The largest and heaviest of the Silverado/GMC heavy-duty trucks is the Silverado 3500 crew cab long bed, measuring 266 inches long -- just like the Ford F-450. The Silverado HD is 96.75 inches ...
GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot ...