GMC Logo2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box in Steel Gray Metallic: Front view of extended cab pickup with mesh grille and distinct headlamps

Front view of extended cab pickup with mesh grille and distinct headlamps

Front perspective of a full-size extended cab pickup truck featuring a large mesh grille, prominent headlamps, alloy wheels, and a long bed, emphasizing robust and detailed truck design.

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

View 24 images of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box

Small red car