By Micah Muzio
Summary: What could be better than the refined performance and luxury of the BMW 6 Series? How about the BMW M6? In this video Kelley Blue Book's Micah Muzio reviews the 560-horsepower 2013 M6. Spoiler alert. It's excellent.
2013 BMW 6 Series 4-door 650i Gran Coupe xDrive Coupe