The BMW X6 M is a sport activity coupe by the BMW M GmbH. Ludwig Willisch, head of BMW M GmbH, confirmed in an interview with the German automotive press in July 2008 that there would be an M version of the BMW X6. This was further confirmed in December 2008 in an interview on the M Power World with Albert Biermann, head of engineering M GmbH. The addition of the BMW X6 M Sports Activity Coupe extends the BMW M line up, currently consisting of variants of the M3,M6 and X5. BMW officially revealed of its BMW X6 M high-performance crossover at the New York Auto Show in April 2009. It was built to compete with Porsches Cayenne Turbo, Mercedes ML63 AMG and other high-performance crossovers. The BMW X6 M uses a version of BMWs latest twin-turbocharged 4.4-liter V8. Output is 555 horsepower at 6,000 rpm and peak torque is 680 newton-metres, available between 1,500 and 5,650 rpm. The car can accelerate from zero to 60 mph (097 km/h) in 4.