GMC has introduced a mobile app for the Apple iPhone and other Android phones enabling users to shop, research, and configure a GMC vehicle.
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RelayRides, a San Francisco based startup, has just gotten a lot of help.
We take a look at the just unveiled 2015 GMC Yukon Denali and Yukon XL, and drive the Sierra Denali with the new Ecotec3 6.2-liter engine.
Dealerships are constantly on the hunt for inexpensive perks with high value perception to lure in buyers.