The Cabriolet version of the Mercedes SLS model has a 6208 cc (378.8 ci) 32 valve V8 N/A Petrol engine. It has a 7 speed/ Auto gearbox with the power being delivered through it's RWD system.
The Mercedes SLS AMG Roadster GT - [2012] has a top speed of 199 mph (320.2 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 3.70 seconds or 0-100kph in 3.8 and can achieve an estimated 1/4 mile drag time in 13.32 seconds with a trap speed of 115.3 mph.
Chevrolet Impala SS 427
Engine: Naturally Aspirated Petrol | 6999cc 16v V8
Top Speed: 130 mph
0-60mph: 7.20 seconds
Porsche Boxster S 3.2 987
Engine: Naturally Aspirated Petrol | 3179cc 24v F6
Top Speed: 267.1 kph
0-100kph: 5.6 seconds