The GMC Sierra 1500HD was first introduced as a heavy-duty crew cab truck in 2001. For 2007, the Sierra 1500HD resided as part of the GMC brand’s Classic line of trucks based on the outgoing GMT800 ...
Created in 2001, the GMC Sierra 1500HD was created for the work-oriented customer wanting to exploit the full towing and hauling potential of a half-ton truck. Compared to the standard half-ton GMC ...