Warranty Forever

2021 GMC Sierra 1500 AT4



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Vehicle Information

Stock #: TMG448095
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather Front Seat Trim
  • Mileage 141,176
  • Fuel Economy
    City/Highway 14/19 MPG
  • Engine Engine: 6.2L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
  • 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
  • Cruise Control

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.
Preferred Equipment Group 4SB (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), and Ventilated Driver & Front Passenger Seats), Trailering Package (Hitch Guidance), 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 18 x 8.5 Machined Aluminum Wheels, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, AT4 High Clearance Step (LPO), Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: body-color, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Front anti-roll bar, Front Bucket Seats, Front

All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 14 MPG
    • Hwy: 19 MPG
    • Combined: 16 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Gasoline Fuel
  • Horse Power
    • Horse Power: 420
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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*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.