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Vehicle Details Take command of rugged luxury with this pre-owned 2026 GMC Sierra 3500 AT4 Diesel 4WD Certified, now available in Billings, MT. With just 9,349 miles, this low-mileage heavy-duty pickup delivers the confidence, capability, and premium refinement today's truck buyers demand. Powered by a V8 6.6L Diesel engine and equipped with 4WD, it is engineered for demanding towing, hauling, and off-road adventures while maintaining the strength and control you expect from a GMC Sierra 3500 AT4.
This Certified GMC Sierra 3500 offers standout features designed to elevate every drive. Stay connected with Hands Free Bluetooth and Android Auto, enjoy your favorite entertainment through XM Radio, and cruise with greater confidence thanks to Adaptive Cruise Control. Safety and awareness are enhanced with Cross-Traffic Alert, helping you navigate busy parking lots and crowded streets with added peace of mind.
The AT4 trim brings bold styling, premium comfort, and serious capability together in one impressive package. Whether you need a dependable workhorse or a refined adventure-ready truck, this GMC Sierra 3500 Diesel 4WD is ready to deliver. If you are searching for a powerful pre-owned GMC Sierra 3500 in Billings MT, this low-mileage Certified diesel truck deserves your attention. Contact us today to learn more and experience it in person.The vehicle is in great condition. This vehicle has had a safety and mechanical inspection completed. This 2026 GMC Sierra 3500 has very low miles for its year.
Equipment This one-ton is ready for all your hauling needs. This unit has four wheel drive capabilities. This 1 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. It offers Android Auto for seamless smartphone integration. This 1 ton pickup offers Apple CarPlay for seamless connectivity. The high efficiency automatic transmission shifts smoothly and allows you to relax while driving. Engulf yourself with the crystal clear sound of a BOSE sound system in it. See what's behind you with the back up camera on it. Good News! This certified CARFAX 1-owner vehicle has only had one owner before you. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. Set the temperature exactly where you are most comfortable in this 2026 GMC Sierra 3500. The fan speed and temperature will automatically adjust to maintain your preferred zone climate. This vehicle warns of approaching vehicles with Cross-Traffic Alert. The GMC Sierra features cruise control for long trips. This GMC Sierra has a diesel engine. This model has a V8, 6.6L high output engine. Bluetooth technology is built into this model, keeping your hands on the steering wheel and your focus on the road. It is pure luxury with a heated steering wheel. Quickly unlock it with keyless entry. The GMC Sierra's Lane Departure Warning helps keep you in your lane. The leather seats are soft and supportive on this unit. Help alleviate lower back pain with the driver seat lumbar support in it. An off-road package is installed on this 2026 GMC Sierra 3500 so you are ready for your four-wheeling best. Keep safely connected while in this vehicle with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling. Start the vehicle from inside with remote start. The vehicle features steering wheel audio controls. This unit features elegant lines colored with a long lasting sand colored finish. This 2026 GMC Sierra 3500 is built for driving comfort with a telescoping wheel. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this 1 ton pickup. Anywhere on the planet, you will have hundreds of digital stations to choose from.
Packages Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Perforated Front Leather Seat Trim; SiriusXM with 360L Trial Subscription; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; 20" High Gloss Black 8 Spoke Aluminum Wheels; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Bucket Seats; Premium Front Floor Liners with Removable Carpet Insert; Premium Rear Floor Liners with Removable Carpet Insert; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger Express Up/down; Bose Premium 7-Speaker Sound System; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; Push Button Start; LED Cargo Area Lighting; LT275/65R20 AT BW Tires; Remote Vehicle Starter System; Floor-Mounted Centre Console; Bed View Camera with Two Trailer Camera Provisions; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Centre Console; X31 Off-Road Package; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; AM/FM Stereo with Premium GMC Infotainment System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step Technology Package: Multicolour 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote Off-Road High Clearance Step Power Sunroof Gooseneck/5th Wheel Prep Package Coastal Dune 3 Years SiriusXM LED Smoked Amber Roof Marker Lamps **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**
Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Perforated Front Leather Seat Trim; SiriusXM with 360L Trial Subscription; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; 20" High Gloss Black 8 Spoke Aluminum Wheels; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Bucket Seats; Premium Front Floor Liners with Removable Carpet Insert; Premium Rear Floor Liners with Removable Carpet Insert; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger Express Up/down; Bose Premium 7-Speaker Sound System; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; Push Button Start; LED Cargo Area Lighting; LT275/65R20 AT BW Tires; Remote Vehicle Starter System; Floor-Mounted Centre Console; Bed View Camera with Two Trailer Camera Provisions; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Centre Console; X31 Off-Road Package; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; AM/FM Stereo with Premium GMC Infotainment System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners,AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step,Technology Package: Multicolour 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera,AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote,Off-Road High Clearance Step,Power Sunroof,Gooseneck/5th Wheel Prep Package,Coastal Dune,3 Years SiriusXM,LED Smoked Amber Roof Marker Lamps,Apple CarPlay/Android Auto smart device wireless mirroring,Forward Collision Alert with Automatic Braking,Front Pedestrian Braking,Wi-Fi Hotspot capable mobile hotspot internet access,HD Rear Vision Camera w/Hitch View rear mounted camera,Adaptive cruise control,Head-up display,Brake assist system,Cruise control with steering wheel mounted controls,Ventilated driver and front passenger seats,Keyfob remote start,Heated steering wheel,Heated driver and front passenger seats,Heated rear seats,Leather front seat upholstery,Primary monitor touchscreen,Lane Departure Warning,Rear Cross-Traffic Alert collision warning,First-row sliding and tilting glass sunroof with power 1-touch activation sunshade,Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control,AutoTrac part and full-time 4WD,Front wireless smart device charging,Google Built-In built-in virtual assistant,Restricted driving mode/alerts,Keyless Open/Keyless Start with hands-free access and push button start,Keyfob window control,HD Surround Vision w/Hitch View aerial view camera,Smart device remote start,Push-button,GCW Alert weight capacity alert,Video-feed rearview mirror,Bluetooth wireless audio streaming,Hitch Guidance with Hitch View vehicle to trailer hitching assist,Gauge cluster display size: 12.30,Front mounted camera with washer,Right side camera,Pickup box camera,Left side camera,Trailer Side Blind Zone Alert blind spot warning,Trailer tire pressure sensors,GMC ProGrade Trailering System trailer light test,GMC ProGrade Trailering System trailer light malfunction warning,GMC ProGrade Trailering System trailer theft alarm,Dual-zone front climate control,Full gauge cluster screen,IntelliBeam auto high-beam headlights,Immobilizer,Bose speakers,OnStar Services capable vehicle integrated emergency SOS system,Bluetooth handsfree wireless device connectivity
Features
• Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Perforated Front Leather Seat Trim; SiriusXM with 360L Trial Subscription; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; 20" High Gloss Black 8 Spoke Aluminum Wheels; Electric Rear-Window Defogger; Unauthorized Entry Theft-Deterrent System; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Bucket Seats; Premium Front Floor Liners with Removable Carpet Insert; Premium Rear Floor Liners with Removable Carpet Insert; Heated 2nd Row Outboard Seats; Power Front Windows with Passenger Express Up/down; Bose Premium 7-Speaker Sound System; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; Push Button Start; LED Cargo Area Lighting; LT275/65R20 AT BW Tires; Remote Vehicle Starter System; Floor-Mounted Centre Console; Bed View Camera with Two Trailer Camera Provisions; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Centre Console; X31 Off-Road Package; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; 120-Volt Bed Mounted Power Outlet; AM/FM Stereo with Premium GMC Infotainment System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Gloss Black Header and Grille Insert Bars; Rear Wheelhouse Liners
• AT4 Premium Plus Package: Power Sunroof; Off-Road High Clearance Step
• Technology Package: Multicolour 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera
• AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
• Off-Road High Clearance Step
• Power Sunroof
• Gooseneck/5th Wheel Prep Package
• Coastal Dune
• 3 Years SiriusXM
• LED Smoked Amber Roof Marker Lamps
• Apple CarPlay/Android Auto smart device wireless mirroring
• Forward Collision Alert with Automatic Braking
• Front Pedestrian Braking
• Wi-Fi Hotspot capable mobile hotspot internet access
• HD Rear Vision Camera w/Hitch View rear mounted camera
• Adaptive cruise control
• Head-up display
• Brake assist system
• Cruise control with steering wheel mounted controls
• Ventilated driver and front passenger seats
• Keyfob remote start
• Heated steering wheel
• Heated driver and front passenger seats
• Heated rear seats
• Leather front seat upholstery
• Primary monitor touchscreen
• Lane Departure Warning
• Rear Cross-Traffic Alert collision warning
• First-row sliding and tilting glass sunroof with power 1-touch activation sunshade
• Driver seat power reclining
• lumbar support
• cushion tilt
• fore/aft control and height adjustable control
• AutoTrac part and full-time 4WD
• Front wireless smart device charging
• Google Built-In built-in virtual assistant
• Restricted driving mode/alerts
• Keyless Open/Keyless Start with hands-free access and push button start
• Keyfob window control
• HD Surround Vision w/Hitch View aerial view camera
• Smart device remote start
• Push-button
• GCW Alert weight capacity alert
• Video-feed rearview mirror
• Bluetooth wireless audio streaming
• Hitch Guidance with Hitch View vehicle to trailer hitching assist
• Gauge cluster display size: 12.30
• Front mounted camera with washer
• Right side camera
• Pickup box camera
• Left side camera
• Trailer Side Blind Zone Alert blind spot warning
• Trailer tire pressure sensors
• GMC ProGrade Trailering System trailer light test
• GMC ProGrade Trailering System trailer light malfunction warning
• GMC ProGrade Trailering System trailer theft alarm
• Dual-zone front climate control
• Full gauge cluster screen
• IntelliBeam auto high-beam headlights
• Immobilizer
• Bose speakers
• OnStar Services capable vehicle integrated emergency SOS system
• Bluetooth handsfree wireless device connectivity
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