2026 GMC Sierra AT4X
GMC Sierra Details
Automatic
V8, 6.6L
COASTAL DUNE
4WD
Diesel
10 Miles
OBSIDIAN RUSH
HG06044
1GT4UZEY2TF176106
2500
Leather
AT4X
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 2500 AT4X 4WD with V8 6.6L Diesel — located in Mountain Home, ID — offers rugged capability and refined comfort at the best price. This heavy-duty pickup is designed for work and adventure, featuring a powerful 6.6L V8 diesel that delivers exceptional torque for towing and hauling while providing long highway range and durability. The AT4X trim adds off-road-ready features and premium finishes for confidence on rough terrain. Inside, this GMC Sierra blends utility with modern technology. A Back-Up Camera and Cross-Traffic Alert enhance safety during maneuvers, while Android Auto integration and Steering Wheel Audio Controls keep smartphone connectivity and media management convenient and distraction-free. The Heated Steering Wheel adds comfort for cold mornings in Mountain Home, ID, and supportive seating and driver-focused ergonomics make long drives easier. Built with a rugged frame, advanced towing technologies, and 4WD capability, this GMC Sierra 2500 AT4X excels at heavy-duty tasks and weekend exploration. Available now at the best price, this truck delivers value without compromising capability or features. Whether you're towing heavy equipment, navigating mountain passes, or commuting locally, this GMC Sierra is engineered to perform. Visit our Mountain Home, ID location for a test drive and experience the combination of diesel performance, off-road readiness, and modern conveniences firsthand.
Equipment
The vehicle features steering wheel audio controls. This vehicle's Lane Departure Warning helps keep you in your lane. The vehicle features a high end BOSE stereo system. This unit has auto-adjust speed for safe following. This vehicle is pure luxury with a heated steering wheel. This unit comes equipped with Android Auto for seamless smartphone integration on the road. Never get into a cold vehicle again with the remote start feature on this GMC Sierra. Apple CarPlay: Seamless smartphone integration for this vehicle - stay connected and entertained on the go! An off-road package is equipped on the vehicle. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. This unit warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this model. Anywhere on the planet, you will have hundreds of digital stations to choose from.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Gooseneck/5th Wheel Prep Package. Coastal Dune. **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.**
2026 GMC Sierra 2500 AT4X 4WD with V8 6.6L Diesel — located in Mountain Home, ID — offers rugged capability and refined comfort at the best price. This heavy-duty pickup is designed for work and adventure, featuring a powerful 6.6L V8 diesel that delivers exceptional torque for towing and hauling while providing long highway range and durability. The AT4X trim adds off-road-ready features and premium finishes for confidence on rough terrain. Inside, this GMC Sierra blends utility with modern technology. A Back-Up Camera and Cross-Traffic Alert enhance safety during maneuvers, while Android Auto integration and Steering Wheel Audio Controls keep smartphone connectivity and media management convenient and distraction-free. The Heated Steering Wheel adds comfort for cold mornings in Mountain Home, ID, and supportive seating and driver-focused ergonomics make long drives easier. Built with a rugged frame, advanced towing technologies, and 4WD capability, this GMC Sierra 2500 AT4X excels at heavy-duty tasks and weekend exploration. Available now at the best price, this truck delivers value without compromising capability or features. Whether you're towing heavy equipment, navigating mountain passes, or commuting locally, this GMC Sierra is engineered to perform. Visit our Mountain Home, ID location for a test drive and experience the combination of diesel performance, off-road readiness, and modern conveniences firsthand.
Equipment
The vehicle features steering wheel audio controls. This vehicle's Lane Departure Warning helps keep you in your lane. The vehicle features a high end BOSE stereo system. This unit has auto-adjust speed for safe following. This vehicle is pure luxury with a heated steering wheel. This unit comes equipped with Android Auto for seamless smartphone integration on the road. Never get into a cold vehicle again with the remote start feature on this GMC Sierra. Apple CarPlay: Seamless smartphone integration for this vehicle - stay connected and entertained on the go! An off-road package is equipped on the vehicle. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. This unit warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this model. Anywhere on the planet, you will have hundreds of digital stations to choose from.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Gooseneck/5th Wheel Prep Package. Coastal Dune. **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.**
Features & Options
- Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners
- Black Badging Package: Black Sierra Nameplates; Black GMC Emblems
- Gooseneck/5th Wheel Prep Package
- Coastal Dune
- 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
- 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
- seatback side bolster support
- cushion tilt
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- Duramax 6.6L V-8 diesel direct injection
- intercooled turbo
- diesel
- engine with 470HP
- Duramax 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
- Video-feed rearview mirror
- 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 tire pressure sensors
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Off-road speed control
- Full gauge cluster screen
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