Bob Lutz with the 2011 GMC Acadia Denali luxury CUV

General Motors Vice Chairman Bob Lutz with the 2011 GMC Acadia Denali luxury CUV after its unveiling Thursday, December 17, 2009 in Detroit, Michigan. The 2011 Acadia Denali, with segment-leading fuel economy, goes on sale in the third quarter of 2010. (Photo by John F. Martin for General Motors)