2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
COASTAL DUNE
4WD
Gasoline
0 Miles
Jet Black w/Kalahari Accents
NT135293
1GT4UPE74TF135293
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4 4WD — V8 6.6L Gasoline — Havre, MT Built for work and weekend adventure, this 2026 GMC Sierra 2500 AT4 combines rugged capability with comfortable refinement. Powered by a potent 6.6L V8 gasoline engine and full-time 4WD, the GMC Sierra delivers the torque and towing strength needed for hauling heavy loads across Montana terrain. The AT4 package brings off-road-ready features and a confident stance for trails or job sites. Inside, premium leather seats provide long-trip comfort while technology keeps you connected: Hands-Free Bluetooth, Android Auto, and Apple CarPlay integrate your phone seamlessly for navigation, music, and calls. Remote Start adds convenience on cold mornings in Havre. Safety and driver-assist features enhance control and peace of mind during heavy-duty use. This GMC Sierra 2500 AT4 is competitively priced and advertised as the best price in the area — exceptional value for a truck with this capability and equipment. Located in Havre, MT, it’s ready for a test drive today. If you need a hardworking, tech-friendly heavy-duty pickup that combines V8 power, 4WD performance, leather comfort, and modern connectivity, this GMC Sierra 2500 AT4 deserves your consideration. Contact us to schedule a showing and lock in the best price.
Equipment
An off-road package is installed on this vehicle so you are ready for your four-wheeling best. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane. This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the vehicle. Anywhere on the planet, you will have hundreds of digital stations to choose from. Keep your hands warm all winter with a heated steering wheel in this 2026 GMC Sierra 2500 . This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. The vehicle features a high end BOSE stereo system. Protect this 2026 GMC Sierra 2500 from unwanted accidents with a cutting edge backup camera system. The GMC Sierra has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience.
Packages
Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power Sunroof. Coastal Dune. 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.**
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.
2026 GMC Sierra 2500 AT4 4WD — V8 6.6L Gasoline — Havre, MT Built for work and weekend adventure, this 2026 GMC Sierra 2500 AT4 combines rugged capability with comfortable refinement. Powered by a potent 6.6L V8 gasoline engine and full-time 4WD, the GMC Sierra delivers the torque and towing strength needed for hauling heavy loads across Montana terrain. The AT4 package brings off-road-ready features and a confident stance for trails or job sites. Inside, premium leather seats provide long-trip comfort while technology keeps you connected: Hands-Free Bluetooth, Android Auto, and Apple CarPlay integrate your phone seamlessly for navigation, music, and calls. Remote Start adds convenience on cold mornings in Havre. Safety and driver-assist features enhance control and peace of mind during heavy-duty use. This GMC Sierra 2500 AT4 is competitively priced and advertised as the best price in the area — exceptional value for a truck with this capability and equipment. Located in Havre, MT, it’s ready for a test drive today. If you need a hardworking, tech-friendly heavy-duty pickup that combines V8 power, 4WD performance, leather comfort, and modern connectivity, this GMC Sierra 2500 AT4 deserves your consideration. Contact us to schedule a showing and lock in the best price.
Equipment
An off-road package is installed on this vehicle so you are ready for your four-wheeling best. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane. This vehicle's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the vehicle. Anywhere on the planet, you will have hundreds of digital stations to choose from. Keep your hands warm all winter with a heated steering wheel in this 2026 GMC Sierra 2500 . This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. The vehicle features a high end BOSE stereo system. Protect this 2026 GMC Sierra 2500 from unwanted accidents with a cutting edge backup camera system. The GMC Sierra has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience.
Packages
Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Power Sunroof. Coastal Dune. 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.**
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
- Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; 6.6L V8 with Direct Injection and Variable Valve Timing Engine; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners
- AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote
- Power Sunroof
- Coastal Dune
- 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
- 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
- First-row sliding and tilting glass sunroof with express open/close activation sunshade
- 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
- 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
- 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
- Trailer brake controller
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