GMC Logo2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Regular Cab Long Box: Rear view of pickup truck tailgate and exhaust pipe

Rear view of pickup truck tailgate and exhaust pipe

Tailgate, rear window, dual taillights, bumper, hitch receiver, and large exhaust pipe on the rear end of a heavy-duty pickup truck.

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

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

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Small red car