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2026 GMC Sierra 1500 Denali Ultimate



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Vehicle Information

VIN: 1GTUUHEL6TZ121784
Stock #: PB10799
Model Code: TK10543
  • Body Style 4D Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Alpine Umber
  • Mileage 5,923
  • Fuel Economy
    City/Highway 15/19 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission 10-Speed Automatic
  • Fuel Type Gasoline

Highlighted Features

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

Dealer Comments

This vehicle is located at Covert Buick GMC of Austin on 11750 Research Blvd Suite D, Austin, TX 78759. Visit us soon to take a test drive of this great vehicle. Give us a call at 512-583-3420for more information!

**PRICED TO SELL**, *ONE OWNER*, Sierra 1500 Denali Ultimate, 4D Crew Cab, EcoTec3 6.2L V8, 10-Speed Automatic, 4WD, Onyx Black, Alpine Umber Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, Auto-Locking Rear Differential, Bed View Camera, Bose Premium Series with 12- Speaker System, Chrome Recovery Hooks, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Denali Premium Suspension with Adaptive Ride Control, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seating, Heavy-Duty Air Filter, High Gloss Black Header with Signature Denali Grille, Hill Descent Control, Hitch Guidance, Hitch View, in-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open and Start, LED Cargo Area Lighting, Multicolor 15 Diagonal Head-Up Display, MultiPro Tailgate Audio System by Kicker, Navigation System, OnStar Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows with Express Up/Down, Power Front Windows with Driver Express Up/Down, Power Rake and Telescoping Steering Column, Power Rear Windows with Express Down, Power Sliding Rear Window with Rear Defogger, Power Sunroof, Preferred Equipment Group 5SB, Push Button Start, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Wheelhouse Liners, Remote Vehicle Starter System, SiriusXM with 360L Trial Subscription, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Theft Deterrent System (unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor System, Trailering Package, Ultrasonic Front and Rear Park Assist, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wheel Locks (set of 4), Wheels: 22 7-Spoke Ultra Bright Machined, Wi-Fi Hotspot Capable, Wireless Charging. Onyx Black 2026 GMC Sierra 1500 Denali Ultimate 4WD EcoTec3 6.2L V8 Denali Ultimate

Clean CARFAX. CARFAX One-Owner. Recent Arrival!

Serving Central Texas and beyond since 1909. Come experience the Covert Commitment today!

Eligible Benefits

Carfax Top-rated dealer

All Features

  • Navigation System
  • Preferred Equipment Group 5SB
  • Trailering Package
  • 12 Speakers
  • AM/FM radio: SiriusXM with 360L
  • Bose Premium Series with 12- Speaker System
  • MultiPro Tailgate Audio System by Kicker
  • Radio data system
  • Radio: Premium GMC Infotainment Audio System
  • SiriusXM with 360L Trial Subscription
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Interior Power Outlet
  • Driver Memory
  • Heads-Up Display
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows with Express Up/Down
  • Power Front Windows with Driver Express Up/Down
  • Power Rear Windows with Express Down
  • Power steering
  • Power windows
  • Push Button Start
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Adaptive suspension
  • Auto-Locking Rear Differential
  • Power Rake and Telescoping Steering Column
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Emergency communication system: OnStar
  • Enhanced Automatic Emergency Braking
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open and Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power moonroof
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Auto High-beam Headlights
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Perimeter Lighting
  • Panic alarm
  • Security system
  • Theft Deterrent System (unauthorized Entry)
  • Speed control
  • Super Cruise
  • 170 Amp Alternator
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Body Color Wheel Arch Moldings
  • Bumpers: body-color
  • Carbon Fiber Composite Bed
  • Denali Premium Suspension with Adaptive Ride Control
  • Dual Active Exhaust
  • Front License Plate Kit
  • GMC MultiPro Tailgate Step Lights
  • Heated door mirrors
  • High Gloss Black Header with Signature Denali Grille
  • IntelliBeam Automatic High Beam on/Off
  • LED Cargo Area Lighting
  • Power door mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-on Pickup Bedliner with GMC Logo
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 Type-C Charge-Only Rear USB Ports
  • 2 USB Ports
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Bed View Camera
  • Buckle to Drive
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front reading lights
  • Garage door transmitter
  • Genuine wood console insert
  • Genuine wood dashboard insert
  • Genuine wood door panel insert
  • HD Surround Vision
  • Heated steering wheel
  • Illuminated entry
  • Leather steering wheel
  • Multicolor 15" Diagonal Head-Up Display
  • OnStar Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Cross Traffic Braking
  • Rear Pedestrian Detection
  • Rear reading lights
  • Rear seat center armrest
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trailer Camera Provisions
  • Trailer Side Blind Zone Alert
  • Trip computer
  • Ultrasonic Front and Rear Park Assist
  • Voltmeter
  • Wi-Fi Hotspot Capable
  • Wireless Apple CarPlay/Wireless Android Auto
  • Wireless Charging
  • 16-Way Power Driver Seat Adjuster with Lumbar
  • 16-Way Power Passenger Seat Adjuster with Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Full Grain Leather Seat Trim
  • Heated 2nd Row Outboard Seats
  • Heated Driver and Front Outboard Passenger Seating
  • Heated front seats
  • Heated rear seats
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver and Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Chrome Recovery Hooks
  • Hitch Guidance
  • Hitch View
  • in-Vehicle Trailering System App
  • Integrated Trailer Brake Controller
  • Trailer Tire Pressure Monitor System
  • Alloy wheels
  • Wheel Locks (set of 4)
  • Wheels: 22" 7-Spoke Ultra Bright Machined
  • Deep-Tinted Glass
  • Front Rain-Sensing Wipers
  • Power Sliding Rear Window with Rear Defogger
  • Rain sensing wipers
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
  • **PRICED TO SELL**
  • *ONE OWNER*
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Offers you may qualify for:
Vehicle Appearance Package $899 This vehicle has dealer-added options: Window Tint, 3M Paint Protection Plan, and OptiCam Protection. See dealer for details.
Covert Protection Plan $2995 This vehicle has dealer-added options: Cilajet Interior and Exterior Application, Key/Remote Replacement, Theft Protection, ForeverStart Battery Protection and Covert Loyalty Advantage. See dealer for details.

Covert Ford Sale Price does not include applicable state sales tax,Inventory tax charged by Travis County, TX, title, license, processing, regional advertising fees listed on dealer invoice. *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. Certain discounts require financing with FMCC (with approved credit) or Trading in a 1995 model or newer vehicle towards purchase. Manufacturer may change rebates without prior notice. Please check dealer for actual pricing, availability, and to confirm eligibility of each vehicle for Select Rebate Programs. Not responsible for typographical errors. Vehicles listed with a Covert Discount only, without rebates, include package savings from Ford AND all available standard rebates, zero percent financing is not available on these units at the listed price/discounts and are listed as featured vehicles on the home page. Contact dealer for full details: 512-345-4343.