The Saloon version of the Audi A8 model has a 3993 cc (243.6 ci) 32 valve V8 Turbo Petrol engine. It has a 8 speed/ Auto gearbox with the power being delivered through it's AWD system.
The Audi A8 S8 4.0 V8 Turbo - [2011] has a top speed of 155 mph (249.4 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 4.20 seconds or 0-100kph in 4.3 and can achieve an estimated 1/4 mile drag time in 13.58 seconds with a trap speed of 108.8 mph.
Mercedes SLS AMG GT 6.2 V8
Engine: Naturally Aspirated Petrol | 6208cc 32v V8
Top Speed: 199 mph
0-60mph: 3.70 seconds
Porsche Boxster 3.4 Spyder PDK 987
Engine: Naturally Aspirated Petrol | 3436cc 24v F6
Top Speed: 265.5 kph
0-100kph: 5.0 seconds