2020 GMC Sierra 3500HD Denali 4WD: 6.6L Turbo-Diesel, Allison 10-Speed Automatic Transmission, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 220 Amp Alternator, 2nd Row Dual USB Charge-Only Ports, 2nd Row Heated Outboard Seats, 2-Speed Active Transfer Case, 3.42 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror w/Camera, Automatic Emergency Braking, Bed View Camera, Bose Premium 7 Speaker Sound System, Brake assist, Chrome Recovery Hooks, Deep-Tinted Glass, Delay-off headlights, Denali Ultimate Package, Driver Alert Package I, Driver Alert Package II, Driver Memory, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Floor-Mounted Center Console, Following Distance Indicator, Forge Perforated Leather-Appointed Seat Trim, Forward Collision Alert, Front Bucket Seats, Front Center Armrest, Front fog lights, Front reading lights, Fully automatic headlights, GMC Connected Access Capable, Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, HD Radio, HD Surround Vision w/2 Trailer View Camera Provisions, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heavy-Duty 80 Amp Battery, Hitch Guidance w/Hitch View, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, In-Vehicle Trailering System App, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, Memory seat, Multicolor 15'' Diagonal Head-Up Display, Navigation System, Panic alarm, Passenger door bin, Polished Exhaust Tip, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power passenger seat, Power Rear Windows w/Express Down, Power Sliding Rear Wind