*Family owned since 1967* Clean CARFAX. CARFAX One-Owner. 2023 GMC Sierra 3500HD Denali 4X4 Ebony Twilight Metallic Denali 4X4 4D Crew Cab 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 6 Rectangular Chromed Tubular Assist Steps, Auto-Dimming Inside Rearview Mirror w/Camera, Automatic Emergency Braking, Bed View Camera w/2 Trailer Camera Provisions, Compass Located In Instrument Cluster, Deep-Tinted Glass, Denali Black Diamond Edition, Denali Ultimate Package, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front Chrome Recovery Hooks, GMC Connected Access Capable, Gooseneck/5th Wheel Prep Package, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated 2nd Row Outboard Seats, Heated Driver Front Outboard Passenger Seats, Hill Descent Control, Hitch Guidance w/Hitch View, Hitch Package (LPO), In-Vehicle Trailering System App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15 Diagonal Head-Up Display, MultiPro Audio System by Kicker (LPO), Navigation System, OnStar GMC Connected Services Capable, Polished Exhaust Tip, 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/Defogger, Power Sunroof, Power-Retractable Assist Steps, Preferred Equipment Group 5SA, Prem Front Floor Liners w/Removable Carpet Insert, Prem Rear Floor Liners w/Removable Carpet Insert, ProGrade Trailering System, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille w/High Gloss Black Mesh, Spray-On Pickup Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Technology Package, Trailer Tire Pressure Monitor Sensors, Ultrasonic Front Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver Front Passenger Seats, Wheels: 20 High Gloss Black Painted Aluminum, Wi-Fi Hotspot Capable, Wired Auxiliary Trailer Camera (LPO), Wireless Charging, Wireless Phone Projection, X31 Off-Road Package, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 220 Amp Alternator, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, 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 License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter, Genuine wood console insert, Genuine wood door panel insert, Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Illuminated entry, Low tire pressure warning, Memory seat, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead