Elk Grove Auto Mall

2026 GMC Sierra 2500HD Denali Ultimate



In Stock
  • Contact Us for Pricing & Availability

  • Disclaimers
  • *Price excludes government fees and taxes, any finance charges, $85 dealer document processing charge, any electronic filing charge, and any emission testing charge.

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Vehicle Information

VIN: 1GT4UXEY8TF256742
Stock #: 26G900
Model Code: TK20743
  • Body Style 4D Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Alpine Umber
  • Engine 8 Cyl - 6.6 L
  • Transmission 10-Speed Automatic
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Onyx Black 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel

All Features

  • SiriusXM with 360L Trial Subscription
  • Preferred Equipment Group 5SB
  • 16-Way Power Driver Seat Adjuster with Lumbar
  • Driver Memory
  • Power Sliding Rear Window with Defogger
  • 16-Way Power Passenger Seat Adjuster with Lumbar
  • Power Front Passenger Windows with Express Up/Down
  • Deep-Tinted Glass
  • Keyless Open and Start
  • Rear Wheelhouse Liners
  • Push Button Start
  • Remote Vehicle Starter System
  • Electric Rear-Window Defogger
  • Front Rain-Sensing Wipers
  • Power Sunroof
  • Spray-on Pickup Bedliner with GMC Logo
  • Technology Package
  • Floor-Mounted Center Console
  • Inside Rearview Auo-Dimming Rear Camera Mirror
  • Pickup Box
  • Signature Denali Ultimate Grille in Vadar Chrome
  • 3.42 Axle Ratio
  • Safety Alert Seat
  • Radio: AM/FM Stereo with Premium GMC Infotainment System
  • Hill Descent Control
  • Wireless Charging
  • Heated Driver and Front Outboard Passenger Seats
  • Heated 2nd Row Outboard Seats
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Ventilated Driver and Front Passenger Seats
  • 220-Amp Alternator
  • Dual Heavy-Duty 70 Amp Battery
  • Manual Tilt-Wheel/Telescoping Steering Column
  • 2-Speed Active Transfer Case
  • Skid Plates
  • Sierra HD Pro Safety
  • Wireless Phone Projection
  • ProGrade Trailering System
  • Trailer Tire Pressure Monitor Sensors
  • Hitch Guidance with Hitch View
  • Wheels: 20" Ultra-Bright Machined Aluminum
  • Black Badging Package
  • Black Sierra Nameplates
  • Wheels: 22" Painted Black Transit Steel
  • 22" Gloss Black Aluminum Wheels
  • Black GMC Emblems
  • Full Grain Leather Seat Trim
  • Buckle to Drive
  • IntelliBeam Automatic High Beam on/Off
  • Trailer Cam Provisions and Trailer Viewing Software
  • LED Smoked Amber Roof Marker Lamps
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 USB Ports
  • 2 Charge-Only Rear USB Ports
  • Ultrasonic Front and Rear Park Assist
  • OnStar Services Capable
  • Following Distance Indicator
  • in-Vehicle Trailering System App
  • Forward Collision Alert
  • LED Cargo Area Lighting
  • Rear Cross Traffic Alert
  • Lane Departure Warning System
  • Universal Home Remote
  • Automatic Emergency Braking
  • Steering Wheel Audio Controls
  • Front Pedestrian Braking
  • Trailer Side Blind Zone Alert
  • Bose Premium Series 12-Speaker System
  • Unauthorized Entry Theft-Deterrent System
  • HD Surround Vision
  • Multicolor 15" Diagonal Head-Up Display
  • Bed View Camera with Two Trailer Camera Provisions
  • Front License Plate Kit
  • X31 Off-Road Package
  • Gooseneck/5th Wheel Prep Package
  • Off-Road Suspension
  • 12 Speakers
  • Apple CarPlay/Android Auto
  • Premium audio system: Premium GMC Infotainment System
  • Emergency communication system: OnStar
  • AM/FM radio: SiriusXM with 360L
  • Auto High-beam Headlights
  • Compass
  • Heads-Up Display
  • Auto-dimming Rear-View mirror
  • Ventilated front seats
  • Variably intermittent wipers
  • Turn signal indicator mirrors
  • Trip computer
  • Traction control
  • Tilt steering wheel
  • Telescoping steering wheel
  • Steering wheel mounted audio controls
  • Split folding rear seat
  • Speed-sensing steering
  • Speed control
  • Security system
  • Remote keyless entry
  • Rear window defroster
  • Rear step bumper
  • Rear seat center armrest
  • Rear reading lights
  • Rain sensing wipers
  • Power windows
  • Power steering
  • Power passenger seat
  • Power moonroof
  • Power driver seat
  • Power door mirrors
  • Passenger vanity mirror
  • Passenger door bin
  • Panic alarm
  • Overhead console
  • Overhead airbag
  • Outside temperature display
  • Occupant sensing airbag
  • Memory seat
  • Low tire pressure warning
  • Leather steering wheel
  • Illuminated entry
  • Heated steering wheel
  • Heated rear seats
  • Heated front seats
  • Heated door mirrors
  • Genuine wood door panel insert
  • Genuine wood dashboard insert
  • Garage door transmitter
  • Fully automatic headlights
  • Front wheel independent suspension
  • Front reading lights
  • Front fog lights
  • Front dual zone A/C
  • Front anti-roll bar
  • Dual front side impact airbags
  • Dual front impact airbags
  • Driver vanity mirror
  • Driver door bin
  • Delay-off headlights
  • Bumpers: body-color
  • Brake assist
  • Block heater
  • Automatic temperature control
  • Auto-dimming door mirrors
  • Alloy wheels
  • ABS brakes
  • Voltmeter
  • Tachometer
  • Front Center Armrest
  • Front Bucket Seats
  • Electronic Stability Control
  • Air Conditioning
  • 4-Wheel Disc Brakes
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*Price excludes government fees and taxes, any finance charges, $85 dealer document processing charge, any electronic filing charge, and any emission testing charge.

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