2026 GMC Sierra 2500HD Denali Ultimate

VIN 1GT4UXEY4TF377381 · Stock TF377381

Photos coming soon

Details

Engine: 6.6L V8 diesel
Transmission: 10-speed automatic
Drivetrain: 4WD

Engine: Duramax 6.6L V8 Turbodiesel
Body: 4D Crew Cab
Exterior: Glacier White
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

Introducing the 2026 GMC Sierra 2500HD Denali Ultimate, a commanding crew cab pickup finished in striking White with luxurious Alpine Umber Leather interior. Engineered with the legendary Duramax 6.6L V8 Turbodiesel engine paired to a 10-speed automatic transmission, this 4WD powerhouse delivers the capability and refinement expected of GMC's premium tier. The Denali Ultimate trim brings extensive technology, premium comfort, and off-road readiness to every drive.

- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic

- Gooseneck/5th Wheel Prep Package with upsetter switch kit

- X31 Off-Road Package with 2-speed active transfer case and hill descent control

- Bose Premium 12-Speaker System with SiriusXM 360L trial and wireless phone projection

- Multicolor 15" Head-Up Display, HD Surround Vision, and bed view camera with trailer provisions

- Heated and ventilated leather seats with power adjusters; heated steering wheel

- Power sunroof, keyless open and start, remote vehicle starter system

- Ultrasonic front and rear park assist with trailer side blind zone alert

- Spray-on bedliner with GMC logo; 20" ultra-bright machined aluminum wheels

- Signature Denali Ultimate Vadar Chrome grille; LED smoked roof marker lamps

Built for serious work and refined daily driving, this Sierra 2500HD combines advanced trailering technology, premium interior appointments, and genuine off-road capability. Visit us today to experience the full scope of features and see why the Denali Ultimate sets the standard for heavy-duty trucks.

Call us at 512-954-9290 Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026