GMC Logo2007 GMC Sierra 1500 III (GMT900) Extended Cab Standard Box: Front and side view of extended cab pickup with chrome grille and standard bed.

Front and side view of extended cab pickup with chrome grille and standard bed.

Front view focusing on the mesh chrome grille with GMC badge and dual headlights, extended cab with four doors and standard sized pickup bed, detailed with chrome side mirrors and alloy wheels.

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