GMC Logo2007 GMC Sierra 2500HD III (GMT900) Extended Cab Standard Box: Pickup truck rear view with tailgate, rear bumper, and exhaust pipe

Pickup truck rear view with tailgate, rear bumper, and exhaust pipe

Rear view of a pickup truck showing the tailgate with handle, rear brake lights, bumper with integrated tow hitch, and a visible exhaust pipe on the right side.

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