Here is final powertrain information for GM's new midsize trucks.
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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.
The 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 will be the most powerful trucks on the road, when a new V-8 engine debuts this fall.
For the new model year, GMC is upgrading two of its top vehicles.