Here is the BMW press release on the new M6: "Hot on the heels of the new M5, and taking lightweight design solutions from the M3 CSL, the new M6 combines supercar presence with Grand Touring potential. Joining an exclusive club, the fourth new M car of the decade sets a new performance benchmark for a production car. The beauty of the M6 is also its ability to comfortably crush miles on a cross-country cruise. ..."
More BMW M6 specifications and images are here and
here.