The Fastback version of the McMurtry Speirling model has a 1 cc (0.0 ci) 0 valve -0 - Electric engine. It has a 1 speed/ - gearbox with the power being delivered through it's RWD system.
The McMurtry Speirling Goodwood - [2021] has a top speed of 155 mph (249.4 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 1.40 seconds or 0-100kph in 1.4 and can achieve an estimated 1/4 mile drag time in 11.8 seconds with a trap speed of 166.2 mph.
Triumph TR8 3.5 V8
Engine: Naturally Aspirated Petrol | 3532cc 16v V8
Top Speed: 135 mph
0-60mph: 7.70 seconds
Porsche 911 Turbo 993
Engine: Turbo Petrol | 3600cc 24v F6
Top Speed: 289.6 kph
0-100kph: 4.0 seconds