DETROIT – GM announced on Aug. 12 the addition of fuel-efficient XFE versions of the Chevy Silverado, GMC Sierra, Chevy Tahoe and GMC Yukon for the 2009 model-year. Chevrolet earlier in the year added the 36-mpg XFE model to its Cobalt lineup.
Tags: Chevrolet Cobalt, Chevy Silverado, Chevy Tahoe, GM, GMC Sierra, GMC Yukon , XFE , Xtra Fuel Economy