It’s early, but Buick’s latest is averaging a nifty 83 among critics. (Typical tout above.)
BMW’s X6 hasn’t exactly been wowing the nation’s auto critics, averaging only 74 in published reviews. So BMW might be a bit anxious as to how the costly M version is received. Fear not. Car and Driver took the 2010 BMW X6 M out for a spin, and suggests that it’s a cheaper, faster alternative to the Porsche Cayenne:

