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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The 2013 GMC Acadia was first unveiled earlier this year at the 2012 Chicago Auto Show sporting a new front-end and some other tweaks.
We've already sampled the 2014 Chevrolet Silverado, but its upmarket twin, the 2014 GMC Sierra made its official debut today.
If you're looking for a sneak peek at the 2013 GMC Acadia, but the usual rumors and whispers automotive sites just aren't doing it, well, you've been looking in the wrong place.