GMC Logo2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Crew Cab Long Box: Rear view with tailgate and taillights of a pickup truck

Rear view with tailgate and taillights of a pickup truck

Rear view showing tailgate, taillights, rear bumper, and towing hitch of a pickup truck with a crew cab and long bed.

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

View 31 images of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Crew Cab Long Box

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Small red car