GMC Logo2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Crew Cab Long Box: Side view of 2011 heavy duty pickup with crew cab and long cargo bed

Side view of 2011 heavy duty pickup with crew cab and long cargo bed

Side profile of a 2011 heavy duty pickup truck featuring a crew cab, long cargo bed (long box), 4x4 drivetrain, and shiny chrome wheels.

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