10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather. Onyx Black 2020 GMC Sierra 1500 Denali EcoTec3 6.2L V8 10-Speed AutomaticDenali Ultimate Package (Power Sunroof), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Adaptive Cruise Control - Camera, Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert, Front Pedestrian Braking, IntelliBeam Automatic High Beam On/Off, and Lane Keep Assist w/Lane Departure Warning), Preferred Equipment Group 5SA (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 4G LTE Wi-Fi Hotspot Capable, Auxiliary External Transmission Oil Cooler, Chrome Recovery Hooks, Chrome Wheel To Wheel Assist Steps, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, GMC Connected Access Capable, HD Radio, HD Rear Vision Camera, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Rear Locking Differential, High-Capacity Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille, Spray-On Pickup Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Universal Home Remote, Ventilated Driver & Front Passenger Seats, and Wireless Charging), Technology Package (Bed View Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Multicolor 15" Diagonal Head-Up Display, and Rear Camera Mirror), Trailering Package, 10-Speed Automatic, 4WD, Dark Walnut/Dark Ash Grey Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Adaptive Ride Control Suspension, Adaptive suspension, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Forge Perforated Leather-Appointed Seat Trim, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood console insert, Genuine wood door panel insert, GMC MultiPro Power Steps (DISC), Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Illuminated entry, Low tire pressure warning, Memory seat, Navigation System, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: GMC Infotainment System, Premium Bose 7-Speaker Sound System, Radio data system, Radio: Premium GMC Infotainment Sys w/Navigation, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, SiriusXM w/360L, Speed c