The Cabriolet version of the Mercedes SL Class model has a 5461 cc (333.2 ci) 32 valve V8 Twin Turbo Petrol engine. It has a 7 speed/ Auto gearbox with the power being delivered through it's RWD system.
The Mercedes SL Class 63 AMG Cabriolet - [2017] has a top speed of 186 mph (299.3 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 4.00 seconds or 0-100kph in 4.1 and can achieve an estimated 1/4 mile drag time in 13.43 seconds with a trap speed of 112.6 mph.
Porsche 928 4.5 V8
Engine: Naturally Aspirated Petrol | 4474cc 16v V8
Top Speed: 143 mph
0-60mph: 6.80 seconds
Hyundai i30 N Performance 2.0 Turbo
Engine: Turbo Petrol | 1998cc 16v St4
Top Speed: 249.4 kph
0-100kph: 5.9 seconds