GMC Logo2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box in Sonoma Red Metallic: Extended cab pickup truck with long cargo bed

Extended cab pickup truck with long cargo bed

Extended cab pickup truck with a long cargo bed, dual rear wheels, chrome front bumper, and 4x4 drivetrain for enhanced capability and load handling.

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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Small red car