Compare the Mercedes SL Class 63 4Matic+ 4.0 V8 Twin Turbo - [2021] vs Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo - [2018]. 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 Mercedes SL Class 63 4Matic+ 4.0 V8 Twin Turbo 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 63 4Matic+ 4.0 V8 Twin Turbo - [2021] image](/editionimages/2239.jpg "Mercedes SL Class 63 4Matic+ 4.0 V8 Twin Turbo - [2021] image")
![Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo - [2018] image](/editionimages/2114.jpg "Alfa-Romeo Giulia Quadrifoglio 2.9 V6 Bi Turbo - [2018] image")
Seat Ibiza Cupra 1.8 Turbo
Engine: Turbo Petrol | 1798cc 16v St4
Top Speed: 146 mph
0-60mph: 6.50 seconds
Porsche 911 GT2 996
Engine: Naturally Aspirated Petrol | 3600cc 24v St6
Top Speed: 318.6 kph
0-100kph: 4.1 seconds
