2010 BMW X6 M: Fast and fun--whatever the heck it is:  
 


  Barreling around the racetrack, there's little lean entering the corners, plenty of thrust on exit and a monster amount of grip everywhere, and if it feels taxed at all, it's ever so briefly as the nose aims left and up from turn five for the steep...
 

http://www.autoweek.com/article/20090812/CARNEWS/908129998