2026 GMC Sierra 2500 HD Denali Ultimate

  • New
  • Diesel
$98,880MSRP
$249Electronic Filing Fee
View price details
Finance Terms
Regal Automotive Group
Call 863-225-9790
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    The overview

    Exterior Color
    Glacier White Tricoat
    Interior Color
    Alpine Umber
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    V-8 cyl
    VIN
    1GT4UXEY9TF265076
    Stock Number
    26T365

      The highlights

      • Lane departure
      • Leather upholstery
      • Automatic temperature control
      • Emergency communication system
      • Power moonroof
      • Wireless phone connectivity
      • Parking sensors
      • Exterior parking camera front
      • Exterior parking camera left
      • Exterior parking camera right
      • Exterior parking camera rear
      • Front dual zone A/C

      A closer look at what’s included

      • Preferred Equipment Group 5SB
        • Sierra HD Pro Safety
        • Technology Package
        • Safety Alert Seat
        • Rear Cross Traffic Alert
        • Trailer Side Blind Zone Alert
        • Wireless Phone Projection
        • Bose Premium Series 12-Speaker System
        • SiriusXM with 360L Trial Subscription
        • Floor-Mounted Center Console
        • Electric Rear-Window Defogger
        • Push Button Start
        • Remote Vehicle Starter System
        • Keyless Open and Start
        • OnStar Services Capable
        • 120-Volt Instrument Panel Power Outlet
        • 120-Volt Bed Mounted Power Outlet
        • 2 Charge-Only Rear USB Ports
        • 2 USB Ports
        • 2 Charge/Data USB Ports Inside Center Console
        • Spray-on Pickup Bedliner with GMC Logo
        • HD Surround Vision
        • Bed View Camera with Two Trailer Camera Provisions
        • Trailer Cam Provisions and Trailer Viewing Software
        • Heated Driver and Front Outboard Passenger Seats
        • Ventilated Driver and Front Passenger Seats
        • Heated 2nd Row Outboard Seats
        • Deep-Tinted Glass
        • Signature Denali Ultimate Grille in Vadar Chrome
        • Steering Wheel Audio Controls
        • LED Smoked Amber Roof Marker Lamps
        • LED Cargo Area Lighting
        • Manual Tilt-Wheel/Telescoping Steering Column
        • Power Sunroof
        • Unauthorized Entry Theft-Deterrent System
        • Universal Home Remote
        • Power Sliding Rear Window with Defogger
        • Power Front Passenger Windows with Express Up/Down
        • Wireless Charging
        • Ultrasonic Front and Rear Park Assist
        • Rear Wheelhouse Liners
        • Front Rain-Sensing Wipers
        • X31 Off-Road Package
        • ProGrade Trailering System
        • Trailer Tire Pressure Monitor Sensors
        • 2-Speed Active Transfer Case
      • Sierra HD Pro Safety
        • Forward Collision Alert
        • Following Distance Indicator
        • Front Pedestrian Braking
        • IntelliBeam Automatic High Beam on/Off
        • Lane Departure Warning
        • Buckle to Drive
        • Automatic Emergency Braking
      • Front Bucket Seats
        • 16-Way Power Driver Seat Adjuster with Lumbar
        • 16-Way Power Passenger Seat Adjuster with Lumbar
        • Driver Memory
      • Engine: Duramax 6.6L Turbo-Diesel V8
        • Dual Heavy-Duty 70 Amp Battery
      • ProGrade Trailering System
        • Hitch Guidance with Hitch View
        • in-Vehicle Trailering System App
      • X31 Off-Road Package
        • Hill Descent Control
        • Skid Plates
        • Off-Road Suspension
      • Technology Package
        • Inside Rearview Auo-Dimming Rear Camera Mirror
        • Multicolor 15" Diagonal Head-Up Display
      Included Options
      • GVWR: 11,350 lbs
      • Wheels: 20" Ultra-Bright Machined Aluminum
      • Tires: LT275/65R20 AT BW
      • Transmission: 10-Speed Automatic
      • Heavy Duty Front Spring/Camper Package
      • High Idle Switch
      • Gooseneck/5th Wheel Prep Package
      • Deleted Mobile Service Plus
      • Radio: AM/FM Stereo with Premium GMC Infotainment System
      • 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 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
      • Primary LCD size: 13.4"
      • Satellite radio trial duration with new vehicle purchase (months): 3
      • Smart device integration: Apple CarPlay/Android Auto
      • Speaker type: brand
      • 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
      • Engine liters: 6.6L
      • Engine location: front
      • Fuel tank capacity: 36.0gal.
      • Horsepower: 470hp @ 2,800RPM
      • 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: 1,093mm (43.0")
      • 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
      Drivers in Lakeland, Polk County, and across Central Florida choose the Regal Automotive Group for a wide selection of new vehicles and a dealership experience built around convenience and transparency. With multiple locations in Lakeland, Regal makes it easy to find the right vehicle to fit your lifestyle.

      - Duramax 6.6L V8 Turbodiesel Engine with 10-Speed Automatic and 4WD
      - Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
      - Heavy Duty Front Spring/Camper Package for enhanced towing capability
      - X31 Off-Road Package with Hill Descent Control and off-road suspension
      - Multicolor 15" Diagonal Head-Up Display
      - HD Surround Vision with Bed View Camera and dual trailer camera provisions
      - Bose Premium Series 12-Speaker System with SiriusXM 360L satellite radio
      - Apple CarPlay and Android Auto with wireless phone projection
      - 16-Way Power Driver and Passenger Seat Adjusters with lumbar support
      - Full Grain Leather Seat Trim with heated and ventilated front seats
      - Heated rear seats and power moonroof
      - Ultrasonic Front and Rear Park Assist with trailer side blind zone alert
      - Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert
      - 20" Ultra-Bright Machined Aluminum wheels

      This 2026 GMC Sierra 2500HD Denali Ultimate comes finished in Glacier White Tricoat, presenting a commanding presence on the road. The truck is equipped with the Duramax 6.6L V8 Turbodiesel paired with a 10-Speed Automatic transmission and 4WD, delivering the power and capability serious truck owners demand. The truck comes prepared with the Gooseneck/5th Wheel Prep Package and Heavy Duty Front Spring/Camper Package, making it ready for the most demanding hauling and towing applications.

      The interior reflects Denali Ultimate refinement with full grain leather seat trim, 16-way power adjusters with lumbar support for both driver and passenger, and heated front seats with ventilation for all-day comfort. Heated rear seats ensure rear passengers stay comfortable in colder months. The power moonroof adds to the open-air experience, while the leather-wrapped steering wheel provides a premium feel with integrated audio controls.

      Technology seamlessly integrates into your daily drive with the Bose Premium Series 12-Speaker System and SiriusXM 360L satellite radio. The Multicolor 15" Diagonal Head-Up Display keeps essential information in your line of sight, while Apple CarPlay and Android Auto connectivity via wireless projection keeps you connected. Wireless charging and multiple USB ports throughout the cabin support your devices.

      Safety and visibility receive comprehensive attention through HD Surround Vision, Bed View Camera with dual trailer camera provisions, and advanced driver assistance features including Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert. Ultrasonic Front and Rear Park Assist makes maneuvering easier whether you're parking in tight spaces or guiding a trailer. The in-vehicle trailering system app and Hitch Guidance with Hitch View provide confidence when towing.

      The X31 Off-Road Package enhances capability with Hill Descent Control and off-road tuned suspension, suited for those who venture beyond paved surfaces. The spray-on pickup bedliner with GMC logo protects your cargo bed, while the Signature Denali Ultimate grille in Vader Chrome declares your truck's premium status.

      For nearly 50 years, the Regal Automotive Group has proudly served Lakeland and Polk County drivers. With a large inventory of quality vehicles, competitive pricing, and aggressive financing options, our team is committed to delivering a straightforward buying experience and excellent customer service. Price includes: $500 - GM First Responder Cash Allowance Program. Exp. 01/04/2027 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 09/30/2026

      Track your progress

       
       
       
       

      Peace of mind

      Factory warranty

      36 months/36,000miles from the vehicle's original in-service date

      Optional add-on protection

      • GAP Protection
      • Lifetime Powertrain
      • Tires and Wheels
      • Paint Protection

      A name you can trust

      Regal Automotive Group is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
      More about us

      KBB.com Consumer Reviews

      Kelley Blue Book Logo0.0out of 5 overall
        Price is plus tax, tag, title. A dealer fee of $989 and an Electronic Registration Filing Fee of $249 are included in the price, which charges represent costs and profits to the dealer for items such as inspecting, cleaning, and adjusting vehicles and preparing documents related to the sale. All advertised pricing is on in-stock units only and is inclusive of all applicable manufacturer offers and may not be combined with other exclusive offers. All payment quotes received assumes that taxes and fees will be paid at the time of sale by the customer in addition to the down payment amount stated or shown. Certain offers presume financing through the Manufacturer Captive Lender, subject to approved credit. Should you purchase the vehicle through the use of other funds, or through other lending sources, certain offers may be excluded. See dealer for complete details.