2007 GMC Sierra 2500HD III (GMT900) Crew Cab Long Box in Silver Birch Metallic: Side view of a heavy-duty crew cab pickup with long cargo bed and off-road package.

Side view of a heavy-duty crew cab pickup with long cargo bed and off-road package.

Profile of a robust pickup truck featuring a four-door crew cab and an extended long box cargo bed, equipped with off-road Z71 package and sturdy wheels for rough terrain.

View Dimensions of the 2007 GMC Sierra 2500HD III (GMT900) Crew Cab Long Box

View 38 images of the 2007 GMC Sierra 2500HD III (GMT900) Crew Cab Long Box

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