2007 GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box: Side profile of extended cab pickup truck with standard bed and Z71 badge

Side view of an extended cab pickup truck with four doors, standard cargo bed, Z71 off-road badge, heavy-duty wheels, and typical utility truck design in white.

View Dimensions of the 2007 GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box

View 38 images of the 2007 GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box