Vehicle Information

VIN: 1GT19PEY8MF274745
Stock #: 119598
Model Code: TK20743
  • Condition Used
  • Body Style 4D Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 54,522
  • 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

Discover the rugged capability and premium comfort of this 2021 GMC Sierra 2500HD AT4. This impressive heavy-duty pickup is built to conquer any terrain, with a powerful Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission powering its 4WD drivetrain.

- Custom Features:
- Package Features:
- Starred Features:
- Checked Features: 6 Speakers, 6-Speaker Audio System Feature, AM/FM radio: SiriusXM with 360L, Bose Premium 7 Speaker Sound System, HD Radio, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM w/Premium GMC Infotainment System, Radio: Premium GMC Infotainment Sys w/Navigation, SiriusXM w/360L, Steering Wheel Audio Controls, Pickup Box, Air Conditioning, Automatic temperature control, Electric Rear-Window Defogger, Front dual zone A/C, Rear window defroster, and more.

This Sierra 2500HD AT4 is the ultimate off-road companion, with an Off-Road Suspension, 2-Speed Active Transfer Case, and Red Recovery Hooks to tackle the toughest terrain. Inside, you'll enjoy premium features like Heated & Ventilated Front Bucket Seats, Heated Rear Seats, and a Heated Steering Wheel for year-round comfort.

The AT4 also offers advanced technology, including a Bed View Camera, HD Surround Vision, Wireless Charging, and a 4G LTE Wi-Fi Hotspot for seamless connectivity on the go. With a Spray-On Pickup Box Bed Liner and Rear Wheelhouse Liners, this Sierra is built to withstand the demands of your active lifestyle.

Experience the uncompromising capability and refined luxury of the 2021 GMC Sierra 2500HD AT4. Schedule a test drive today and discover how this remarkable heavy-duty pickup can elevate your driving experience.

Buyers Guide

All Features

  • AT4 Preferred Package
  • Driver Alert Package I
  • Gooseneck/5th Wheel Package
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 4SB
  • X31 Off-Road Package
  • 6 Speakers
  • 6-Speaker Audio System Feature
  • AM/FM radio: SiriusXM with 360L
  • Bose Premium 7 Speaker Sound System
  • HD Radio
  • Premium audio system: Premium GMC Infotainment System
  • Radio: AM/FM w/Premium GMC Infotainment System
  • 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 steering
  • Power windows
  • Power Windows w/Driver Express Up/Down
  • Remote keyless entry
  • Remote Vehicle Starter System
  • Steering wheel mounted audio controls
  • Universal Home Remote
  • 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
  • Electrical Lock Control Steering Column
  • 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
  • Pickup Box
  • Brake assist
  • Electronic Stability Control
  • Hill Descent Control
  • Delay-off headlights
  • Front fog lights
  • Fully automatic headlights
  • Panic alarm
  • Security system
  • Unauthorized Entry Theft-Deterrent System
  • Speed control
  • 2-Speed Active Transfer Case
  • 220 Amps Alternator
  • Engine Block Heater
  • Exhaust Brake
  • Heavy-Duty 80 Amp Battery
  • High Idle Switch
  • Auto-dimming door mirrors
  • Black Front & Rear Molded Splash Guards (LPO)
  • Bumpers: body-color
  • Heated door mirrors
  • LED Cargo Area Lighting
  • LED Smoked Amber Roof Marker Lamps
  • Painted Black Surround Grille
  • Power door mirrors
  • Rear step bumper
  • Rear Wheelhouse Liners
  • Red Recovery Hooks
  • Spray-On Pickup Box Bed Liner w/AT4 Logo
  • Turn signal indicator mirrors
  • Winter Grille Cover
  • 2 USB Ports
  • 2 USB Ports (1st Row)
  • 2nd Row Dual USB Charge-Only Ports
  • 4.2" Diagonal Color Display Driver Info Center
  • 4G LTE Wi-Fi Hotspot Capable
  • Apple CarPlay/Android Auto
  • Auto-dimming Rear-View mirror
  • Bed View Camera w/2 Trailer Camera Provisions
  • Compass
  • Compass Located In Instrument Cluster
  • 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
  • HD Surround Vision
  • Heated steering wheel
  • Illuminated entry
  • Lane Change Alert w/Side Blind Zone Alert
  • OnStar & GMC Connected Services Capable
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Rear Cross Traffic Alert
  • Rear Prem Floor Liners w/Removable Carpet Insert
  • Rear reading lights
  • Rear seat center armrest
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trip computer
  • Ultrasonic Front & Rear Park Assist
  • Voltmeter
  • Wireless Charging
  • Wireless Phone Projection
  • 10-Way Power Driver Seat Adjuster w/Lumbar
  • 10-Way Power Passenger Seat Adjuster w/Lumbar
  • Front Bucket Seats
  • Front Center Armrest
  • Heated & Ventilated Front Bucket Seats
  • Heated 2nd Row Outboard Seats
  • Heated Driver & Front Outboard Passenger Seats
  • Heated front seats
  • Heated rear seats
  • Perforated Leather-Appointed Front Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance w/Hitch View
  • In-Vehicle Trailering System App
  • Integrated Trailer Brake Controller
  • 18" Machined Aluminum Wheels
  • Alloy wheels
  • Deep-Tinted Glass
  • Power Front Passenger Windows w/Express Up/Down
  • Power Rear Windows w/Express Down
  • Power Sliding Rear Window w/Defogger
  • Variably intermittent wipers
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Must take delivery at the dealership. In Stock Units Only. Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices, specifications and availability subject to change without notice. Contact Yates Buick/GMC for most current information. Must show proof of current ownership or lease of a 2009 or newer Buick or GMC passenger car or truck at least 30 days prior to the new vehicle sale. Not available with special financing, lease and some other offers. Must finance with Yates preferred lender. MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the “Fuel Economy” portion of the EPA’s website for details, including a MPG recalculation tool). Documentation Fee: $695. Window Tint Dealer: $499 -installed accessories are pre-installed and cannot be removed from the vehicle purchase.MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the “Fuel Economy” portion of the EPA’s website for details, including a MPG recalculation tool). Documentation Fee: $495, Estimated Vehicle License Tax: 0.6%, Yates Advantage Protection Package: $1,096. Includes a 3-Year Insurance Plan underwritten by GS ADMINISTRATORS, INC. Coverage includes: Exterior Environmental Protection, Interior Protection, Paintless Dent Repair, Windshield Repairs, Theft Protection, DiamondFusion Glass Protection. Additional Features: Window Tint & Door Edge Guards - $999: Yates Buick GMC applies and warranties the Window Tint and Door Edge Guards on every new vehicle. Ceramic Coating: A 1-Year Ceramic Coating is applied to every new vehicle by Yates Buick GMC. The features and options listed are for the new 2025 Buick Enclave and may not apply to this specific vehicle.

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