The Cabriolet version of the Bentley Continental model has a 5998 cc (366.0 ci) 48 valve W12 Turbo Petrol engine. It has a 8 speed/ Auto gearbox with the power being delivered through it's AWD system.
The Bentley Continental GT Speed Convertible 6.0 W12 - [2013] has a top speed of 202 mph (325.0 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 4.10 seconds or 0-100kph in 4.2 and can achieve an estimated 1/4 mile drag time in 13.59 seconds with a trap speed of 108.6 mph.
BMW 3 Series 340i Touring F31 LCI
Engine: Turbo Petrol | 2998cc 24v St6
Top Speed: 155 mph
0-60mph: 4.90 seconds
Mercedes SL Class 450SL V8 R107
Engine: Naturally Aspirated Petrol | 4520cc 16v V8
Top Speed: 215.6 kph
0-100kph: 8.9 seconds