See also:

Vehicle Overview
The GMC Sierra 1500 and Chevrolet Silverado share the same platform, but the GMC product is often positioned as a more upscale offering. Mechanically, the trucks are the same. There might be sligh ...

Vehicle Personalization (With DIC Buttons)
Your vehicle may have customization capabilities that allow you to program certain features to one preferred setting. Customization features can only be programmed to one setting on the vehicle and ca ...

Split Folding Seatbacks
With this feature, either side of the rear seatback can be folded down for more cargo space. WARNING If either seatback is not locked, it could move forward in a sudden stop or crash. That could ...