BMW X6 will be marketed in the U.S. again in two model variants, which will X6 xDrive50i comes equipped with 4.4-liter engine 400 hp BMW TwinPower Turbo V8 and X6 xDrive35i with 300 hp BMW’s award-winning TwinPower Turbo inline-6. Both are combined with 8-speed automatic transmission that has BMW to get a unique blend of response and efficiency.

http://www.autonewsandinfo.com/news-2013-bmw-x6/