2026 GMC Sierra 3500HD Denali Ultimate

  • New
  • Diesel
$104,669$106,870 MSRP
CMA's Colonial Auto Center
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    The overview

    Exterior Color
    Glacier White Tricoat
    Interior Color
    Alpine Umber
    Body/Seating
    Truck/5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UYEY6TF270418
    Stock Number
    31988

      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

      • Premium Front Floor Liners with Removable Carpet Insert
        • Premium Rear Floor Liners with Removable Carpet Insert
      • Preferred Equipment Group 5SB
        • 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
        • 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
        • HD Surround Vision
        • Bed View Camera with Two Trailer Camera Provisions
        • Spray-on Pickup Bedliner with GMC Logo
        • Trailer Camera Provisions
        • 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 Vader Chrome
        • Steering Wheel Audio Controls
        • LED Smoked Amber Roof Marker Lamps
        • Manual Tilt-Wheel/Telescoping Steering Column
        • LED Cargo Area Lighting
        • Power Sunroof
        • Unauthorized Entry Theft-Deterrent System
        • Universal Home Remote
        • Power Sliding Rear Window with Defogger
        • Power Front Windows with Passenger Express Up/Down
        • Wireless Charging
        • Ultrasonic Front and Rear Park Assist
        • Front Rain-Sensing Wipers
        • ProGrade Trailering System
        • Trailer Tire Pressure Monitor Sensors
        • 2-Speed Active Transfer Case
      • Front Bucket Seats
        • 16-Way Power Driver Seat Adjuster with Lumbar
        • 16-Way Power Passenger Seat Adjuster with Lumbar
        • Driver Memory
      • ProGrade Trailering System
        • Hitch Guidance with Hitch View
        • in-Vehicle Trailering App
      • Technology Package
        • Auto-Dimming Inside Rearview Mirror with Camera
        • Multicolor 15" Diagonal Head-Up Display
      • Radio: AM/FM Stereo with Premium GMC Infotainment System
        • GMC Premium 13.4" Diagonal Information Display
      Included Options
      • Gooseneck/5th Wheel Prep Package
      • Hitch Package
      • 12 Speakers
      • AM/FM radio: SiriusXM with 360L
      • Premium audio system: Premium GMC Infotainment System
      • Air Conditioning
      • Automatic temperature control
      • Front dual zone A/C
      • Rear window defroster
      • Heads-Up Display
      • Memory seat
      • Power driver seat
      • Power steering
      • Power windows
      • Remote keyless entry
      • Steering wheel mounted audio controls
      • Speed-sensing steering
      • Traction control
      • 4-Wheel Disc Brakes
      • ABS brakes
      • Dual front impact airbags
      • Dual front side impact airbags
      • Emergency communication system: OnStar Services capable
      • Front anti-roll bar
      • Front wheel independent suspension
      • Low tire pressure warning
      • Occupant sensing airbag
      • Overhead airbag
      • Power moonroof
      • Pickup Bed
      • Brake assist
      • Electronic Stability Control
      • Lane Departure Warning System
      • Exterior Parking Camera Rear
      • Auto High-beam Headlights
      • Delay-off headlights
      • Front fog lights
      • Fully automatic headlights
      • Panic alarm
      • Security system
      • Speed control
      • 220 Amp Alternator
      • Block heater
      • Dual 220-Amps Primary and 170-Amps Auxiliary Alternators
      • Dual Heavy-Duty 70 Amp-Hour Battery
      • Auto-dimming door mirrors
      • Bumpers: body-color
      • Front License Plate Kit
      • Heated door mirrors
      • IntelliBeam Automatic High Beam on/Off
      • Power door mirrors
      • Rear step bumper
      • Turn signal indicator mirrors
      • Auto-dimming Rear-View mirror
      • Automatic Emergency Braking
      • Buckle to Drive
      • Compass
      • Driver door bin
      • Driver vanity mirror
      • Following Distance Indicator
      • Forward Collision Alert
      • Front Pedestrian Braking
      • Front reading lights
      • Garage door transmitter
      • Genuine wood dashboard insert
      • Genuine wood door panel insert
      • Heated steering wheel
      • Illuminated entry
      • Leather steering wheel
      • Outside temperature display
      • Overhead console
      • Passenger vanity mirror
      • Rear reading lights
      • Rear seat center armrest
      • Tachometer
      • Telescoping steering wheel
      • Tilt steering wheel
      • Trip computer
      • Voltmeter
      • Front Center Armrest
      • Full Grain Leather Seat Trim
      • Heated front seats
      • Heated rear seats
      • Power passenger seat
      • Split folding rear seat
      • Ventilated front seats
      • Passenger door bin
      • Alloy wheels
      • Rain sensing wipers
      • Variably intermittent wipers
      • 3.42 Rear 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 Services capable
      • 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
      • 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"
      • Smart device integration
      • 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
      • 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
      • 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): 283mm (11.1")
      • 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: 3,810kg (8,399lbs)
      • 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: 2,062mm (81.2")
      • Exterior length: 6,776mm (266.8")
      • 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: 5,557kg (12,250lbs)
      • Payload: 1,713kg (3,777lbs)
      • 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: 9,072kg (20,000lbs)
      • Turning radius: 8.7m (28.5')
      • Wheelbase: 4,369mm (172.0")
      • Appearance: digital/analog
      • Auto high-beam headlights
      • Blind spot: warning
      • Compass
      • Configurable
      • Delay-off headlights
      • Exterior parking camera cargo
      • Exterior parking camera front
      • Exterior parking camera left
      • Exterior parking camera rear
      • Exterior parking camera right
      • Front fog lights
      • Front reading lights
      • Fully automatic headlights
      • Heads up display
      • Lane departure: warning
      • Low tire pressure warning
      • Oil pressure gauge
      • Outside temperature display
      • Parking sensors: 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: mitigation
      • Front pedestrian detection: prevention
      • Ignition disable
      • Occupant sensing airbag
      • Overhead airbag
      • Panic alarm
      • Perimeter/approach lights
      • Rear collision: warning
      • Security system
      • Traction control
      Glacier White Tricoat 2026 GMC Sierra 3500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Alpine Umber w/Full Grain Leather Seat Trim, 12 Speakers, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster with Lumbar, 16-Way Power Passenger Seat Adjuster with Lumbar, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220 Amp Alternator, 3.42 Rear Axle Ratio, 4-Wheel Disc Brakes, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror with Camera, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera with Two Trailer Camera Provisions, Block heater, Bose Premium Series 12-Speaker System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual 220-Amps Primary and 170-Amps Auxiliary Alternators, Dual front impact airbags, Dual front side impact airbags, Dual Heavy-Duty 70 Amp-Hour Battery, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar Services capable, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Full Grain Leather Seat Trim, Fully automatic headlights, Garage door transmitter, Genuine wood dashboard insert, Genuine wood door panel insert, GMC Premium 13.4" Diagonal Information Display, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heads-Up Display, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Hitch Guidance with Hitch View, Hitch Package, Illuminated entry, in-Vehicle Trailering App, IntelliBeam Automatic High Beam on/Off, Keyless Open and Start, Lane Departure Warning System, Leather steering wheel, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15" Diagonal Head-Up Display, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Pickup Bed, Power door mirrors, Power driver seat, Power Front Windows with Passenger Express Up/Down, Power moonroof, Power passenger seat, Power Sliding Rear Window with Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 5SB, Premium audio system: Premium GMC Infotainment System, Premium Front Floor Liners with Removable Carpet Insert, Premium Rear Floor Liners with Removable Carpet Insert, ProGrade Trailering System, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, Signature Denali Ultimate Grille in Vader Chrome, SiriusXM with 360L Trial Subscription, Speed control, Speed-sensing steering, Split folding rear seat, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Technology Package, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor Sensors, Trip computer, Turn signal indicator mirrors, Ultrasonic Front and Rear Park Assist, Unauthorized

      Peace of mind

      Factory warranty

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

      A name you can trust

      CMA's Colonial Auto Center 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

      *All vehicles are subject to prior sale. Our CMA discount is available to every customer. The advertised "CMA" price represents the total offering price for the listed vehicle, which includes all mandatory dealer charges, such as processing fees, freight, protection plans and dealer added accessories that cannot be removed at time of sale. The only charges excluded from this advertised price are government-mandated fees, including taxes, tags, and title fees.

      Please note that any conditional rebates, incentives, or discounts displayed are for informational purposes, may not be available to all consumers, and have not been deducted from the advertised base price. Furthermore, this advertised price is not conditioned on utilizing dealer financing, nor does it require the purchase of any additional add-ons not explicitly included in the advertised price. 

      All vehicles subject to prior sale. Taxes and fees vary based on city/county/state of vehicle registration. The advertising sale price includes a dealer discount available to everyone. Final price includes available factory incentives. All may not qualify. See dealer for details. Taxes and fees vary based on city/county/state of vehicle registration.