Fully loaded late delivery duramax Denali all original no gravel roads no off-road interior never sat in covered seats factory exterior protection, bedrug, matching flares power led cab steps, boards fifth wheel prep 110 volt in bed pro trailer package trailer camera update with side blind zone views illuminated logos with blackout option all fluids changed frt diff,rear diff, trans case, engine, trans mission full drain change of internal filter with valve body inspection at 5000 miles added PPE cast aluminum +4 qt pan, roof marker led optional high idle switch option vin upon onsite inspection.