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Compare the Porsche 911 Turbo S 991 - [2013] vs Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo - [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 Porsche 911 Turbo S 991 or the Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo. We'll leave it up to you to decide which is your favourite.
Mercedes SL Class 500SL R129
Engine: Naturally Aspirated Petrol | 4973cc 32v V8
Top Speed: 155 mph
0-60mph: 6.30 seconds