GMC Logo2007 GMC Sierra 3500HD III (GMT900) Extended Cab Long Box in Dark Crimson Metallic: Heavy-duty pickup with extended cab and dual rear wheels

Heavy-duty pickup with extended cab and dual rear wheels

A heavy-duty extended cab pickup truck featuring a long cargo bed and dual rear wheels (dually), designed for enhanced towing and hauling capability.

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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