GMC Logo2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box in Onyx Black: Extended cab pickup truck with chrome grille and long box

Extended cab pickup truck with chrome grille and long box

Extended cab pickup truck with a large chrome front grille, silver multi-spoke rims, fog lights, and an extended long cargo box.

View Dimensions of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box

View 21 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box

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