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

Rear view of pickup truck tailgate, rear bumper, and lights

Silver pickup truck rear tailgate with branded badges, rectangular rear lights, large rear bumper, and visible exhaust pipe underneath.

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