GMC Logo2007 GMC Sierra 3500HD III (GMT900) Regular Cab Long Box in Deep Blue Metallic: Heavy-duty pickup truck with regular cab, long cargo bed, and dual rear wheels.

Heavy-duty pickup truck with regular cab, long cargo bed, and dual rear wheels.

Large heavy-duty pickup featuring a regular cab, extended long cargo bed, dual rear wheels for improved load capacity, and 4x4 drivetrain.

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

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

Small red car