Here is final powertrain information for GM's new midsize trucks.
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GMC has introduced a mobile app for the Apple iPhone and other Android phones enabling users to shop, research, and configure a GMC vehicle.
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.
RelayRides, a San Francisco based startup, has just gotten a lot of help.