Vehicle Details
Experience premium heavy-duty capability with this 2026 GMC Sierra 2500 Denali Ultimate, now available in Breaux Bridge, LA. Built for drivers who demand commanding power, refined comfort, and advanced technology, this 4WD pickup is powered by a V8 6.6L Diesel engine engineered to handle tough jobs with confidence. From jobsite performance to weekend towing, the GMC Sierra 2500 Denali Ultimate delivers the strength and durability expected from a top-tier GMC truck. Inside, you'll find a luxurious cabin designed to elevate every drive. Premium materials, intuitive controls, and advanced connectivity create a first-class experience whether you're heading across town or across the state. Stay seamlessly connected with Android Auto and Hands Free Bluetooth, while the Back-Up Camera helps provide added awareness when parking or hitching up. Safety-focused features like Lane Departure Warning and Cross-Traffic Alert add valuable peace of mind on busy roads and crowded lots. This 2026 GMC Sierra 2500 Denali Ultimate combines rugged 4WD capability, diesel torque, and upscale sophistication in one impressive package. If you're looking for a powerful heavy-duty truck with modern technology and premium craftsmanship, this GMC Sierra 2500 deserves a closer look. Visit us in Breaux Bridge, LA today and discover why the Denali Ultimate stands out in the HD truck segment.
Equipment
This GMC Sierra offers Android Auto for seamless smartphone integration. This model warns of approaching vehicles with Cross-Traffic Alert. This 2026 GMC Sierra 2500 is pure luxury with a heated steering wheel. This model offers Apple CarPlay for seamless connectivity. This vehicle's Lane Departure Warning helps keep you in your lane. This GMC Sierra has auto-adjust speed for safe following. The leather seats in this unit are a must for buyers looking for comfort, durability, and style. Bluetooth technology is built into this 2026 GMC Sierra 2500, keeping your hands on the steering wheel and your focus on the road. Protect the vehicle from unwanted accidents with a cutting edge backup camera system. Start this model from inside with remote start. When you encounter slick or muddy roads, you can engage the four wheel drive on the vehicle and drive with confidence. With the keyless entry system on the vehicle you can pop the trunk without dropping your bags from the store.
New 2026 GMCSierra 2500 HD Denali Ultimate
- Diesel
- Exterior Color
- Glacier White Tricoat
- Interior Color
- Alpine Umber
- Body/Seating
- Truck Crew Cab/5 seats
- Seats
- 5 seats
- Transmission
- 10-speed automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GT4UXEY0TF348380
- Stock Number
- 26GB5096
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
- Federal Emissions Requirements
- 3.42 Axle Ratio
- GVWR: 11,350 lbs
- Engine: Duramax 6.6L Turbo-Diesel V8
- Dual Heavy-Duty 70 Amp Battery
- Transmission: 10-Speed Automatic
- Console-Mounted Safe
- Rear Underseat Storage
- GMC MultiPro Tailgate Step Lights
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
- Garage door transmitter
- 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 Performance Series
- Speakers: 12
- 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
- Powertrain warranty: 60 months/60,000miles
- Roadside assistance coverage: 60 months/60,000miles
- Front center armrest
- Front seats: bucket
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated front seats
- Heated rear seats
- Leather steering wheel
- Leather upholstery
- Max seating capacity: 5
- Power 4-way driver lumbar support
- Power 4-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
- Compressor: intercooled turbo
- 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: 470hp @ 2,800RPM
- 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: 32
- Rear locking differential
- Recommended fuel: Diesel
- Standard fuel economy fuel type: diesel
- Torque: 975 lb.-ft. @ 1,600RPM
- Transmission: 10 speed automatic
- Ground clearance (min): 257mm (10.1")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Door mirrors: chrome
- 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: 16.00 to 1
- Curb weight: 3,734kg (8,233lbs)
- Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
- Engine displacement: 6.6 L
- Engine torque: 975 lb.-ft. @ 1,600RPM
- 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: 5,148kg (11,350lbs)
- Payload: 1,404kg (3,096lbs)
- 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: 8,391kg (18,500lbs)
- 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
- Heads up display
- 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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