Sierra 2500HD Denali, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, White Frost Tricoat, Jet Black w/Perf Leather-Appointed Front Outboard Seat Trim, Automatic Emergency Braking, Denali Ultimate Package, Driver Alert Package I, Driver Alert Package II, Following Distance Indicator, Forward Collision Alert, Hill Descent Control, IntelliBeam Automatic High Beam On/Off, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, Power Sunroof, Rear Cross Traffic Alert, Technology Package, Ultrasonic Front & Rear Park Assist, X31 Off-Road Package. 2021 GMC Sierra 2500HD
