2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Crew Cab Standard Box in Onyx Black: Front and side view of a heavy-duty pickup with chrome grille and crew cab.

Front and side view of a heavy-duty pickup with chrome grille and crew cab.

Heavy-duty pickup truck front and side view featuring a large chrome grille, dual headlights with amber indicators, crew cab configuration, chrome door handles, alloy wheels, and side step bars.

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

View 19 images of the 2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Crew Cab Standard Box

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