Last year, Bentley introduced V-8 power to its Continental line for the first time in the Continental GT coupe and convertible. It has now tweaked the formula to offer a more powerful version that fits neatly between that car and the standard W-12 model. Called the Continental GT V8 S, the newest Bentley extracts 521 hp and 502 ft lbs of torque from a twin-turbo 4.0-liter V-8. The engine is coupled to an 8-speed ZF automatic transmission.
In extracting 21 hp more from the engine, Bentley says performance has …