2019 GMC Sierra 1500 Denali EcoTec3 6.2L V8 4WD 10-Speed Automatic 10-Speed Automatic, 4WD, Jet Black. Satin Steel Metallic Odometer is 17937 miles below market average! Clean CARFAX. This is a loaded Denali Ultimate, power running boards, 6.2L Engine, 4x4, sunroof, heads up display, safety package and more. This is the top of the line. It comes with 2 keys, a free oil change and a full tank of gas.