The mean looking M6 GranCoupe has been spied again, this time undergoing winter testing.
BMW's answer to the Mercedes CLS AMG and Audi S7, the new M6 Gran Coupe was spotted during cold weather testing in Scandinavia. With a deep front spoiler, wide fenders, and set of quad exhaust pipes, the M6 is really looking the part of a not-to-be-messed with sedan. Powered by the same high-revving twin-turbocharged V8 engine as the M5 and the recently revealed M6 Coupe and Convertible, the M6 Gran Coupe has at least 552hp (and 501lb-ft of torque) and is rumored to have as much as an additional 20hp to play with.
Power will be transferred to the back wheels via BMW M's latest seven-speed Double Clutch Transmission with Drivelogic. The muscular M6 GranCoupe can run from rest to 62mph in just under 4.5 seconds and reach a limited top speed of 155mph. The new BMW M6 GranCoupe should debut later this year and will be launched in 2013.