2026 GMC Sierra AT4
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GMC Sierra Details
Automatic
V8, 6.6L
Summit White
4WD
Diesel
3,346 Miles
Jet Black w/Kalahari Accents
26GB4487
1GT4UPEY9TF112164
2500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
Experience rugged capability and upscale comfort with this 2026 GMC Sierra 2500 AT4 4WD, now available in Breaux Bridge, LA at the best price. Powered by a proven 6.6L V8 diesel, this heavy-duty GMC Sierra delivers exceptional towing torque, confident highway passing, and strong fuel efficiency for long hauls. The AT4 package pairs off-road-ready suspension and skid protection with refined interior touches for a versatile truck built to work and unwind. Inside, enjoy premium leather seats that provide comfort and durability on extended drives. Advanced driver assistance features include Cross-Traffic Alert and Adaptive Cruise Control, enhancing safety and reducing driver fatigue in busy traffic and highway conditions. Steering Wheel Audio Controls and XM Radio keep entertainment and communications within easy reach, so you stay focused on the road while enjoying endless programming options. With four-wheel drive capability, this GMC Sierra 2500 AT4 conquers mud, gravel, and uneven terrain while maintaining composed handling on pavement. Practical features and luxury appointments make it ideal for contractors, outdoor enthusiasts, and drivers who demand capability without compromising comfort. Located in Breaux Bridge, LA, this GMC Sierra 2500 AT4 is competitively priced to move swiftly—take advantage of the best price today. Schedule a test drive to experience diesel power, advanced tech, and true off-road confidence in one impressive truck.
Equipment
The steering wheel audio controls on this 3/4 ton pickup keep the volume and station within easy reach. An off-road package is installed on this 3/4 ton pickup so you are ready for your four-wheeling best. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. Protect it from unwanted accidents with a cutting edge backup camera system. It has auto-adjust speed for safe following. This vehicle warns of approaching vehicles with Cross-Traffic Alert. It offers Apple CarPlay for seamless connectivity. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. It's Lane Departure Warning helps keep you in your lane. Start it from inside with remote start. Engulf yourself with the crystal clear sound of a BOSE sound system in it. This unit is pure luxury with a heated steering wheel.
Packages
Max Trailering Package: 11. 750 lbs (5. 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package. 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. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Body Color Wheel Arch Moldings. MulitPro Audio System by Kicker. Gooseneck/5th Wheel Prep Package. Hitch Package. Rear Underseat Storage. GMC MultiPro Tailgate Step Lights. 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 rugged capability and upscale comfort with this 2026 GMC Sierra 2500 AT4 4WD, now available in Breaux Bridge, LA at the best price. Powered by a proven 6.6L V8 diesel, this heavy-duty GMC Sierra delivers exceptional towing torque, confident highway passing, and strong fuel efficiency for long hauls. The AT4 package pairs off-road-ready suspension and skid protection with refined interior touches for a versatile truck built to work and unwind. Inside, enjoy premium leather seats that provide comfort and durability on extended drives. Advanced driver assistance features include Cross-Traffic Alert and Adaptive Cruise Control, enhancing safety and reducing driver fatigue in busy traffic and highway conditions. Steering Wheel Audio Controls and XM Radio keep entertainment and communications within easy reach, so you stay focused on the road while enjoying endless programming options. With four-wheel drive capability, this GMC Sierra 2500 AT4 conquers mud, gravel, and uneven terrain while maintaining composed handling on pavement. Practical features and luxury appointments make it ideal for contractors, outdoor enthusiasts, and drivers who demand capability without compromising comfort. Located in Breaux Bridge, LA, this GMC Sierra 2500 AT4 is competitively priced to move swiftly—take advantage of the best price today. Schedule a test drive to experience diesel power, advanced tech, and true off-road confidence in one impressive truck.
Equipment
The steering wheel audio controls on this 3/4 ton pickup keep the volume and station within easy reach. An off-road package is installed on this 3/4 ton pickup so you are ready for your four-wheeling best. Bluetooth technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. Protect it from unwanted accidents with a cutting edge backup camera system. It has auto-adjust speed for safe following. This vehicle warns of approaching vehicles with Cross-Traffic Alert. It offers Apple CarPlay for seamless connectivity. The leather seats in this GMC Sierra are a must for buyers looking for comfort, durability, and style. It's Lane Departure Warning helps keep you in your lane. Start it from inside with remote start. Engulf yourself with the crystal clear sound of a BOSE sound system in it. This unit is pure luxury with a heated steering wheel.
Packages
Max Trailering Package: 11. 750 lbs (5. 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package. 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. Power-Retractable Black Assist Steps. Technology Package. Power Sunroof. Body Color Wheel Arch Moldings. MulitPro Audio System by Kicker. Gooseneck/5th Wheel Prep Package. Hitch Package. Rear Underseat Storage. GMC MultiPro Tailgate Step Lights. 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
- Max Trailering Package: 11
- 750 lbs (5
- 330 Kg) GVWR; Gooseneck/5th Wheel Prep Package
- 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
- Power-Retractable Black Assist Steps
- Technology Package
- Power Sunroof
- Body Color Wheel Arch Moldings
- MulitPro Audio System by Kicker
- Gooseneck/5th Wheel Prep Package
- Hitch Package
- Rear Underseat Storage
- GMC MultiPro Tailgate Step Lights
- 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
- 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
- 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
- Bose speakers
- OnStar vehicle integrated emergency SOS system
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