Vehicle Details
Explore rugged capability and premium comfort in this 2026 GMC Sierra 1500 AT4 4WD, now available in Breaux Bridge, LA. Built for drivers who want serious performance and refined design, this GMC Sierra AT4 pairs a 6-cylinder, 3.0L Diesel engine with confident four-wheel drive for dependable towing, hauling, and everyday versatility. Whether you are navigating local roads, heading to the jobsite, or taking on weekend adventures, this truck is engineered to deliver strong power and composed control. Inside, the GMC Sierra 1500 AT4 offers a well-appointed cabin designed with convenience and comfort in mind. Leather seats add a touch of sophistication, while Hands Free Bluetooth helps you stay connected on the go. Advanced driver assistance features such as Adaptive Cruise Control and Lane Departure Warning support a more confident driving experience on highways and busy commutes. A Back-Up Camera provides added visibility when reversing and parking, making daily driving easier in tighter spaces. With bold GMC styling, premium interior appointments, and proven diesel capability, this 2026 GMC Sierra 1500 AT4 stands out as a versatile pickup for work and recreation. If you are searching for a powerful, well-equipped 4WD truck in Breaux Bridge, LA, this GMC Sierra AT4 deserves a closer look.
Equipment
Keep your hands warm all winter with a heated steering wheel in it . This model features a high end BOSE stereo system. This GMC Sierra features a hands-free Bluetooth phone system. The leather seats in this unit are a must for buyers looking for comfort, durability, and style. The vehicle has auto-adjust speed for safe following. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The installed navigation system will keep you on the right path. Start this 2026 GMC Sierra 1500 from inside with remote start. See what's behind you with the back up camera on it. Apple CarPlay: Seamless smartphone integration for this 2026 GMC Sierra 1500 - stay connected and entertained on the go! The vehicle stays safely in its lane with Lane Keep Assist. This vehicle offers Android Auto for seamless smartphone integration. This GMC Sierra has a 6 Cyl, 3.0L high output engine.
New 2026 GMCSierra 1500 AT4
- Diesel
- Exterior Color
- Gray
- Interior Color
- Jet Black
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Fuel Economy
- 22/26 MPG City/Hwy
- Transmission
- 10-speed automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- VIN
- 1GTUUEE84TZ422130
- Stock Number
- 26GB5058
GMC
Sierra 1500
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
- Front dual zone A/C
Included Packages & Accessories
- ALL-WEATHER FLOOR LINERS (DEALER INSTALLED)
- POWER SUNROOF
- TECHNOLOGY PACKAGE
- GVWR 7;200 LBS. (3;266 KG)
- 50-STATE EMISSIONS
- REAR AXLE - 3.23 RATIO
- STERLING METALLIC
- ENG: DURAMAX 3.0L TURBO-DIESE
- TRANSMISSION: 10-SPEED AUTO
- AT4 PREMIUM PACKAGE AT4 PREFERRED PACKAGE
- CUSTOMER DIALOGUE NETWORK
- WHEEL LOCKS; SET OF 4 (DEALER INSTALLED)
- AT4 PREMIUM PACKAGE DISCOUNT
- DEALER IMR CONTRIBUTION
- LMA GROUP CONTRIBUTION
- 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
- 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
- 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
- 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
- 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
- Full gauge cluster screen
- IntelliBeam auto high-beam headlights
- Immobilizer
- Bose speakers
Detailed Specifications
- 1-touch down
- 1-touch up
- Adaptive Cruise Control
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Surround View Monitor: HD Surround Vision w/Hitch View yes
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless Phone Charger: front
- Wireless phone connectivity: Bluetooth
- Basic warranty: 36 months/36,000miles
- Corrosion perforation warranty: 72 months/100,000miles
- Diesel engine warranty: 60 months/100,000miles
- Maintenance warranty: 12 months/ unlimited distance
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Block heater
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 22mpg
- Fuel economy combined: 24mpg
- Fuel economy highway: 26mpg
- Fuel tank capacity: 24.0gal.
- Hybrid electric powertrain type: none
- Hybrid system combined power torque: none
- Hybrid system net power: none
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Transmission: 10 speed automatic
- Variable intake manifold
- Variable valve control
- Approach angle: 26 deg
- Departure angle: 23 deg
- Ground clearance (min): 282mm (11.1")
- Ramp breakover angle: 21 deg
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Tailpipe finisher: chrome
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,990mm (78.3")
- Exterior length: 5,916mm (232.9")
- Front hiproom: 1,544mm (60.8")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,638mm (64.5")
- Greenhouse Gas Score (GG): 4
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,505mm (59.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,626mm (64.0")
- Turning radius: 7.2m (23.7')
- Wheelbase: 3,747mm (147.5")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: Front and Rear Park Assist front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Rear collision: Rear Cross Traffic Braking mitigation
- Security system
- Traction control
Dealer Notes
- We're here to help: (866) 980-1196

