Meet the 2026 GMC Sierra 2500HD Denali Ultimate, a full-size heavy-duty pickup engineered for those who demand capability without compromise.
- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission
- 4WD with 2-Speed Active Transfer Case and off-road suspension
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- Premium Bose 12-speaker audio system with SiriusXM 360L
- Apple CarPlay and Android Auto connectivity with wireless phone projection
- 15-inch diagonal head-up display with multicolor customization
- HD Surround Vision with bed view camera and trailer camera provisions
- Heated and ventilated leather front seats with 16-way power adjustment and lumbar support
- Heated rear seats with split-folding capability
- Power moonroof with auto-dimming rear-view mirror
- Automatic emergency braking with forward collision alert and front pedestrian braking
- Lane departure warning and rear cross traffic alert
- Trailer side blind zone alert with hitch guidance and in-vehicle trailering app
- Signature Denali Ultimate grille in Vadar Chrome with LED lighting
- 20-inch ultra-bright machined aluminum wheels
This Sierra carries only 4,873 miles, presenting a rare opportunity to own a virtually new heavy-duty truck with premium appointments. The Denali Ultimate trim provides full grain leather throughout the cabin, complemented by genuine wood dashboard and door panel inserts that reflect a refined approach to truck interiors. Heated and ventilated seating, along with a heated steering wheel, ensures comfort in any weather condition.
The Duramax diesel engine delivers the torque and efficiency expected from GMC's heavy-duty lineup, paired with a capable 10-speed automatic transmission designed for both hauling and everyday driving. The 4WD system with active transfer case and off-road suspension handles challenging terrain while maintaining highway composure. The spray-on bedliner with GMC logo protects your investment.
Technology integration stands out with the premium GMC infotainment system, wireless charging, and comprehensive camera systems. The bed view camera with trailer camera provisions simplifies backing and maneuvering, while the hitch guidance technology makes trailer hitching straightforward. OnStar services provide connectivity and peace of mind.
Safety features are comprehensive, including automatic emergency braking, multiple airbag systems, and an industry-leading suite of driver assistance technologies. The trailer tire pressure monitoring system and in-vehicle trailering app deliver practical utility for those towing frequently.
The Gooseneck/5th Wheel Prep Package confirms this truck's readiness for serious hauling applications, with the hitch platform already factory-installed and bed-mounted connections ready to accept professional-grade hitching systems.
This 2026 Sierra 2500HD Denali Ultimate represents a significant investment in capability, comfort, and technology. We invite you to visit our showroom and experience the truck's commanding presence and refined appointments firsthand.
2026 GMC Sierra 2500 HD Denali Ultimate
- Used
- Diesel
- Price
- $89,595
- Doc Fee
- $225
- Dealer Price
- $89,820
Call 877-281-7976
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The overview
- Exterior Color
- Sterling
- Interior Color
- Alpine Umber
- Odometer
- 4,873 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Transmission
- 10 speed automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT4UXEY2TF257918
- Stock Number
- 6D0432A
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
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
- Primary LCD size: 13.4"
- 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
- 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")
- 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
Brandon Tomes Volkswagen of McKinney 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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