG Cabriolet 6.0 V12. We'll leave it up to you to decide which is your favourite.
Citroen XM 3.0 V6
Engine: Naturally Aspirated Petrol | 2946cc 24v V6
Top Speed: 145 mph
0-60mph: 8.20 seconds
Porsche 944 Turbo
Engine: Turbo Petrol | 2479cc 16v St4
Top Speed: 260.7 kph
0-100kph: 5.7 seconds