GMC Logo2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box in Stealth Gray Metallic: Front and side view of extended cab pickup with chrome grille and alloy wheels

Front and side view of extended cab pickup with chrome grille and alloy wheels

Front and side angle view of an extended cab pickup truck with chrome grille, detailed headlights, alloy wheels, and standard cargo box.

View Dimensions of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box

View 25 images of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box

Small red car