2026 GMC, SIERRA 3500HD SIERRA 3500HD, 2026 GMC, SIERRA 3500HD, AT4, Dune 2026 GMC Sierra 3500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Blk With Kalahari Acc Leather, 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 3 Years SiriusXM, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, AT4 Preferred Package, AT4 Premium Plus Package, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror with Camera, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual 220-Amps Primary and 170-Amps Auxiliary Alternators, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Premium 13.4'' Diagonal Information Display, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp-Hour Battery, Hill Descent Control, Hitch Guidance with Hitch View, Illum The options and features include: SiriusXM with 360L Trial Subscription, Preferred Equipment Group 4SB, 10-Way Power Driver Seat Adjuster with Lumbar, Driver Memory, Power Sliding Rear Window with Defogger, 10-Way Power Passenger Seat Adjuster with Lumbar, Power Front Windows with Passenger Express Up/Down, Deep-Tinted Glass, Keyless Open and Start, Rear Wheelhouse Liners, Winter Grille Cover, Premium Rear Floor Liners with Removable Carpet Insert, Premium Front Floor Liners with Removable Carpet Insert, Push Button Start, Remote Vehicle Starter System, Electric Rear-Window Defogger, Front Rain-Sensing Wipers, Power Sunroof, Spray-on Pickup Bedliner with GMC Logo, Technology Package, Floor-Mounted Center Console, Auto-Dimming Inside Rearview Mirror with Camera, Pickup Bed, Gloss Black Header and Grille Insert Bars, Safety Alert Seat, Radio: AM/FM Stereo with Premium GMC Infotainment System, Hill Descent Control, Engi
