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2026 GMC Sierra 3500HD Denali

VIN 1GT4UWEYXTF426397 · Stock TF426397

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
Onyx Black
Interior
Black
Fuel
Diesel

Equipment 141

Packages

  • Denali Reserve Package
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 5SA
  • Technology Package

Safety

  • Emergency communication system: OnStar Services capable
  • Lane Departure Warning System
  • Exterior Parking Camera Rear
  • Security system
22 more
  • Unauthorized Entry Theft-Deterrent System
  • Auto-Dimming Inside Rearview Mirror with Camera
  • Automatic Emergency Braking
  • Buckle to Drive
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • HD Surround Vision
  • Rear Cross Traffic Alert
  • Safety Alert Seat
  • Ultrasonic Front and Rear Park Assist
  • 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

  • 7 Speakers
  • AM/FM radio: SiriusXM with 360L
  • Bose Premium 7-Speaker Sound System
  • Premium audio system: Premium GMC Infotainment System
13 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
  • 2 Charge-Only Rear USB Ports
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 USB Ports
  • GMC Premium 13.4" Diagonal Information Display
  • Multicolor 15" Diagonal Head-Up Display
  • 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
51 more
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Windows with Passenger Express Up/Down
  • Push Button Start
  • Remote Vehicle Starter System
  • Universal Home Remote
  • Manual Tilt-Wheel/Telescoping Steering Column
  • Keyless Open and Start
  • 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
  • Rear reading lights
  • Rear seat center armrest
  • Voltmeter
  • 12-Way Power Driver Seat Adjuster with Lumbar
  • 12-Way Power Passenger Seat Adjuster with Lumbar
  • Forge Perforated Leather Seat Trim
  • Front Center Armrest
  • 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 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 Bed
  • 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
  • Power-Retractable Assist Steps
  • Rear step bumper
  • Signature Chrome Denali Grille
  • Spray-on Pickup Bedliner with GMC Logo
  • Turn signal indicator mirrors
  • Winter Grille Cover
  • 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

  • Speed-sensing steering
  • Front wheel independent suspension
  • Polished Exhaust Tip
  • 2-Speed Active Transfer Case
12 more
  • 220 Amp Alternator
  • Engine Block Heater
  • Exhaust Brake
  • Heavy-Duty 80 Amp-Hour Battery
  • High Idle Switch
  • Bed View Camera with Two Trailer Camera Provisions
  • Trailer Camera Provisions
  • Trailer Side Blind Zone Alert
  • Upfitter Switch Kit (5)
  • Hitch Guidance with Hitch View
  • Power steering
  • Front anti-roll bar

From the store

Price includes: $1500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 $4000 - GMC Bonus Cash. Exp. 11/30/2026

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2026 GMC Sierra 3500HD DenaliStock TF426397 · Covert Buick GMC Bee Cave

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2026 GMC Sierra 3500HD DenaliStock TF426397 · Covert Buick GMC Bee Cave

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2026 GMC Sierra 3500HD DenaliStock TF426397 · 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.