The Cabriolet version of the Bentley Continental model has a 5998 cc (366.0 ci) 48 valve W12 Twin Turbo Petrol engine. It has a 6 speed/ Auto gearbox with the power being delivered through it's AWD system.
The Bentley Continental GTC Speed - [2009] has a top speed of 200 mph (321.8 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 4.50 seconds or 0-100kph in 4.6 and can achieve an estimated 1/4 mile drag time in 13.62 seconds with a trap speed of 107.9 mph.
Mercedes SL Class 65 AMG V12 R230
Engine: Twin Turbo Petrol | 5980cc 36v V12
Top Speed: 155 mph
0-60mph: 4.10 seconds
McLaren MP4-12C 3.8L V8 Twin Turbo
Engine: Twin Turbo Petrol | 3799cc 32v V8
Top Speed: 329.9 kph
0-100kph: 3.4 seconds