Vehicle Information

VIN: 1GT49PEY1LF272055
Stock #: D262017A
Model Code: TK20743
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black With Kalahari Accents, Perforated Leather-Appointed Front Seat Trim
  • Mileage 48,565
  • Engine Engine: 6.6L V8 DuraMax Diesel, Turbo
  • Transmission Automatic
  • Fuel Type Diesel Fuel

Highlighted Features

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

Dealer Comments

Discover the ultimate in power, capability, and advanced technology with the 2020 GMC Sierra 2500HD AT4. This exceptional heavy-duty pickup is engineered to conquer any terrain and handle the toughest jobs with ease.

Equipped with a robust Duramax 6.6L V8 Turbodiesel engine mated to a smooth-shifting 10-speed automatic transmission, the Sierra 2500HD AT4 delivers an impressive 445 horsepower and an astounding 910 lb-ft of torque. This uncompromising powertrain, paired with the advanced 4-wheel drive system, ensures you'll have the strength and traction to tackle any challenge with confidence.

- Gooseneck / 5th Wheel Package
- Technology Package (HD Surround Vision, Rear Camera Mirror, Bed View Camera, 15" Head-Up Display)
- AT4 Premium Package (20" Machined Aluminum Wheels, 6" Black Assist Steps)
- Driver Alert Package II (Forward Collision Alert, Lane Departure Warning, Automatic Emergency Braking)

Beyond its exceptional capabilities, the Sierra 2500HD AT4 pampers you with a wealth of premium features. Relax in the plush, heated and ventilated front seats while enjoying the convenience of wireless charging, a Bose premium audio system, and a 15-inch head-up display that puts critical information right in your line of sight. The advanced infotainment system with navigation and 4G LTE Wi-Fi hotspot keeps you connected and entertained on every journey.

For those who demand the ultimate in off-road prowess, the Sierra 2500HD AT4 is equipped with an off-road-tuned suspension, skid plates, and hill descent control to conquer the most challenging terrain. The integrated trailer brake controller and available gooseneck/fifth-wheel prep package make this truck a true workhorse, ready to handle any towing task with ease.

Whether you're tackling a job site, exploring the great outdoors, or just need a capable and comfortable daily driver, the 2020 GMC Sierra 2500HD AT4 is the perfect companion. Experience the uncompromising power, advanced technology, and premium comfort that make this heavy-duty pickup a true standout in its class. Visit our showroom today and let us demonstrate why the Sierra 2500HD AT4 is the ultimate choice for those who demand the best.

Buyers Guide

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: Diesel Fuel
  • Horse Power
    • Horse Power: 445
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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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: $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.