2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Sterling Metallic
4WD
Diesel
2 Miles
Jet Black w/Kalahari Accents
B271639
1GT4UPEY2TF271639
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
Ready to dominate worksite and weekend adventures, this 2026 GMC Sierra 2500 AT4 4WD in Livingston, TX brings rugged capability and premium comfort together. Powered by a stout 6.6L V8 diesel, the GMC Sierra 2500 AT4 delivers the torque and towing confidence needed for heavy-duty tasks while the advanced 4WD system and Off-Road Package ensure sure-footed performance on dirt, mud, and rocky trails. The AT4 trim surrounds you with durable, purpose-built features and a driver-focused cabin that elevates every mile. Safety and convenience shine with Adaptive Cruise Control for relaxed highway driving and Steering Wheel Audio Controls for easy entertainment management. Enjoy crystal-clear audio with XM Radio and the practicality of Remote Start on chilly mornings or hot afternoons. The interior combines rugged style with thoughtful amenities, offering supportive seating and intuitive controls that keep you connected and comfortable during long hauls or daily drives. Exterior cues reflect capability: bold grille, functional tow hooks, and aggressive stance that announces capability before you even climb in. Bed utility and smart storage options make hauling tools and gear straightforward, while strong diesel performance handles heavy loads with composure. Located in Livingston, TX, this 2026 GMC Sierra 2500 AT4 4WD with the powerful 6.6L V8 diesel and Off-Road Package is engineered for those who demand strength, refinement, and real-world capability. Schedule a test drive and experience its commanding presence firsthand.
Equipment
The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. This unit has auto-adjust speed for safe following. See what's behind you with the back up camera on this model. This 3/4 ton pickup is equipped with the latest generation of XM/Sirius Radio. The steering wheel audio controls on this unit keep the volume and station within easy reach. This 3/4 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Start the GMC Sierra from inside with remote start. An off-road package is equipped on this vehicle. It warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. This model is pure luxury with a heated steering wheel. Engulf yourself with the crystal clear sound of a BOSE sound system in this GMC Sierra.
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; 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. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Power-Retractable Black Assist Steps. Technology Package. Gooseneck/5th Wheel Prep Package. Black Lug Nut & Wheel Lock Kit. Sterling Metallic. Hitch Package. Rear Underseat Storage. 1st and 2nd Rows All-Weather Floor Liners. 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.**
Ready to dominate worksite and weekend adventures, this 2026 GMC Sierra 2500 AT4 4WD in Livingston, TX brings rugged capability and premium comfort together. Powered by a stout 6.6L V8 diesel, the GMC Sierra 2500 AT4 delivers the torque and towing confidence needed for heavy-duty tasks while the advanced 4WD system and Off-Road Package ensure sure-footed performance on dirt, mud, and rocky trails. The AT4 trim surrounds you with durable, purpose-built features and a driver-focused cabin that elevates every mile. Safety and convenience shine with Adaptive Cruise Control for relaxed highway driving and Steering Wheel Audio Controls for easy entertainment management. Enjoy crystal-clear audio with XM Radio and the practicality of Remote Start on chilly mornings or hot afternoons. The interior combines rugged style with thoughtful amenities, offering supportive seating and intuitive controls that keep you connected and comfortable during long hauls or daily drives. Exterior cues reflect capability: bold grille, functional tow hooks, and aggressive stance that announces capability before you even climb in. Bed utility and smart storage options make hauling tools and gear straightforward, while strong diesel performance handles heavy loads with composure. Located in Livingston, TX, this 2026 GMC Sierra 2500 AT4 4WD with the powerful 6.6L V8 diesel and Off-Road Package is engineered for those who demand strength, refinement, and real-world capability. Schedule a test drive and experience its commanding presence firsthand.
Equipment
The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. This unit has auto-adjust speed for safe following. See what's behind you with the back up camera on this model. This 3/4 ton pickup is equipped with the latest generation of XM/Sirius Radio. The steering wheel audio controls on this unit keep the volume and station within easy reach. This 3/4 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Start the GMC Sierra from inside with remote start. An off-road package is equipped on this vehicle. It warns of approaching vehicles with Cross-Traffic Alert. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. This model is pure luxury with a heated steering wheel. Engulf yourself with the crystal clear sound of a BOSE sound system in this GMC Sierra.
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; 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. Black Badging Package: Black Sierra Nameplates; Black GMC Emblems. Power-Retractable Black Assist Steps. Technology Package. Gooseneck/5th Wheel Prep Package. Black Lug Nut & Wheel Lock Kit. Sterling Metallic. Hitch Package. Rear Underseat Storage. 1st and 2nd Rows All-Weather Floor Liners. 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.**
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; 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
- Black Badging Package: Black Sierra Nameplates; Black GMC Emblems
- Power-Retractable Black Assist Steps
- Technology Package
- Gooseneck/5th Wheel Prep Package
- Black Lug Nut & Wheel Lock Kit
- Sterling Metallic
- Hitch Package
- Rear Underseat Storage
- 1st and 2nd Rows All-Weather Floor Liners
- LED Smoked Amber Roof Marker Lamps
- Apple CarPlay/Android Auto smart device wireless mirroring
- Wi-Fi Hotspot capable mobile hotspot internet access
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- HD Rear Vision Camera w/Hitch View rear mounted camera
- Head-up display
- Automatic Emergency Braking predictive brake assist system
- Lane Departure Warning
- Rear Cross-Traffic Alert collision warning
- Teen Driver restricted driving mode/alerts
- HD Surround Vision w/Hitch View aerial view camera
- Video-feed rearview mirror
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- 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
- Auto high-beam headlights
- Immobilizer
- Adaptive cruise control
- Cruise control with steering wheel mounted controls
- Keyfob remote start
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Keyless Open/Keyless Start with hands-free access and push button start
- Keyfob window control
- Smart device remote start
- Push-button
- GCW Alert weight capacity alert
- Full gauge cluster screen
- Ventilated driver and front passenger seats
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Driver seat power reclining
- lumbar support
- cushion tilt
- fore/aft control and height adjustable control
- Dual-zone front climate control
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Bose speakers
- 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
- Hitch Guidance vehicle to trailer hitching assist
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
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