2026 GMC Sierra AT4
GMC Sierra Details
Automatic
V8, 6.6L
Coastal Dune
4WD
Diesel
6 Miles
Jet Black w/Kalahari Accents
G3405
1GT4UPEY5TF158493
2500
Leather
AT4
Estimated Payment
$0 / month
About This 2026 GMC Sierra
Vehicle Details
Experience commanding power and refined capability with this 2026 GMC Sierra 2500 AT4 4WD, now available in Palestine, TX. Built around a proven V8 6.6L Duramax diesel, this heavy-duty truck delivers exceptional towing performance, impressive torque, and confident on- and off-road capability. The AT4 trim amplifies rugged style with premium off-road suspension and aggressive stance, while the 4WD system ensures traction in Texas weather and worksite conditions. Inside, enjoy modern connectivity with XM Radio, seamless smartphone integration via Apple CarPlay, and Hands-Free Bluetooth for safe, effortless calls and music streaming. A Back-Up Camera and Cross-Traffic Alert enhance safety and parking confidence, especially when maneuvering trailers or tight spaces. The comfortable, driver-focused cabin balances durability and convenience—designed for long hauls, tough jobs, and daily comfort. This GMC Sierra 2500 AT4 combines work-ready utility with refined technology and off-road readiness, making it an ideal choice for contractors, outdoor enthusiasts, and anyone who demands serious capability without sacrificing modern comforts. Located in Palestine, TX, this truck is competitively priced and ready for immediate test drives—offering the best price in the area for a 2026 GMC Sierra 2500 AT4 with the 6.6L diesel V8 and 4WD. Schedule a viewing today and experience why this GMC Sierra stands out as the smart, powerful choice for heavy-duty performance.
Equipment
The GMC Sierra features steering wheel audio controls. This unit features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on this vehicle. This 2026 GMC Sierra 2500 offers Android Auto for seamless smartphone integration. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. This GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The leather seats in it are a must for buyers looking for comfort, durability, and style. Protect it from unwanted accidents with a cutting edge backup camera system. This GMC Sierra's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this unit. Anywhere on the planet, you will have hundreds of digital stations to choose from.
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; 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-Retractable Black Assist Steps. Technology Package. 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.**
Experience commanding power and refined capability with this 2026 GMC Sierra 2500 AT4 4WD, now available in Palestine, TX. Built around a proven V8 6.6L Duramax diesel, this heavy-duty truck delivers exceptional towing performance, impressive torque, and confident on- and off-road capability. The AT4 trim amplifies rugged style with premium off-road suspension and aggressive stance, while the 4WD system ensures traction in Texas weather and worksite conditions. Inside, enjoy modern connectivity with XM Radio, seamless smartphone integration via Apple CarPlay, and Hands-Free Bluetooth for safe, effortless calls and music streaming. A Back-Up Camera and Cross-Traffic Alert enhance safety and parking confidence, especially when maneuvering trailers or tight spaces. The comfortable, driver-focused cabin balances durability and convenience—designed for long hauls, tough jobs, and daily comfort. This GMC Sierra 2500 AT4 combines work-ready utility with refined technology and off-road readiness, making it an ideal choice for contractors, outdoor enthusiasts, and anyone who demands serious capability without sacrificing modern comforts. Located in Palestine, TX, this truck is competitively priced and ready for immediate test drives—offering the best price in the area for a 2026 GMC Sierra 2500 AT4 with the 6.6L diesel V8 and 4WD. Schedule a viewing today and experience why this GMC Sierra stands out as the smart, powerful choice for heavy-duty performance.
Equipment
The GMC Sierra features steering wheel audio controls. This unit features a high end BOSE stereo system. Never get into a cold vehicle again with the remote start feature on this vehicle. This 2026 GMC Sierra 2500 offers Android Auto for seamless smartphone integration. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. This GMC Sierra's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The leather seats in it are a must for buyers looking for comfort, durability, and style. Protect it from unwanted accidents with a cutting edge backup camera system. This GMC Sierra's Cross-Traffic Alert: Safeguarding you from unexpected traffic when reversing. This 2026 GMC Sierra 2500 has auto-adjust speed for safe following. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving this unit. Anywhere on the planet, you will have hundreds of digital stations to choose from.
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; 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-Retractable Black Assist Steps. Technology Package. 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.**
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; 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-Retractable Black Assist Steps
- Technology Package
- 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
- 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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