The GMC Sierra 1500 is unchanged for 2013 with the exception of a minor update to the transmission. The automatic gearbox will now use the engine to assist with braking on hill descents even in normal ...
The Sierra EV AT4 will feature coil-spring suspension and 35-inch all-terrain tires, a combination that adds two inches of ground clearance, as well as GMC's Terrain mode for optimized electric ...
The 2007 GMC Sierra 1500HD was carried forward from the 2006 model year and marketed as the "Classic" while GM readied the debut of their redesigned New Sierras. The Classic was virtually unchanged ...
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