BMW raised the bar, again with the new X6 M ($TBA). Fitted with a newly-developed 4.4-liter twin-turbo V8 engine, the uber SUV outputs 555hp at 6,000rpm and a maximum torque of 500 lb-ft to power from 0 to 60 in 4.5 seconds. The X6 M features a Dynamic Performance Control system, xDrive AWD and a 6-speed M Sports Automatic transmission, capable of full automatic as well as M driving mode.