GMC Logo2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box: Extended cab long box pickup with dual rear wheels and 4x4 drivetrain

Extended cab long box pickup with dual rear wheels and 4x4 drivetrain

Heavy-duty extended cab pickup with four doors, long cargo box, 4x4 emblem, and dual rear wheels designed for enhanced load capacity and traction.

View Dimensions of the 2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box

View 28 images of the 2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box

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