2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box: Extended cab long box heavy-duty pickup truck with 4x4 drivetrain

Silver heavy-duty pickup truck with an extended cab and long cargo box, featuring a 4x4 drivetrain, rugged build, and chrome wheels, designed for hauling and off-road capability.

View Dimensions of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box

View 30 images of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box

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