2026 GMC Sierra AT4
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GMC Sierra Details
Automatic
6 Cyl, 3.0L
Volcanic Red Tintcoat
4WD
Diesel
2,503 Miles
Jet Black w/Kalahari Accents
26GB4570
3GTUUEE80TG180033
1500
Leather
AT4
About This 2026 GMC Sierra
Vehicle Details
Discover the capable and refined 2026 GMC Sierra 1500 AT4 4WD, now available in Breaux Bridge, LA, at the best price. This rugged yet sophisticated pickup pairs a fuel-efficient 3.0L turbocharged V6 diesel with advanced four-wheel drive, delivering impressive torque for towing, confident off-road performance, and excellent highway fuel economy. The AT4 trim brings a purposeful suspension, off-road-ready features, and premium touches that make this GMC Sierra both durable and comfortable. Step inside to find leather seats that provide support and luxury for daily commutes or long hauls, while Remote Start adds convenience for Louisiana mornings and evenings. Stay connected on the go with Android Auto compatibility and an intuitive infotainment system, plus XM Radio for endless listening options. Safety and driver assistance features include Lane Keep Assist to help maintain lane position and reduce fatigue on longer drives. This GMC Sierra 1500 AT4 blends capability and technology with a towing-friendly chassis, available bed features, and advanced terrain management for confident handling across varied conditions. Whether you need a dependable work truck, a weekend adventure vehicle, or a comfortable family hauler, this 2026 GMC Sierra 1500 AT4 4WD with the 3.0L diesel engine checks every box — and it's priced to sell. Visit our Breaux Bridge, LA location to see it today and take advantage of the best price available.
Equipment
The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. You'll never again be lost in a crowded city or a country region with the navigation system on this GMC Sierra. Keep your hands warm all winter with a heated steering wheel in the vehicle . This 1/2 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. An off-road package is equipped on this 1/2 ton pickup. This GMC Sierra comes equipped with Android Auto for seamless smartphone integration on the road. It features a hands-free Bluetooth phone system. Apple CarPlay: Seamless smartphone integration for this vehicle - stay connected and entertained on the go! Start this 2026 GMC Sierra 1500 from inside with remote start. Lane Keep Assist in this GMC Sierra helps maintain safe driving by gently steering to stay within the lane.
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. Volcanic Red Tintcoat. **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 the capable and refined 2026 GMC Sierra 1500 AT4 4WD, now available in Breaux Bridge, LA, at the best price. This rugged yet sophisticated pickup pairs a fuel-efficient 3.0L turbocharged V6 diesel with advanced four-wheel drive, delivering impressive torque for towing, confident off-road performance, and excellent highway fuel economy. The AT4 trim brings a purposeful suspension, off-road-ready features, and premium touches that make this GMC Sierra both durable and comfortable. Step inside to find leather seats that provide support and luxury for daily commutes or long hauls, while Remote Start adds convenience for Louisiana mornings and evenings. Stay connected on the go with Android Auto compatibility and an intuitive infotainment system, plus XM Radio for endless listening options. Safety and driver assistance features include Lane Keep Assist to help maintain lane position and reduce fatigue on longer drives. This GMC Sierra 1500 AT4 blends capability and technology with a towing-friendly chassis, available bed features, and advanced terrain management for confident handling across varied conditions. Whether you need a dependable work truck, a weekend adventure vehicle, or a comfortable family hauler, this 2026 GMC Sierra 1500 AT4 4WD with the 3.0L diesel engine checks every box — and it's priced to sell. Visit our Breaux Bridge, LA location to see it today and take advantage of the best price available.
Equipment
The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. You'll never again be lost in a crowded city or a country region with the navigation system on this GMC Sierra. Keep your hands warm all winter with a heated steering wheel in the vehicle . This 1/2 ton pickup has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. An off-road package is equipped on this 1/2 ton pickup. This GMC Sierra comes equipped with Android Auto for seamless smartphone integration on the road. It features a hands-free Bluetooth phone system. Apple CarPlay: Seamless smartphone integration for this vehicle - stay connected and entertained on the go! Start this 2026 GMC Sierra 1500 from inside with remote start. Lane Keep Assist in this GMC Sierra helps maintain safe driving by gently steering to stay within the lane.
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. Volcanic Red Tintcoat. **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
- Volcanic Red Tintcoat
- 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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