2021 GMC Sierra 1500 AT4



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Vehicle Information

VIN: 3GTU9EET0MG389067
Stock #: B260897A
  • Body Style 4D Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 57,981
  • Fuel Economy
    City/Highway 22/26 MPG
  • Engine 6 Cyl - 3 L
  • Transmission 10-Speed Automatic / 4WD
  • Fuel Type Diesel

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!

OFF-ROAD PERFORMANCE & EFFICIENCY: ONE-OWNER 2021 GMC SIERRA 1500 AT4 4WD

Conquer the trails and the highway in this exceptional, ONE OWNER, CLEAN CARFAX 2021 GMC Sierra 1500 AT4. This 4D Crew Cab, finished in a menacing Onyx Black over a premium Jet Black With Kalahari Accents Leather interior, is GMC's factory-lifted off-road specialist, sitting 28,702 miles below market average!

Power comes from the highly desirable 3.0L Duramax Turbo-Diesel I6 engine, delivering 277 horsepower and a massive 460 lb-ft of torque. Paired with a smooth 10-speed automatic transmission and a robust 4WD system, this Duramax provides a superior blend of off-road grunt and incredible highway efficiency, delivering a remarkable 22/26 City/Highway MPG!

This AT4 trim (Preferred Equipment Group 4SB) is heavily equipped with off-road capability and the AT4 Preferred Package:

AT4 Capability: Features a 2-inch factory suspension lift, Rancho monotube shocks, Hill Descent Control, Skid Plates, and an Auto-Locking Rear Differential.

Advanced Trailering: Includes the ProGrade Trailering System, Hitch Guidance w/Hitch View, an Integrated Trailer Brake Controller, and the In-Vehicle Trailering App. This configuration is rated to tow up to 9,0009,300 pounds (confirm precise rating in person).

Luxury & Tech: Equipped with the AT4 Preferred Package, adding a Power Sunroof, Radio: Premium GMC Infotainment Sys w/Navigation, and a Premium Bose 7-Speaker Sound System.

Comfort & Convenience: Features Heated and Ventilated Front Bucket Seats, Wireless Charging, a Power Sliding Rear Window, and Universal Home Remote.

Rugged Styling: Stands out with Red Recovery Hooks, a Body-Color Surround Grille, and a Spray-On Pickup Bed Liner w/AT4 Logo.

This GMC Sierra 1500 AT4 delivers the ultimate combination of high-torque diesel performance, legendary off-road capability, and executive-level luxury in a low-mileage package.

This exceptional GMC Sierra 1500 is located at Covert Buick GMC of Austin on 11750 Research Blvd Suite D, Austin, TX 78759. Serving Central Texas and beyond since 1909, we invite you to experience the Covert Commitment today; visit us soon to take a test drive or call 512-583-3420 for more information! We proudly serve drivers from Austin, Round Rock, Pflugerville, and Cedar Park.

Eligible Benefits

All Features

  • AT4 Preferred Package
  • Preferred Equipment Group 4SB
  • Trailering Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Premium audio system: GMC Infotainment System
  • Premium Bose 7-Speaker Sound System
  • Radio data system
  • Radio: Premium GMC Infotainment Sys w/Multi-Touch
  • Radio: Premium GMC Infotainment Sys w/Navigation
  • SiriusXM w/360L
  • Steering Wheel Audio Controls
  • Air Conditioning
  • Automatic temperature control
  • Electric Rear-Window Defogger
  • Front dual zone A/C
  • Rear window defroster
  • 12-Volt Rear Auxiliary Power Outlet
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Driver Memory
  • Memory seat
  • Power driver seat
  • Power Front Passenger Windows w/Express Up/Down
  • Power Front Windows w/Driver Express Up/Down
  • Power Rear Windows w/Express Down
  • Power steering
  • Power windows
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • Auto-Locking Rear Differential
  • Electrical Lock Control Steering Column
  • Manual Tilt-Wheel & Telescoping Steering Column
  • Off-Road Suspension
  • Speed-sensing steering
  • Traction control
  • 4-Wheel Disc Brakes
  • ABS brakes
  • Dual front impact airbags
  • Dual front side impact airbags
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open & Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Power Door Locks
  • Power Sunroof
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Panic alarm
  • Security system
  • Theft Deterrent System (Unauthorized Entry)
  • Speed control
  • 170 Amp Alternator
  • 220 Amp Alternator
  • Auxiliary External Transmission Oil Cooler
  • Engine Block Heater
  • Heavy-Duty Air Filter
  • Auto-dimming door mirrors
  • Body-Color Surround Grille
  • Bumpers: body-color
  • Heated door mirrors
  • LED Cargo Area Lighting
  • Power door mirrors
  • ProGrade Trailering System
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner w/AT4 Logo
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Color-Keyed Carpeting Floor Covering
  • Compass
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Front Prem Floor Liners w/Removable Carpet Insert
  • Front reading lights
  • GMC Connected Access Capable
  • HD Rear Vision Camera
  • Heated steering wheel
  • Illuminated entry
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Dual USB Charging-Only Ports
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Voltmeter
  • Wireless Charging
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated Driver & Front Outboard Passenger Seating
  • Heated front seats
  • Perforated Leather-Appointed Front Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver & Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering App
  • Integrated Trailer Brake Controller
  • Red Recovery Hooks
  • 18" x 8.5" Machined Aluminum Wheels
  • Alloy wheels
  • Deep-Tinted Glass
  • Power Sliding Rear Window w/Rear Defogger
  • Variably intermittent wipers
  • 3.23 Rear Axle Ratio
  • *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.