Vehicle Details
Shop this 2026 GMC Sierra 2500 AT4 in Breaux Bridge, LA and experience heavy-duty capability with refined comfort. Powered by a robust V8, 6.6L Gasoline engine and confident 4WD, this GMC Sierra 2500 AT4 is built to handle demanding jobs, weekend towing, and everyday driving with ease. The AT4 trim adds rugged style, off-road capability, and premium features that make every mile more enjoyable. Inside, enjoy modern tech and convenience including Apple CarPlay, a Back-Up Camera, Lane Departure Warning, Remote Start, and a Heated Steering Wheel. Stay connected, see more clearly when backing up, and start your truck from a distance before heading out. The heated steering wheel adds comfort on cold mornings, while advanced safety features help support confidence behind the wheel. If you are looking for a powerful GMC Sierra 2500 HD near Breaux Bridge, LA, this 2026 GMC Sierra 2500 AT4 delivers the capability, technology, and comfort today's truck shoppers want. Visit us to see this hard-working pickup in person and take it for a test drive. Whether you need a dependable work truck or a premium family hauler, the GMC Sierra 2500 AT4 stands out with bold design, advanced driver assistance, and impressive strength for hauling, towing, and travel across Louisiana in every season and on every road ahead.
Equipment
The leather seats in the GMC Sierra are a must for buyers looking for comfort, durability, and style. Apple CarPlay: Seamless smartphone integration for this GMC Sierra - stay connected and entertained on the go! The vehicle comes equipped with Android Auto for seamless smartphone integration on the road. Protect this unit from unwanted accidents with a cutting edge backup camera system. This 3/4 ton pickup features a high end BOSE stereo system. This unit features a hands-free Bluetooth phone system. Start this GMC Sierra from inside with remote start. The vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. Keep your hands warm all winter with a heated steering wheel in the GMC Sierra . The GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. The vehicle has auto-adjust speed for safe following. This 3/4 ton pickup has four wheel drive capabilities.
New 2026 GMCSierra 2500 HD AT4
- Exterior Color
- Summit White
- Interior Color
- Jet Black
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- 10-speed automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT4UPE7XTF326314
- Stock Number
- 26GB5110
Highlighted Features
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Power moonroof
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
Included Packages & Accessories
- 1st and 2nd Rows All-Weather Floor Liners
- Federal Emissions Requirements
- 3.73 Rear Axle Ratio
- GVWR: 10,850 lbs
- Engine: 6.6L V8 with Direct Injection and Variable Valve Timing
- Heavy-Duty 80 Amp Battery
- Transmission: 10-Speed Automatic
- AT4 Premium Plus Package
- AT4 Preferred Package
- Universal Home Remote
- Power Sliding Rear Window with Defogger
- LED Smoked Amber Roof Marker Lamps
- Power Sunroof
- Technology Package
- Inside Rearview Auo-Dimming Rear Camera Mirror
- Multicolor 15" Diagonal Head-Up Display
- Off-Road High Clearance Step
- Hitch Package
- Rear Underseat Storage
- Gooseneck/5th Wheel Prep Package
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
- Moonroof sunshade: manual
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power moonroof
- 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 tires: 275/65SR20.0E
- Front wheel independent suspension
- Power steering
- Rear tires: 275/65SR20.0E
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- Wheel size: 20"
- 1st row LCD monitors: 2
- AM/FM radio: SiriusXM with 360L
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 13.4"
- Satellite radio trial duration with new vehicle purchase (months): 3
- 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
- Maintenance warranty: 12 months/ unlimited distance
- Powertrain warranty: 60 months/60,000miles
- Roadside assistance coverage: 60 months/60,000miles
- 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
- Compressor: Not Available
- Cylinder configuration: V-8
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine liters: 6.6L
- Engine location: front
- Fuel tank capacity: 36.0gal.
- Horsepower: 401hp @ 5,200RPM
- 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
- Number of valves: 16
- Rear locking differential
- Recommended fuel: Regular Unleaded
- Standard fuel economy fuel type: gasoline
- Torque: 464 lb.-ft. @ 4,000RPM
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 257mm (10.1")
- 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
- Trailer hitch
- Trailer sway control
- Turn signal indicator mirrors
- Compression ratio: 10.80 to 1
- Curb weight: 3,347kg (7,378lbs)
- Engine bore x stroke: 103.3mm x 98.0mm (4.07" x 3.86")
- Engine displacement: 6.6 L
- Engine torque: 464 lb.-ft. @ 4,000RPM
- Exterior body width: 2,079mm (81.8")
- Exterior height: 2,027mm (79.8")
- Exterior length: 6,369mm (250.8")
- Front headroom: 1,013mm (39.9")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- GVWR: 4,921kg (10,850lbs)
- Payload: 1,555kg (3,428lbs)
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,659mm (65.3")
- Towing capacity: 7,257kg (16,000lbs)
- Turning radius: 8.0m (26.3')
- Wheelbase: 4,039mm (159.0")
- Appearance: digital/analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera cargo
- 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 Departure Warning warning
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Parking sensors: UltraSonic 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 Alert warning
- Security system
- Tracker system: Stolen Vehicle Assistance
- Traction control
Dealer Notes
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