2026 GMC Sierra 2500 HD Denali Ultimate

  • Certified vehicle
  • Diesel
$86,995Price
$87,695Corwin Price
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    The overview

    Stock Number
    2382608
    Engine
    V-8 cyl
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    VIN
    1GT4UXEY9TF382608
    Odometer
    10 miles
    Exterior Color
    Onyx Black
    Interior Color
    Alpine Umber
    Body/Seating
    Truck Crew Cab/5 seats
    • This Vehicle is GMC OEM Certified

    The highlights

    • 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

    A closer look at what’s included

    Included Options
    • Gooseneck/5th Wheel Prep Package
    • Hitch Package
    • Max Trailering Package
    • Preferred Equipment Group 5SB
    • Technology Package
    • X31 Off-Road Package
    • 12 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Bose Premium Series 12-Speaker System
    • Premium audio system: Premium GMC Infotainment System
    • Radio: AM/FM Stereo with Premium GMC Infotainment System
    • SiriusXM with 360L Trial Subscription
    • Steering Wheel Audio Controls
    • Air Conditioning
    • Automatic temperature control
    • Electric Rear-Window Defogger
    • Front dual zone A/C
    • Rear window defroster
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Heads-Up Display
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Push Button Start
    • Remote keyless entry
    • Remote Vehicle Starter System
    • Steering wheel mounted audio controls
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open and Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power moonroof
    • Power Sunroof
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Hill Descent Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Unauthorized Entry Theft-Deterrent System
    • Speed control
    • 2-Speed Active Transfer Case
    • 220-Amp Alternator
    • Block heater
    • Dual Heavy-Duty 70 Amp Battery
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Power door mirrors
    • Rear step bumper
    • Rear Wheelhouse Liners
    • Signature Denali Ultimate Grille in Vadar Chrome
    • Spray-on Pickup Bedliner with GMC Logo
    • Turn signal indicator mirrors
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Bed View Camera with Two Trailer Camera Provisions
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Floor-Mounted Center Console
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Garage door transmitter
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • HD Surround Vision
    • Heated steering wheel
    • Illuminated entry
    • Inside Rearview Auo-Dimming Rear Camera Mirror
    • Leather steering wheel
    • Multicolor 15" Diagonal Head-Up Display
    • OnStar Services Capable
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear Cross Traffic Alert
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trailer Cam Provisions and Trailer Viewing Software
    • Trailer Side Blind Zone Alert
    • Trip computer
    • Ultrasonic Front and Rear Park Assist
    • Voltmeter
    • Wireless Charging
    • Wireless Phone Projection
    • 16-Way Power Driver Seat Adjuster with Lumbar
    • 16-Way Power Passenger Seat Adjuster with Lumbar
    • Front Bucket Seats
    • Front Center Armrest
    • Full Grain Leather Seat Trim
    • Heated 2nd Row Outboard Seats
    • Heated Driver and Front Outboard Passenger Seats
    • Heated front seats
    • Heated rear seats
    • Power passenger seat
    • Safety Alert Seat
    • Split folding rear seat
    • Ventilated Driver and Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance with Hitch View
    • in-Vehicle Trailering System App
    • Trailer Tire Pressure Monitor Sensors
    • Alloy wheels
    • Wheels: 20" Ultra-Bright Machined Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Front Passenger Windows with Express Up/Down
    • Power Sliding Rear Window with Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Axle Ratio
    • 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
    7.2 KW Onboard Power

    Meet the 2026 GMC Sierra 2500HD Denali Ultimate in striking Onyx Black with Alpine Umber leather throughout. Built on the legendary Duramax 6.6L V8 Turbodiesel engine and backed by a smooth 10-speed automatic transmission, this 4WD crew cab delivers serious capability paired with refined luxury. Just 3 miles on the odometer shows this truck has barely been broken in, ready to serve as your command center for work and adventure alike.

    - MAX TRAILERING PACKAGE with Gooseneck/5th Wheel Prep and Hitch Package
    - Advanced Trailering System with Bed View Camera, Trailer Cam Provisions, and Trailer Side Blind Zone Alert
    - Multicolor 15" Head-Up Display with Trailer Viewing Software
    - Bose Premium 12-Speaker Audio with SiriusXM 360L, Wireless Phone Projection, and Apple CarPlay/Android Auto
    - Interior comfort including heated and ventilated front seats, heated rear outboard seats, and Power Sunroof
    - Off-Road features: X31 Off-Road Package with 2-Speed Active Transfer Case, Hill Descent Control, and Off-Road Suspension
    - Safety leadership: HD Surround Vision, Rear Cross Traffic Alert, Automatic Emergency Braking, and Ultrasonic Park Assist
    - Premium convenience: Push Button Start, Remote Vehicle Starter, Wireless Charging, universal remote capability, and 7.2 KW onboard power
    - Signature Denali Ultimate details: Vadar Chrome grille, spray-on bedliner with GMC logo, and LED lighting throughout
    - Technology package with OnStar capability, keyless entry/start, and innovative Hitch Guidance with in-vehicle app integration

    This Sierra Denali Ultimate represents the pinnacle of heavy-duty truck sophistication. Come experience the commanding presence and refined appointments that set this truck apart from the crowd.

    KBB.com Consumer Reviews

    Kelley Blue Book Logo3.6out of 5 overall
    • 4.0

      Great truck , bad mileage

      by Dream truck owner on 11/8/2026 8:42:28 PM

      This truck has everything you want from a luxury heavy duty truck. The backseat is spacious enough to hold adults on road trips. It's got enough power to tow and haul a trailer fully loaded with wood. Four-wheel drive works spectacularly. All the interior amenities just increase the interior comfort. The seats are fantastic. Two things make it bring it down to a four-star, those are visibility out of the mirrors even with the cameras and fuel mileage which is to be expected with a big V8, just thought maybe even hauling empty, It would be above 16 or 17. All in all fantastic. Comfortable truck, mechanically no issues The infotainment center is a little bit buggy, but that doesn't bother me much. Quick reset and you're good to go…
    • 5.0

      Love this Truck!

      by Erick on 2/25/2026 11:54:52 AM

      Haven't had a problem with it 140k haven't touched it other than fluids and filters! Top of the line,!…
    • 5.0

      Fantastic Truck

      by TK2Camo on 2/14/2024 1:18:29 PM

      Solid and dependable, I still love this truck! Absolutely zero issues. Whether it's load after a home improvement run, pulling the camper into the mountains or across the country, or shifted into 4-wheeldrive...it does its job with excellence.…
    All reviews on KBB.com
    Based on 9 consumer ratings for 2020–2026 models. Privacy
      *Picture may not represent actual vehicle. Price varies based on Trim Levels and Options. See Dealer for in-stock inventory & actual selling price. All prices plus tax, title & registration fees with approved credit. MSRP includes delivery, processing, and handling fees. Dealer documentation fee not included; fee amount varies by location. Instant savings in the form of dealer discounts. Please contact the dealer directly to confirm that the information provided on this page is accurate. Not all original features are included.