GMC Logo2007 GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box in Stealth Gray Metallic: Extended cab pickup truck with standard box and heavy-duty features

Extended cab pickup truck with standard box and heavy-duty features

Side profile of a heavy-duty pickup truck featuring an extended cab and standard cargo box, designed for durability and utility.

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

Small red car