Home / New vehicles / GMC / Sierra 2500HD
2026 GMC Sierra 2500HD Denali Ultimate
VIN 1GT4UXEY2TF377525 · Stock TF377525
Details
- Engine
- 6.6L V8 diesel
- Transmission
- 10-speed automatic
- Drivetrain
- 4WD
- Engine
- Duramax 6.6L V8 Turbodiesel
- Body
- 4D Crew Cab
- Exterior
- Onyx Black
- Interior
- Alpine Umber
- Fuel
- Diesel
Equipment 146
Packages
- Gooseneck/5th Wheel Prep Package
- Preferred Equipment Group 5SB
- Technology Package
- X31 Off-Road Package
Safety
- Emergency communication system: OnStar
- Lane Departure Warning System
- Security system
- Unauthorized Entry Theft-Deterrent System
21 more
- Automatic Emergency Braking
- Buckle to Drive
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- HD Surround Vision
- Inside Rearview Auo-Dimming Rear Camera Mirror
- Rear Cross Traffic Alert
- Ultrasonic Front and Rear Park Assist
- Safety Alert Seat
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Brake assist
- Electronic Stability Control
- Panic alarm
Technology
- 12 Speakers
- AM/FM radio: SiriusXM with 360L
- Bose Premium Series 12-Speaker System
- Premium audio system: Premium GMC Infotainment System
15 more
- Radio: AM/FM Stereo with Premium GMC Infotainment System
- SiriusXM with 360L Trial Subscription
- Steering Wheel Audio Controls
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Heads-Up Display
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- Apple CarPlay/Android Auto
- Multicolor 15" Diagonal Head-Up Display
- OnStar Services Capable
- Wireless Charging
- Wireless Phone Projection
- Steering wheel mounted audio controls
Interior
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
53 more
- Driver Memory
- Memory seat
- Power driver seat
- Push Button Start
- Remote Vehicle Starter System
- Universal Home Remote
- Manual Tilt-Wheel/Telescoping Steering Column
- Keyless Open and Start
- Power moonroof
- Power Sunroof
- LED Cargo Area Lighting
- Auto-dimming Rear-View mirror
- Floor-Mounted Center Console
- Garage door transmitter
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated steering wheel
- Leather steering wheel
- Rear reading lights
- Rear seat center armrest
- Voltmeter
- 16-Way Power Driver Seat Adjuster with Lumbar
- 16-Way Power Passenger Seat Adjuster with Lumbar
- 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
- Ventilated Driver and Front Passenger Seats
- Ventilated front seats
- Power Front Passenger Windows with Express Up/Down
- Power Sliding Rear Window with Defogger
- Air Conditioning
- Power windows
- Remote keyless entry
- Speed control
- Compass
- Driver door bin
- Driver vanity mirror
- Front reading lights
- Illuminated entry
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Front Bucket Seats
- Split folding rear seat
- Passenger door bin
Exterior
- Pickup Box
- Auto High-beam Headlights
- Front fog lights
- Auto-dimming door mirrors
19 more
- Bumpers: body-color
- Front License Plate Kit
- IntelliBeam Automatic High Beam on/Off
- LED Smoked Amber Roof Marker Lamps
- Rear step bumper
- Rear Wheelhouse Liners
- Signature Denali Ultimate Grille in Vadar Chrome
- Spray-on Pickup Bedliner with GMC Logo
- Turn signal indicator mirrors
- Wheels: 20" Ultra-Bright Machined Aluminum
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
- Rain sensing wipers
- Delay-off headlights
- Fully automatic headlights
- Heated door mirrors
- Power door mirrors
- Alloy wheels
- Variably intermittent wipers
Mechanical
- Off-Road Suspension
- Speed-sensing steering
- Front wheel independent suspension
- Hill Descent Control
14 more
- 2-Speed Active Transfer Case
- 220-Amp Alternator
- Block heater
- Dual Heavy-Duty 70 Amp Battery
- Bed View Camera with Two Trailer Camera Provisions
- Trailer Cam Provisions and Trailer Viewing Software
- Trailer Side Blind Zone Alert
- Upfitter Switch Kit (5)
- Hitch Guidance with Hitch View
- in-Vehicle Trailering System App
- Trailer Tire Pressure Monitor Sensors
- 3.42 Axle Ratio
- Power steering
- Front anti-roll bar
From the store
Call us at 512-954-9290
Meet the 2026 GMC Sierra 2500HD Denali Ultimate—a premium heavy-duty crew cab engineered for those who demand capability without compromise. Finished in striking Onyx Black with Alpine Umber leather throughout, this 4WD diesel powerhouse combines the legendary Duramax 6.6L V8 Turbodiesel with a 10-speed automatic transmission to deliver commanding performance and efficiency. Every detail reflects Denali Ultimate refinement, from the signature Vadar Chrome grille to the spray-in bedliner bearing the GMC logo.
This Sierra 2500HD is loaded with purpose-built features for work and travel:
- Gooseneck/5th Wheel Prep Package with hitch platform
- Duramax 6.6L V8 Turbodiesel with 10-speed automatic
- 4WD with 2-speed active transfer case and hill descent control
- X31 Off-Road Package with off-road suspension
- Bose premium 12-speaker audio with SiriusXM 360L trial
- HD Surround Vision, Bed View Camera, and trailer camera provisions
- 15" multicolor head-up display and wireless phone projection
- Heated and ventilated leather seats front and rear
- Sunroof, wireless charging pad, and power sliding rear window
- Ultrasonic front and rear park assist with trailer tire pressure monitoring
Equipped with upfitter switches, advanced safety systems including automatic emergency braking and lane departure warning, plus OnStar connectivity, this truck stands ready for any mission. Visit our showroom to command the road in true Denali style.
Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026
Similar vehicles in stock
All new vehicles →
2026 GMC Sierra 2500HD Denali Ultimate
Stock TF378243 · VIN 1GT4UXEY8TF378243
2026 GMC Sierra 2500HD AT4X
Stock TF372857 · VIN 1GT4UZEY8TF372857
2026 GMC Sierra 2500HD AT4
Stock TF411277 · VIN 1GT4UPEY5TF411277
2027 Ram 2500 Laramie
Stock VG409819 · VIN 3C63R5FL9VG409819
2027 Ram 3500 Laramie
Stock VG411330 · VIN 3C63RRJL0VG411330
2027 Ram 2500 Limited
Stock VG418935 · VIN 3C63R5SL4VG418935