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2026 GMC Sierra 2500HD Denali Ultimate

VIN 1GT4UXEY7TF350739 · Stock TF350739

2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 1 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 2 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 3 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 4 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 5 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 6 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 7 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 8 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 9 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 10 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 11 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 12 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 13 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 14 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 15 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 16 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 17 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 18 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 19 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 20 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 21 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 22 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 23 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 24 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 25 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 26 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 27 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 28 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 29 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 30 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 31 of 322026 GMC Sierra 2500HD Denali Ultimate in Onyx Black, photo 32 of 32
32 photos

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 144

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
18 more
  • Bumpers: body-color
  • 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
13 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
  • 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 full-size pickup truck engineered to handle demanding work and provide elevated comfort for those who demand the best. With its Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD capability, this truck delivers the power and control needed for towing, hauling, and navigating challenging terrain.

- Gooseneck/5th Wheel Prep Package

- Preferred Equipment Group 5SB

- Technology Package

- X31 Off-Road Package

- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic

- 4WD with 2-Speed Active Transfer Case and Off-Road Suspension

- Bed View Camera with Two Trailer Camera Provisions and Trailer Viewing Software

- Multicolor 15" Diagonal Head-Up Display

- Premium GMC Infotainment System with Apple CarPlay and Android Auto Integration

- Bose Premium Series 12-Speaker System with SiriusXM 360L Trial

- HD Surround Vision with Rear Cross Traffic Alert and Trailer Side Blind Zone Alert

- Wireless Charging and Wireless Phone Projection

- Heated and Ventilated Front Seats with 16-Way Power Adjustment and Lumbar Support

- Power Sunroof with Deep-Tinted Glass

This Sierra 2500HD stands out with the distinctive Signature Denali Ultimate Grille in Vadar Chrome and a spray-on bedliner bearing the GMC logo. The cabin reflects premium craftsmanship through full grain leather seat trim and genuine wood dashboard and door panel inserts. You'll find practical conveniences throughout, including a heated steering wheel, power sliding rear window with defogger, and 120-volt power outlets in both the bed and instrument panel for jobsite flexibility.

Technology integration is comprehensive, featuring an auto-dimming rear-view camera mirror, front rain-sensing wipers, and IntelliBeam automatic high-beam control. The in-vehicle trailering system app, hitch guidance with hitch view, and trailer tire pressure monitor sensors demonstrate the engineering focus on towing confidence and safety. Multiple camera provisions and trailer viewing software make managing your load straightforward and secure.

Safety features span automatic emergency braking, forward collision alert with front pedestrian braking, lane departure warning, and an extensive airbag system. The truck includes an emergency communication system through OnStar and a six-speaker security system. Hill descent control and the 2-speed active transfer case provide additional command whether navigating steep grades or off-road conditions.

This truck is equipped for those who appreciate capability without compromise. With minimal mileage, this is your opportunity to own a premium, fully-equipped diesel pickup ready to tackle any challenge you present.

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

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2026 GMC Sierra 2500HD Denali UltimateStock TF350739 · Covert Buick GMC Bee Cave

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2026 GMC Sierra 2500HD Denali UltimateStock TF350739 · Covert Buick GMC Bee Cave

An email or a phone number is enough.

By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email.

Ask a question

2026 GMC Sierra 2500HD Denali UltimateStock TF350739 · Covert Buick GMC Bee Cave

An email or a phone number is enough.

By submitting, you agree that Covert Buick GMC Bee Cave may contact you about this request by phone, text or email.