2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
VOLCANIC RED TINTCOAT
4WD
Diesel
0 Miles
Jet Black w/Kalahari Accents
NT179797
1GT4UPEY9TF179797
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
For sale in Havre MT: 2026 GMC Sierra 2500 AT4 4WD with the legendary 6.6L V8 Duramax diesel — built for heavy towing, rugged off-road capability, and long highway miles. This GMC Sierra 2500 AT4 combines a powerful diesel V8 with a reinforced frame and advanced four-wheel drive, making it ideal for ranch work, hauling, and Montana adventures. The cabin features modern comfort and safety technology including Lane Departure Warning, Heated Steering Wheel, Remote Start, Back-Up Camera, and Cross-Traffic Alert to keep you confident on every drive. Whether you need maximum towing capacity, diesel efficiency, or premium off-road capability, this GMC Sierra delivers. The AT4 trim brings aggressive styling, off-road suspension, and durable interior materials designed to handle worksite dirt and family trips alike. Experience strong low-end torque from the 6.6L V8 diesel for easy trailering and superior performance on mountain passes. Located in Havre MT, this GMC Sierra 2500 AT4 is priced to sell and offers the best price in the area for comparable models. Don't miss your chance to own a powerful, well-equipped diesel truck that balances capability, comfort, and safety. Contact us today to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4 is the smart choice for tough jobs and big adventures.
Equipment
Engulf yourself with the crystal clear sound of a BOSE sound system in this model. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. This unit warns of approaching vehicles with Cross-Traffic Alert. Never get into a cold vehicle again with the remote start feature on the vehicle. This model features a hands-free Bluetooth phone system. This vehicle has auto-adjust speed for safe following. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. The GMC Sierra offers Apple CarPlay for seamless connectivity. See what's behind you with the back up camera on the vehicle. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. This GMC Sierra's Lane Departure Warning helps keep you in your lane. This 3/4 ton pickup gleams with a flashy red exterior. The vehicle is outfitted with an OnStar communication system. When you encounter slick or muddy roads, you can engage the four wheel drive on this GMC Sierra and drive with confidence.
Additional Information
**Vehicle Options listed are when the unit was originally built. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.
For sale in Havre MT: 2026 GMC Sierra 2500 AT4 4WD with the legendary 6.6L V8 Duramax diesel — built for heavy towing, rugged off-road capability, and long highway miles. This GMC Sierra 2500 AT4 combines a powerful diesel V8 with a reinforced frame and advanced four-wheel drive, making it ideal for ranch work, hauling, and Montana adventures. The cabin features modern comfort and safety technology including Lane Departure Warning, Heated Steering Wheel, Remote Start, Back-Up Camera, and Cross-Traffic Alert to keep you confident on every drive. Whether you need maximum towing capacity, diesel efficiency, or premium off-road capability, this GMC Sierra delivers. The AT4 trim brings aggressive styling, off-road suspension, and durable interior materials designed to handle worksite dirt and family trips alike. Experience strong low-end torque from the 6.6L V8 diesel for easy trailering and superior performance on mountain passes. Located in Havre MT, this GMC Sierra 2500 AT4 is priced to sell and offers the best price in the area for comparable models. Don't miss your chance to own a powerful, well-equipped diesel truck that balances capability, comfort, and safety. Contact us today to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4 is the smart choice for tough jobs and big adventures.
Equipment
Engulf yourself with the crystal clear sound of a BOSE sound system in this model. This 3/4 ton pickup offers Android Auto for seamless smartphone integration. This unit warns of approaching vehicles with Cross-Traffic Alert. Never get into a cold vehicle again with the remote start feature on the vehicle. This model features a hands-free Bluetooth phone system. This vehicle has auto-adjust speed for safe following. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. The GMC Sierra offers Apple CarPlay for seamless connectivity. See what's behind you with the back up camera on the vehicle. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. This GMC Sierra's Lane Departure Warning helps keep you in your lane. This 3/4 ton pickup gleams with a flashy red exterior. The vehicle is outfitted with an OnStar communication system. When you encounter slick or muddy roads, you can engage the four wheel drive on this GMC Sierra and drive with confidence.
Additional Information
**Vehicle Options listed are when the unit was originally built. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.
Features & Options
- 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
- Automatic Emergency Braking predictive 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
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- 6.6L V-8 gasoline direct injection
- variable valve control
- regular unleaded
- engine with 401HP
- 6.6L V-8
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver 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
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Bluetooth wireless audio streaming
- Hitch Guidance 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
- Following Distance Indicator
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
- Bose speakers
- OnStar vehicle integrated emergency SOS system
- Bluetooth handsfree wireless device connectivity
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