2026 GMC Sierra 3500

Factory MSRP: $81,665 $5,305 off MSRP! Sterling Metallic 2026 GMC Sierra 3500HD SLT 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, Black Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 18 Machined Aluminum Wheels, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2-Speed Active Transfer Case, 220 Amp Alternator, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Center Armrest w/Storage, 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, Heated door mirrors, Heated front seats, Heated steering wheel, Illuminated entry, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Preferred Equipment Group 4SA, Premium audio system: Premium GMC Infotainment System, Push Button Start, Rain sensing wipers, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System,