2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
COASTAL DUNE
4WD
Diesel
78 Miles
Jet Black w/Kalahari Accents
BT199317
1GT4UPEY3TF199317
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
Power, capability, and comfort converge in this 2026 GMC Sierra 2500 AT4 4WD with the stout 6.6L V8 diesel — the ultimate tool for heavy-duty work and weekend adventure. Located in Livingston, TX, this GMC Sierra 2500 AT4 delivers unmatched towing and payload performance while providing refined on-road manners and off-road confidence thanks to the off-road package and rugged AT4 suspension. Inside, modern tech keeps you connected and in control: Apple CarPlay integration, steering wheel audio controls, and intuitive infotainment make every drive effortless. Safety is front and center with cross-traffic alert and lane departure warning, helping protect you and your passengers on busy highways and tight parking situations. This GMC Sierra 2502 AT4 is optimized for trail-ready performance and smart daily driving — a diesel V8 that combines durable power with impressive torque for towing trailers, hauling equipment, or exploring backcountry routes. The 4WD system and off-road enhancements ensure traction and capability where lesser trucks struggle. Located in Livingston, TX, this robust 2026 GMC Sierra 2500 AT4 is competitively priced and represents the best value you'll find on the market. If you want heavy-duty performance, advanced safety features, modern connectivity, and true off-road capability at the best price in the area, this GMC Sierra delivers. Contact us to schedule a test drive and experience its power and comfort for yourself.
Equipment
This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. Protect this 3/4 ton pickup from unwanted accidents with a cutting edge backup camera system. Never get into a cold vehicle again with the remote start feature on this model. The steering wheel audio controls on the vehicle keep the volume and station within easy reach. It has auto-adjust speed for safe following. An off-road package is installed on this 2026 GMC Sierra 2500 so you are ready for your four-wheeling best. The GMC Sierra is pure luxury with a heated steering wheel. This 2026 GMC Sierra 2500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This 2026 GMC Sierra 2500 offers Apple CarPlay for seamless connectivity. This 2026 GMC Sierra 2500's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road.
Packages
AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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. Power Sunroof. Body Color Wheel Arch Moldings. Gooseneck/5th Wheel Prep Package. Coastal Dune. Hitch Package. Rear Underseat Storage. 3 Years SiriusXM. 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.**
Power, capability, and comfort converge in this 2026 GMC Sierra 2500 AT4 4WD with the stout 6.6L V8 diesel — the ultimate tool for heavy-duty work and weekend adventure. Located in Livingston, TX, this GMC Sierra 2500 AT4 delivers unmatched towing and payload performance while providing refined on-road manners and off-road confidence thanks to the off-road package and rugged AT4 suspension. Inside, modern tech keeps you connected and in control: Apple CarPlay integration, steering wheel audio controls, and intuitive infotainment make every drive effortless. Safety is front and center with cross-traffic alert and lane departure warning, helping protect you and your passengers on busy highways and tight parking situations. This GMC Sierra 2502 AT4 is optimized for trail-ready performance and smart daily driving — a diesel V8 that combines durable power with impressive torque for towing trailers, hauling equipment, or exploring backcountry routes. The 4WD system and off-road enhancements ensure traction and capability where lesser trucks struggle. Located in Livingston, TX, this robust 2026 GMC Sierra 2500 AT4 is competitively priced and represents the best value you'll find on the market. If you want heavy-duty performance, advanced safety features, modern connectivity, and true off-road capability at the best price in the area, this GMC Sierra delivers. Contact us to schedule a test drive and experience its power and comfort for yourself.
Equipment
This vehicle comes equipped with Android Auto for seamless smartphone integration on the road. Protect this 3/4 ton pickup from unwanted accidents with a cutting edge backup camera system. Never get into a cold vehicle again with the remote start feature on this model. The steering wheel audio controls on the vehicle keep the volume and station within easy reach. It has auto-adjust speed for safe following. An off-road package is installed on this 2026 GMC Sierra 2500 so you are ready for your four-wheeling best. The GMC Sierra is pure luxury with a heated steering wheel. This 2026 GMC Sierra 2500's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. This 2026 GMC Sierra 2500 offers Apple CarPlay for seamless connectivity. This 2026 GMC Sierra 2500's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road.
Packages
AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps. 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. Power Sunroof. Body Color Wheel Arch Moldings. Gooseneck/5th Wheel Prep Package. Coastal Dune. Hitch Package. Rear Underseat Storage. 3 Years SiriusXM. 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
- AT4 Premium Plus Package: Power Sunroof; Technology Package; Power-Retractable Black Assist Steps
- 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
- Power Sunroof
- Body Color Wheel Arch Moldings
- Gooseneck/5th Wheel Prep Package
- Coastal Dune
- Hitch Package
- Rear Underseat Storage
- 3 Years SiriusXM
- 1st and 2nd Rows All-Weather Floor Liners
- 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
- 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
- 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 light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Full gauge cluster screen
- Auto high-beam headlights
- Immobilizer
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