2026 GMC Sierra AT4X
GMC Sierra Details
Automatic
V8, 6.6L
Summit White
4WD
Diesel
0 Miles
Obsidian Rush
260534
1GT4UZEY7TF274838
2500
Leather
AT4X
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
Discover the power and presence of this 2026 GMC Sierra 2500 AT4X, a commanding 4WD heavy-duty truck ready for worksite demands and weekend adventures. Equipped with a gutsy V8 6.6L Diesel engine, this GMC Sierra delivers the torque and towing capability you expect from a premium diesel pickup. The AT4X trim brings rugged off-road capability with a dedicated Off-Road Package, enhanced suspension, skid protection, and premium tires to tackle rough terrain with confidence. Step inside and experience a driver-focused cabin loaded with modern connectivity and convenience. Android Auto integration and Hands-Free Bluetooth ensure seamless smartphone access and safe, distraction-free calling. An intuitive XM Radio keeps entertainment options abundant on every drive. Safety and visibility are enhanced by a Back-Up Camera, making maneuvering and hitching trailers simpler and more precise. This GMC Sierra 2500 AT4X stands out with aggressive styling, durable bed features, and trail-ready components that make it as functional as it is striking. Whether you're navigating rural roads, hauling heavy loads, or exploring rugged trails around Stephenville, TX, this truck is engineered to perform. Don't miss your chance to own a robust, feature-rich diesel pickup that combines towing muscle, off-road capability, and modern tech. Contact us to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4X is the ideal truck for demanding tasks and serious adventures.
Equipment
This GMC Sierra is pure luxury with a heated steering wheel. An off-road package is equipped on this model. Engulf yourself with the crystal clear sound of a BOSE sound system in the GMC Sierra. This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The steering wheel audio controls on this unit keep the volume and station within easy reach. Start the vehicle from inside with remote start. Protect it from unwanted accidents with a cutting edge backup camera system. This unit comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into the vehicle, keeping your hands on the steering wheel and your focus on the road. It warns of approaching vehicles with Cross-Traffic Alert. This 3/4 ton pickup offers Apple CarPlay for seamless connectivity.
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. Hitch Package. High Idle Switch. **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.**
Discover the power and presence of this 2026 GMC Sierra 2500 AT4X, a commanding 4WD heavy-duty truck ready for worksite demands and weekend adventures. Equipped with a gutsy V8 6.6L Diesel engine, this GMC Sierra delivers the torque and towing capability you expect from a premium diesel pickup. The AT4X trim brings rugged off-road capability with a dedicated Off-Road Package, enhanced suspension, skid protection, and premium tires to tackle rough terrain with confidence. Step inside and experience a driver-focused cabin loaded with modern connectivity and convenience. Android Auto integration and Hands-Free Bluetooth ensure seamless smartphone access and safe, distraction-free calling. An intuitive XM Radio keeps entertainment options abundant on every drive. Safety and visibility are enhanced by a Back-Up Camera, making maneuvering and hitching trailers simpler and more precise. This GMC Sierra 2500 AT4X stands out with aggressive styling, durable bed features, and trail-ready components that make it as functional as it is striking. Whether you're navigating rural roads, hauling heavy loads, or exploring rugged trails around Stephenville, TX, this truck is engineered to perform. Don't miss your chance to own a robust, feature-rich diesel pickup that combines towing muscle, off-road capability, and modern tech. Contact us to schedule a test drive and see why this 2026 GMC Sierra 2500 AT4X is the ideal truck for demanding tasks and serious adventures.
Equipment
This GMC Sierra is pure luxury with a heated steering wheel. An off-road package is equipped on this model. Engulf yourself with the crystal clear sound of a BOSE sound system in the GMC Sierra. This model's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The steering wheel audio controls on this unit keep the volume and station within easy reach. Start the vehicle from inside with remote start. Protect it from unwanted accidents with a cutting edge backup camera system. This unit comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in this 3/4 ton pickup are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into the vehicle, keeping your hands on the steering wheel and your focus on the road. It warns of approaching vehicles with Cross-Traffic Alert. This 3/4 ton pickup offers Apple CarPlay for seamless connectivity.
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. Hitch Package. High Idle Switch. **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
- Hitch Package
- High Idle Switch
- 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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