POWER MOONROOF / SUNROOF / POWER TILT SLIDING ROOF, VOICE ACTIVATED NAVIGATION, NAVIGATION / GPS / NAV, TECHNOLOGY PACKAGE, BLIND SPOT MONITORING / BLIND SIDE ALERT, LANE DEPARTURE WARNING, LANE DEPARTURE ALERT / LANE KEEPING ALERT, REARVIEW CAMERA / BACK UP CAMERA / REVERSE CAMERA, REAR VIEW CAMERA WDYNAMIC GUIDELINES, ANDROID AUTO & APPLE CARPLAY, LEATHER SEATS, HEATED & COOLED FRONT ROW SEATS, HEATED FRONT ROW SEATS, POWER WINDOWS & LOCKS, FOUR WHEEL DRIVE / 4WD / 4X4, STEERING WHEEL AUDIO CONTROLS, CRUISE CONTROL, WIRELESS CHARGING, SPRAY IN BED LINER, REMOTE START, REAR CROSS TRAFFIC ALERT, PUSH-BUTTON START, PREMIUM AUDIO SOUND SYSTEM, PRE COLLISION SYSTEM W/ PEDESTRIAN DETECTION, POWER SLIDING REAR WINDOW, BLUETOOTH AUDIO STREAMING, BLUETOOTH & BLUETOOTH STREAMING, BLUETOOTH HANDS-FREE PHONE SYSTEM, INTEGRATED TRAILER BRAKE CONTROLLER / TRAILER BRAKE CONTROLLER, HEATED STEERING WHEEL, HILL LAUNCH START ASSIST, DUAL ZONE A/C CONTROLS, BED LINER, BLUETOOTH, AUTO HIGH BEAMS, 120-Volt Instrument Panel Power Outlet, 2-Speed Active Transfer Case, 3.42 Axle Ratio, Automatic Emergency Braking, Bose Premium 7 Speaker Sound System, Denali Ultimate Package, Driver Alert Package I, Driver Alert Package II, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front fog lights, Front wheel independent suspension, Gooseneck/5th Wheel Prep Package, HD Radio, High Idle Switch, Inside Rearview Auto-Dimming Rear Camera Mirror, IntelliBeam Automatic High Beam On/Off, In-Vehicle Trailering System App, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15 Diagonal Head-Up Display, Navigation System, Pickup Box, Power Sunroof, Power windows, Power Windows w/Driver Express Up/Down, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Cross Traffic Alert, Rear window defroster, SiriusXM w/360L, Speed control, Spray-On Pickup Box Bed Liner w/Denali Logo, Technology Package, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Variably intermittent wipers, Wheels: 20 Multi-Dimensional Polished Aluminum. 2021 GMC Sierra 2500HD Denali 4WD Onyx Black Duramax 6.6L V8 Turbodiesel