2020 GMC Sierra 2500 HD AT4



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Vehicle Information

VIN: 1GT49PEY0LF225910
Stock #: FP3378A
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 102,717
  • 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

Summary
*** All prices INCLUDE $5,100 minimum discount, valid 4/8/2026 – 4/11/2026 on in-stock pre-owned inventory. No other sales promotions apply. Must take delivery by 4/11/2026 ***

*Backup Camera* ***Apple Car Play / Android Auto*** *Multi-Zone Climate Control* **Heated and Cool Seats** **Heated Steering Wheel** *Keyless Entry* *Leather* *Power Locks* *Power Windows* *Premium Audio / Sound* **Diesel** *Steering Wheel Controls*

Vehicle Details
2020 GMC Sierra 2500 AT4 4WD – Burlington WI

Discover rugged capability and refined comfort with this 2020 GMC Sierra 2500 AT4, located in Burlington, WI. Powered by a robust 6.6L V8 diesel and equipped with 4WD, this heavy-duty pickup delivers class-leading towing, impressive torque, and confident performance whether you're hauling on the highway or working off-road. The AT4 off-road package adds enhanced suspension, skid plates, and hill descent control for serious trail capability without sacrificing on-road refinement.

Inside, premium leather seats provide long-distance comfort while a suite of modern tech keeps you connected and entertained. Apple CarPlay and Android Auto integrate your smartphone seamlessly for navigation and messaging, while the BOSE stereo and steering wheel audio controls deliver crisp, immersive sound and convenient operation. Thoughtful interior features and durable materials make the cabin ideal for both work and weekend adventures.

Safety and convenience options include advanced towing aids and driver-assist features designed to make heavy-duty driving easier and safer. Well-maintained and ready for immediate use in Burlington, WI, this GMC Sierra 2500 AT4 represents a powerful, versatile choice for owners who demand capability, comfort, and technology in a diesel pickup. Contact us today to schedule a test drive and experience its performance firsthand.

Equipment
This GMC Sierra features a high end BOSE stereo system. Protect this 2020 GMC Sierra 2500 from unwanted accidents with a cutting edge backup camera system. Keep your hands warm all winter with a heated steering wheel in this 3/4 ton pickup . You'll never again be lost in a crowded city or a country region with the navigation system on it. This model features a hands-free Bluetooth® phone system. This model comes equipped with Android Auto for seamless smartphone integration on the road. Start this GMC Sierra from inside with remote start. An off-road package is equipped on this GMC Sierra. The steering wheel audio controls on the GMC Sierra keep the volume and station within easy reach. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This vehicle's Lane Departure Warning keeps you safe by alerting you when you drift from your lane.

Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting. Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning. AT4 Premium Package: 6" Rectangular Black Tubular Assist Steps; 20" 6-Spoke Bright Machined Aluminum Wheels. Technology Package: 8" Multicolor Driver Instrument Info Display; HD Surround Vision with 2 Trailer View Camera Provisions; Multicolor 15" Diagonal Head-Up Display; Bed View

Eligible Benefits

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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*Dealer Discount applies to everyone *Lynch Market Adjustments are based on the supply and demand of vehicles as well as the current market situation. This takes in to account all factors including the impact of the pandemic and the shortages that exist. Tax, Title, Tags, and Service Fee not included in vehicle prices shown and must be paid by the purchaser. We make every effort to provide accurate information. All prices, specifications and availability subject to change without notice. Price listed assumes vehicle purchased in same zip code as dealership location. Dealer may not be held liable for errors. Pricing may not include Dealer Add-ons and/or Accessories. Special financing may be available in lieu of factory rebates. Contact dealer for most current information. Tax, title, license, and service fee (unless itemized above) are extra. Not available with special finance, lease and some other offers. Manufacturer's Suggested Retail Price may not represent the actual sales price.

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

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