The Open version of the Ariel Atom model has a 1996 cc (121.8 ci) 16 valve St4 Turbo Petrol engine. It has a 6 speed/ Manual gearbox with the power being delivered through it's RWD system.
The Ariel Atom 4 2.0 Turbo - [2019] has a top speed of 162 mph (260.7 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 2.80 seconds or 0-100kph in 2.9 and can achieve an estimated 1/4 mile drag time in 12.72 seconds with a trap speed of 132.5 mph.
TVR Chimaera 4.0
Engine: Naturally Aspirated Petrol | 3950cc 16v V8
Top Speed: 152 mph
0-60mph: 5.50 seconds
Mercedes G Class G 55 AMG Kompressor
Engine: Supercharged Petrol | 5439cc 24v V8
Top Speed: 209.2 kph
0-100kph: 5.6 seconds