The SUV version of the BMW X6 model has a 4395 cc (268.1 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 BMW X6 xDrive50i 4.4 V8 F16 - [2017] has a top speed of 155 mph (249.4 kph) and can accelerate from 0 to 60mph (0-96.6 kph) in 4.60 seconds or 0-100kph in 4.8 and can achieve an estimated 1/4 mile drag time in 13.97 seconds with a trap speed of 99.9 mph.
Pontiac G8 GT 6.0
Engine: Naturally Aspirated Petrol | 5967cc 16v V8
Top Speed: 140 mph
0-60mph: 5.30 seconds
Audi A8 4.0 TDI Quattro
Engine: Turbo Diesel | 3936cc 32v V8
Top Speed: 249.4 kph
0-100kph: 6.6 seconds