SLE Value Pkg  •  SLE Convenience Pkg  •  Preferred Pkg  •  Gooseneck/5TH Wheel Pkg  •  X31 Off-Road Pkg  •  Snow Plow Prep/Camper Pkg
Duramax Plus Pkg  •  Gooseneck/5TH Wheel Prep Pkg -- Hitch Platform to Accept Gooseneck or Fifth Wheel Hitch.  •  LPO, Hitch Pkg, Gooseneck Ball and Chain Tiedown Kit With Case  •  Suspension Pkg, Off-Road