2026 GMC Sierra AT4X
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GMC Sierra Details
Automatic
6 Cyl, 3.0L
Sterling Metallic
4WD
Diesel
0 Miles
Obsidian Rush
26GB4814
3GTUUFE83TG291892
1500
Leather
AT4X
About This 2026 GMC Sierra
Vehicle Details
2026 GMC Sierra 1500 AT4X 4WD with 3.0L I6 Diesel — located in Breaux Bridge, LA — is ready for work, trail, and highway with premium capability and rugged style. This AT4X model pairs a fuel-efficient 6-cylinder, 3.0L diesel engine with advanced four-wheel drive to deliver strong torque, confident towing, and long-range highway efficiency. The engineered Off-Road Package adds skid plates, upgraded suspension, and terrain-ready tires so you can tackle rough trails with composure. Safety and convenience features include Lane Departure Warning and a Back-Up Camera to help keep you aware on crowded streets and tight parking situations. Inside, enjoy XM Radio for endless entertainment and Steering Wheel Audio Controls for safe, hands-on adjustments while driving. Premium AT4X touches bring supportive seating, durable trim, and purposeful accents that blend comfort with capability. This GMC Sierra 1500 AT4X is positioned as the best price in the area, offering exceptional value for a top-tier off-road-capable full-size pickup. Located in Breaux Bridge, LA, it's easy to test drive and compare against other trucks in inventory. If you want diesel torque, dependable 4WD, advanced driver aids, and a ready-for-adventure Off-Road Package, this GMC Sierra 1500 AT4X delivers — contact the Breaux Bridge location to schedule your appointment and see why this offer stands out.
Equipment
The leather seats in this model are a must for buyers looking for comfort, durability, and style. The installed navigation system will keep you on the right path. An off-road package is installed on it so you are ready for your four-wheeling best. This unit has auto-adjust speed for safe following. The steering wheel audio controls on this vehicle keep the volume and station within easy reach. Protect this 1/2 ton pickup from unwanted accidents with a cutting edge backup camera system. This 1/2 ton pickup is equipped with the latest generation of XM/Sirius Radio. Keep your hands warm all winter with a heated steering wheel in this model . Bluetooth technology is built into it, keeping your hands on the steering wheel and your focus on the road. This GMC Sierra's Lane Departure Warning helps keep you in your lane. It comes equipped with Android Auto for seamless smartphone integration on the road.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; Power Sliding Rear Window with Rear Defogger; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Gloss Black Header with Dark Nickel Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Driver-Selectable Full-Locking Front Differential; Heated 2nd Row Outboard Seats; Off-Road Suspension; Power Front Passenger Windows with Express Up/down; Driver-Selectable Full-Locking Rear Differential; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series with 12- Speaker System; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; Floor-Mounted Center Console; MultiPro Tailgate Audio System by Kicker; Bed View Camera; Rear Cross Traffic Braking; Trailer Tire Pressure Monitor System; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; Universal Home Remote; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; Power Door Locks. Off-Road High Clearance Step. Sterling Metallic. Rear Underseat Storage. **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.**
2026 GMC Sierra 1500 AT4X 4WD with 3.0L I6 Diesel — located in Breaux Bridge, LA — is ready for work, trail, and highway with premium capability and rugged style. This AT4X model pairs a fuel-efficient 6-cylinder, 3.0L diesel engine with advanced four-wheel drive to deliver strong torque, confident towing, and long-range highway efficiency. The engineered Off-Road Package adds skid plates, upgraded suspension, and terrain-ready tires so you can tackle rough trails with composure. Safety and convenience features include Lane Departure Warning and a Back-Up Camera to help keep you aware on crowded streets and tight parking situations. Inside, enjoy XM Radio for endless entertainment and Steering Wheel Audio Controls for safe, hands-on adjustments while driving. Premium AT4X touches bring supportive seating, durable trim, and purposeful accents that blend comfort with capability. This GMC Sierra 1500 AT4X is positioned as the best price in the area, offering exceptional value for a top-tier off-road-capable full-size pickup. Located in Breaux Bridge, LA, it's easy to test drive and compare against other trucks in inventory. If you want diesel torque, dependable 4WD, advanced driver aids, and a ready-for-adventure Off-Road Package, this GMC Sierra 1500 AT4X delivers — contact the Breaux Bridge location to schedule your appointment and see why this offer stands out.
Equipment
The leather seats in this model are a must for buyers looking for comfort, durability, and style. The installed navigation system will keep you on the right path. An off-road package is installed on it so you are ready for your four-wheeling best. This unit has auto-adjust speed for safe following. The steering wheel audio controls on this vehicle keep the volume and station within easy reach. Protect this 1/2 ton pickup from unwanted accidents with a cutting edge backup camera system. This 1/2 ton pickup is equipped with the latest generation of XM/Sirius Radio. Keep your hands warm all winter with a heated steering wheel in this model . Bluetooth technology is built into it, keeping your hands on the steering wheel and your focus on the road. This GMC Sierra's Lane Departure Warning helps keep you in your lane. It comes equipped with Android Auto for seamless smartphone integration on the road.
Packages
Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; Power Sliding Rear Window with Rear Defogger; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Gloss Black Header with Dark Nickel Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Driver-Selectable Full-Locking Front Differential; Heated 2nd Row Outboard Seats; Off-Road Suspension; Power Front Passenger Windows with Express Up/down; Driver-Selectable Full-Locking Rear Differential; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series with 12- Speaker System; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; Floor-Mounted Center Console; MultiPro Tailgate Audio System by Kicker; Bed View Camera; Rear Cross Traffic Braking; Trailer Tire Pressure Monitor System; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; Universal Home Remote; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; Power Door Locks. Off-Road High Clearance Step. Sterling Metallic. Rear Underseat Storage. **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; Power Sliding Rear Window with Rear Defogger; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Gloss Black Header with Dark Nickel Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Driver-Selectable Full-Locking Front Differential; Heated 2nd Row Outboard Seats; Off-Road Suspension; Power Front Passenger Windows with Express Up/down; Driver-Selectable Full-Locking Rear Differential; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series with 12- Speaker System; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; Floor-Mounted Center Console; MultiPro Tailgate Audio System by Kicker; Bed View Camera; Rear Cross Traffic Braking; Trailer Tire Pressure Monitor System; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; Universal Home Remote; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Wheelhouse Liners; Power Door Locks
- Off-Road High Clearance Step
- Sterling Metallic
- Rear Underseat Storage
- 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
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Braking collision mitigation
- Adaptive cruise control with stop and go
- Head-up display
- Automatic Emergency Braking predictive brake assist system
- Cruise control with steering wheel mounted controls
- Ventilated driver and front passenger seats
- Integrated navigation system with voice activation
- Keyfob remote start
- Heated steering wheel
- Heated driver and front passenger seats
- Heated rear seats
- Leather front seat upholstery
- Primary monitor touchscreen
- 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
- articulating upper backrest
- fore/aft control and height adjustable control
- AutoTrac part and full-time 4WD
- Duramax 3L I-6 diesel direct injection
- DOHC
- variable valve control
- intercooled turbo
- diesel
- engine with 305HP
- Duramax 3L I-6 DOHC
- Front wireless smart device charging
- Google Built-In built-in virtual assistant
- Teen Driver restricted driving mode/alerts
- Rear Pedestrian Alert rear pedestrian detection warning
- 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
- 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
- GMC ProGrade Trailering System trailer tire pressure and temperature sensors
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
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