2026 GMC Sierra AT4
GMC Sierra Details
Automatic
6 Cyl, 3.0L
Sterling Metallic
4WD
Diesel
5 Miles
Jet Black w/Kalahari Accents
26GB4725
1GTUUEE86TZ222205
1500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
Discover rugged capability and refined comfort with this 2026 GMC Sierra 1500 AT4 4WD, available now in Breaux Bridge, LA. Powered by a fuel-efficient 6-cylinder 3.0L diesel engine, this GMC Sierra delivers impressive torque and towing performance while maximizing fuel economy for long drives and heavy hauls. The AT4 trim equips you for off-road adventures with a dedicated Off-Road Package, enhanced suspension, and confidence-inspiring 4WD. Inside, enjoy premium features including a BOSE stereo system for rich sound, Android Auto integration for seamless smartphone connectivity, and steering wheel audio controls for safe, convenient operation. The heated steering wheel adds warmth and comfort on chilly mornings, rounding out an interior designed for both work and play. This 2026 GMC Sierra 1500 AT4 offers modern tech, serious capability, and a comfortable, driver-focused cabin. Located in Breaux Bridge, LA, this truck is competitively priced and advertised at the best price in the area — exceptional value for its class. Don't miss your chance to own a versatile diesel-powered 4x4 with premium audio, off-road readiness, and smart connectivity. Contact us today to schedule a test drive or to learn more about financing options and availability in Breaux Bridge.
Equipment
The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . This unit is equipped with the latest generation of XM/Sirius Radio. It features a high end BOSE stereo system. The vehicle offers Apple CarPlay for seamless connectivity. An off-road package is equipped on this 1/2 ton pickup. The installed navigation system will keep you on the right path. This 1/2 ton pickup's Lane Departure Warning helps keep you in your lane. The GMC Sierra offers Android Auto for seamless smartphone integration. Never get into a cold vehicle again with the remote start feature on this model. The vehicle stays safely in its lane with Lane Keep Assist. See what's behind you with the back up camera on the vehicle. The GMC Sierra features a hands-free Bluetooth phone system.
Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome 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; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; 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; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; 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; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Body Color Wheel Arch Moldings. 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.**
Discover rugged capability and refined comfort with this 2026 GMC Sierra 1500 AT4 4WD, available now in Breaux Bridge, LA. Powered by a fuel-efficient 6-cylinder 3.0L diesel engine, this GMC Sierra delivers impressive torque and towing performance while maximizing fuel economy for long drives and heavy hauls. The AT4 trim equips you for off-road adventures with a dedicated Off-Road Package, enhanced suspension, and confidence-inspiring 4WD. Inside, enjoy premium features including a BOSE stereo system for rich sound, Android Auto integration for seamless smartphone connectivity, and steering wheel audio controls for safe, convenient operation. The heated steering wheel adds warmth and comfort on chilly mornings, rounding out an interior designed for both work and play. This 2026 GMC Sierra 1500 AT4 offers modern tech, serious capability, and a comfortable, driver-focused cabin. Located in Breaux Bridge, LA, this truck is competitively priced and advertised at the best price in the area — exceptional value for its class. Don't miss your chance to own a versatile diesel-powered 4x4 with premium audio, off-road readiness, and smart connectivity. Contact us today to schedule a test drive or to learn more about financing options and availability in Breaux Bridge.
Equipment
The leather seats in this vehicle are a must for buyers looking for comfort, durability, and style. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . This unit is equipped with the latest generation of XM/Sirius Radio. It features a high end BOSE stereo system. The vehicle offers Apple CarPlay for seamless connectivity. An off-road package is equipped on this 1/2 ton pickup. The installed navigation system will keep you on the right path. This 1/2 ton pickup's Lane Departure Warning helps keep you in your lane. The GMC Sierra offers Android Auto for seamless smartphone integration. Never get into a cold vehicle again with the remote start feature on this model. The vehicle stays safely in its lane with Lane Keep Assist. See what's behind you with the back up camera on the vehicle. The GMC Sierra features a hands-free Bluetooth phone system.
Packages
AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome 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; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; 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; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; 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; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks. AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote. Off-Road High Clearance Step. Power Sunroof. Body Color Wheel Arch Moldings. 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
- AT4 Premium Package: Off-Road High Clearance Step
- Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror
- Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome 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; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; 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; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; 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; 20" X 9" Machined Aluminum Wheels; Auto-Locking Rear Differential; Power Door Locks
- AT4 Preferred Package: Power Sliding Rear Window with Rear Defogger; Universal Home Remote
- Off-Road High Clearance Step
- Power Sunroof
- Body Color Wheel Arch Moldings
- 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
- cushion tilt
- 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
- Trailer light test
- Trailer light malfunction warning
- Trailer theft alarm
- Dual-zone front climate control
- Voice-activated climate control
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