2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box in Steel Gray Metallic: Heavy-duty extended cab pickup with a long cargo bed and dual rear wheels

Heavy-duty extended cab pickup with a long cargo bed and dual rear wheels

Heavy-duty pickup truck featuring an extended cab and long cargo bed with dual rear wheels, designed for enhanced towing, payload capacity, and utility.

View Dimensions of the 2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box

View 28 images of the 2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box