2026 GMC Sierra 3500

Factory MSRP: $106,180 $2,000 off MSRP! Onyx Black 2026 GMC Sierra 3500HD Denali Ultimate 4WD 4D Crew Cab 10-Speed Automatic Duramax 6.6L V8 Turbodiesel The Montrose Promise 1. Price Promise â We'll beat anybody's price! Everyday. Every vehicle. No exceptions! 3. Satisfaction Guarantee Promise â If you are not completely satisfied, you can exchange any vehicle for any reason within 2 days or 150 miles. 4. Service Promise â FREE first oil change, anytime exterior car wash, anytime multi-point inspection with any service visit, vehicle appraisal report with any service visit, and battery installation! 5. Warranty Promise â UNLIMITED mileage powertrain warranty for 1 year on select pre-owned vehicles! 6. Credit Promise â You've got a friend for finance with our Montrose EZ Credit Program...100% credit approval is our goal! Donât forget to ask us about The Montrose HERO Promise! 10-Speed Automatic, 4WD, Alpine Umber Leather, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220 Amp Alternator, 3.42 Rear Axle Ratio, 4-Wheel Disc Brakes, ABS brakes, Air Conditioning, All-Weather Floor Liners, Alloy wheels, AM/FM radio: SiriusXM with 360L, 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, Block heater, Bose Premium Series 12-Speaker 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, Dual Heavy-Duty 70 Amp-Hour Battery, 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, Full Grain Leather Seat Trim, Fully automatic headlights, Garage door transmitter, Genuine wood dashboard insert, Genuine wood door panel insert, GMC Premium 13.4 Diagonal Information Display, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heads-Up Display, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Hitch Guidance with Hitch View, Illuminated entry, in-Vehicle Trailering App, IntelliBeam Auto