New V12 engine set to power baby Rolls-Royce

Rolls-Royce said Monday that the upcoming production version of the 200EX concept car revealed at the Geneva motor show earlier this month will be powered by turbocharged 6.6-liter V12 engine.

Part of a new family of gasoline engines developed by parent company BMW--among which is the turbocharged 4.4-liter V8 used in the 7-series--the new four-valve-per-cylinder engine receives the latest in direct-injection technology and is claimed to produce in excess of 500 hp.

With the smaller V8 developing 442 lb-ft of torque in the range-topping BMW, the new V12 destined for the price-leading Rolls-Royce is expected to be in the vicinity of 553 lb-ft--something that should ensure what the British carmaker likes to refer to as traditional waftability--in other words, relaxed cruising.

By comparison, the larger and more expensive Phantom

By Greg Kable