How is the performance of Bentley Flying Spur?

Bentley Flying Spur comes with 8-speed automatic transmission and is loaded with W12 6.0-litres engine that churns out 616 bhp and torque of 800 Nm. The car reaches the the speed of 100 km/h in only 4.6 seconds.While on the other hand, V8 comes with twin-turbo 4.0L engine having a top speed of 295 km/h and produce 500 bhp power and torque 660 Nm. Bentley Flying Spur V8 reaches the speed of 100 km/h in just 5.2 seconds.