The all-new 2014 GMC Sierra has undergone specific design changes to boost both fuel efficiency and interior quietness, after spending a major portion of its development time in a wind tunnel.
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We've already sampled the 2014 Chevrolet Silverado, but its upmarket twin, the 2014 GMC Sierra made its official debut today.
General Motors is leaner and meaner, but is it greener?
You're looking at getting a crossover that will share parking lot space with your friends' Land Rovers and Audis.