Vehicle Details
Power, luxury, and advanced capability come together in this 2026 GMC Sierra 2500 Denali Ultimate 4WD, now available in Breaux Bridge, LA. Built to handle demanding work and elevated weekend adventures, this heavy-duty pickup pairs a commanding 6.6L V8 Diesel engine with confident four-wheel-drive performance, giving you the strength and control you want in a premium truck. Inside, the GMC Sierra 2500 Denali Ultimate surrounds you with refined comfort and upscale craftsmanship. Premium leather seats create a first-class cabin experience, while the heated steering wheel adds comfort on chilly mornings. Remote Start makes getting on the road easier than ever, and Apple CarPlay keeps your favorite apps, music, navigation, and contacts close at hand. Cross-Traffic Alert adds an extra layer of awareness, helping you drive and park with added confidence. From its bold exterior presence to its sophisticated interior details, this 2026 GMC Sierra 2500 Denali Ultimate delivers the perfect balance of rugged capability and modern luxury. Whether you need a dependable diesel truck for towing, hauling, or everyday driving, this GMC Sierra stands ready to impress. If you're searching for a premium GMC Sierra 2500 for sale in Breaux Bridge, LA, this Denali Ultimate deserves a close look today.
Equipment
This unit has auto-adjust speed for safe following. Protect this 3/4 ton pickup from unwanted accidents with a cutting edge backup camera system. The vehicle offers Apple CarPlay for seamless connectivity. The GMC Sierra warns of approaching vehicles with Cross-Traffic Alert. Keep your hands warm all winter with a heated steering wheel in this 3/4 ton pickup . This GMC Sierra offers Android Auto for seamless smartphone integration. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. Never get into a cold vehicle again with the remote start feature on it. Bluetooth technology is built into this vehicle, keeping your hands on the steering wheel and your focus on the road. This 3/4 ton pickup's Lane Departure Warning keeps you safe by alerting you when you drift from your lane. The GMC Sierra has four wheel drive capabilities. Maintaining a stable interior temperature in the GMC Sierra is easy with the climate control system.
New 2026 GMCSierra 2500 HD Denali Ultimate
- Diesel
- Exterior Color
- Onyx Black
- 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
- 1GT4UXEY8TF348403
- Stock Number
- 26GB5138
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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