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.
Porsche 911 Turbo 993
Engine: Turbo Petrol | 3600cc 24v F6
Top Speed: 180 mph
0-60mph: 3.90 seconds
Lotus Elise Club Racer
Engine: Naturally Aspirated Petrol | 1598cc 16v St4
Top Speed: 204.3 kph
0-100kph: 6.2 seconds