Warranty Forever

2021 GMC Sierra 2500 HD Denali



Visit our Store

Vehicle Information

Stock #: SMF116862
Model Code: TK20743
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Carbon Black Metallic
  • Interior Color Jet Black, Forge Perforated Leather Seat Trim
  • Mileage 26,331
  • Engine Engine: 6.6L, V-8, SIDI
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.
  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats

Dealer Comments

At DeMontrond Buick GMC, we take pride in delivering a trusted, family-owned dealership experience right here in Houston. Since 1953, our mission has remained the same — to provide dependable vehicles, expert service, and a welcoming, no-pressure environment for every customer. Whether you’re searching for a new GMC truck, a stylish Buick SUV, or a quality pre-owned vehicle, our team is here to guide you every step of the way. Why Buy from DeMontrond Buick GMC As one of Houston’s top-rated Buick and GMC dealerships, DeMontrond is recognized for exceptional value, service, and selection. We offer Warranty Forever, providing lifetime coverage on all new and most used vehicles at no additional cost. Our expansive inventory includes popular GMC models such as the Sierra, Canyon, Yukon, Terrain, and Acadia, along with Buick favorites including the Encore, Enclave, Envision, and Envista. You’ll also find a wide range of certified pre-owned cars, trucks, and SUVs from all makes and models. With DeMontrond Direct, you can shop and buy online with fast approvals and convenient delivery options. Our Certified Service Center is staffed by GM-trained technicians who use genuine OEM parts for everything from regular maintenance to collision repairs. We also provide flexible financing through a broad network of lenders for all credit types and offer modern dealership amenities including free Wi-Fi, fresh coffee, a comfortable waiting area, a children’s play zone, loaner vehicles, and rental assistance. Family-owned and operated since 1953, DeMontrond Buick GMC continues to earn the trust and loyalty of drivers across Houston, Spring, The Woodlands, Tomball, and Cypress.Denali Ultimate Package (Power Sunroof), Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Automatic Emergency Braking, Following Distance Indicator, Forward Collision Alert, IntelliBeam Automatic High Beam On/Off, and Lane Departure Warning System), Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 5SA (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Transfer Case, 2nd Row Dual USB Charge-Only Ports, 4G LTE Wi-Fi Hotspot Capable, 6 Rectangular Chromed Tubular Assist Steps, Bed View Camera w/2 Trailer Camera Provisions, Chrome Recovery Hooks, Compass Located In Instrument Cluster, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, GMC Connected Access Capable, HD Surround Vision, Heated & Ventilated Front Bucket Seats, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, OnStar & GMC Connected Services Capable, Polished Exhaust Tip, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power Windows w/Driver Express Up/Down, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Signature Denali Grille, Spray-On Pickup Box Bed Liner w/Denali Logo, Steering Wheel Audio Controls, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Wireless Charging, and Wireless Phone Projection), Technology Package (Inside Rearview Auto-Dimming Rear Camera Mirror and Multicolor 15 Diagonal Head-Up Display), X31 Off-Road Package (Hill Descent Control), 6-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 1st & 2nd Row All-Weather Floor Liner (LPO), 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/An

Eligible Benefits

All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 0
    • Hwy: 0
    • Combined: 0
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 36 gal
  • Fuel Type
    • Fuel Type: Gasoline Fuel
  • Horse Power
    • Horse Power: 401
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
Vehicles You Might Like
  • Call for Pricing & Availability DeMontrond Price


  • Call for Pricing & Availability DeMontrond Price


  • Call for Pricing & Availability DeMontrond Price


  • Call for Pricing & Availability DeMontrond Price


*Credit restrictions may apply. Dealer Discounts available to everyone. Certain other manufacturer offers may not be available to everyone. Pricing includes every available current offer from manufacturer. Ask your dealer for details. All prices on this web site are subject to change without notice. Though we make every effort to provide you the most accurate, up-to-date information, occasionally, one or more vehicles on our web site may be incorrect due to typographical, photographic, occasional human or technical error. We reserve the right to refuse to honor any incorrect Internet prices as we cannot account for the occasional human or technical error. Discounted prices include all available applicable Factory Rebates and Incentives and Dealer Discount. All prices plus Sales Tax, Title, License Fee, and Registration Fee. Please contact dealer for details. Manufacturer's/Distributor's Rebate subject to residency restrictions. Any customer not meeting the residency restriction will receive a dealer discount in the same amount of the manufacturer's/distributor's rebate. If you live in the following California Emissions States of CA, CT, DE, MD, ME, NJ, NY, OR, PA, RI, VT, and WA, please be aware that those states will not title a new vehicle from Texas because the MSO is not listed as being a 50 State/California Emission Vehicle. Tax, title, license (unless itemized above) are extra. Not available with special finance, lease and some other offers. Manufacturer’s Rebate subject to residency restrictions. Any customer not meeting the residency restrictions will receive a dealer discount in the same amount of the manufacturer’s rebate. By requesting information, you agree that DeMontrond (Dealership) and its affiliates, and sales professionals may call/text you about your inquiry, which may involve use of automated means and prerecorded/artificial voices. Message/data rates may apply.

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.