2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box: Spacious truck bed with a red bag in light beige pickup bed

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Light beige spacious truck bed shown with open tailgate, holding a single red and black duffel bag, emphasizing the cargo capacity and usability of the extended cab long box pickup bed.

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