Meet the 2026 GMC Sierra 2500HD Denali Ultimate, a premium diesel crew cab engineered for serious work and refined living. With its commanding Onyx Black exterior, Alpine Umber leather interior, and the legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission, this truck delivers capability without compromise. Four-wheel drive and 4,500 miles of selective use make this 4WD powerhouse feel virtually new.
**Key Features:**
- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic Transmission
- Gooseneck/5th Wheel Prep Package â" ready for heavy towing applications
- Bose Premium 12-Speaker Audio System with SiriusXM 360L
- 15" Diagonal Multicolor Head-Up Display
- Heated and Ventilated Front Seats with 16-Way Power Adjustment
- Off-Road Package with Active Transfer Case and Hill Descent Control
- Signature Denali Ultimate Grille with Vadar Chrome Finish
- HD Surround Vision and Trailer-Side Blind Zone Alert
- Apple CarPlay/Android Auto with Wireless Phone Projection
- Heated Leather Steering Wheel and Auto-Dimming Interior/Exterior Mirrors
**Certification:**
This Sierra carries Car Bravo Certification, backed by comprehensive coverage and roadside support.
This is your opportunity to own a truck that meets the highest standards of capability and comfort. Contact us today to schedule a test drive and experience the Sierra 2500HD Denali Ultimate difference.
Certification Program Details: 12-Month/12,000-Mile Bumper-to-Bumper Limited Warranty**, whichever comes first, if labeled a CarBravo vehicle, which is in addition to and begins upon the expiration of any remaining original factory warranty. 24-Hour Roadside Assistance Towing Assistance â" To the closest CarBravo and/or GM dealer from a legal roadway ⢠Flat Tire Change â" Service consists of the removal of the flat tire and replacing it with the covered vehicle's spare tire ⢠Emergency Fuel Delivery â" Up to $5 of fuel ⢠Oil, Fluid and Water Delivery Service â" Oil, fluid and water will be delivered if the covered vehicle is in immediate need. Payment for these fluids is the customer's responsibility, due at delivery. These benefits are not reimbursable ⢠Vehicle Lock-Out Assistance â" If the customer's keys are locked inside the covered vehicle, assistance will be provided to gain entry to the Covered Vehicle (costs for a new key and labor are not covered) ⢠Battery Jump-Start Service *Car
2026 GMC Sierra 2500HD Denali Ultimate
- Certified vehicle
- Diesel
Deacon Jones GM of Smithfield
The highlights
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
The full 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 wheel independent suspension
- Power steering
- Single rear wheels
- Speed-sensing steering
- Tires: all-terrain
- 1st row LCD monitors: 2
- Premium audio system: Premium GMC Infotainment System
- Primary LCD size: 13.4"
- 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
- 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")
- 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")
- 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
- Traction control
Notes from the dealer
Peace of mind
Vehicle history report
- Title information
- Odometer readings
- Accident data (if applicable)
- Service history
- Vehicle usage
- Recall information (if applicable)
- Warranty status
A name you can trust
Deacon Jones Chrysler Dodge Jeep is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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* The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges and any documentation charges. A negotiable administration fee, up to $115, may be added to the price of the vehicle.
* Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.