Reduced by $2,104 since Jun 27, 2026

2020 GMC Sierra 1500 SLT



  • $32,335 BEST PRICE

  • Retail Price $31,846
    • $489
  • Internet Price $32,335

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Vehicle Information

VIN: 3GTU9DET3LG290655
Stock #: 35099A
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Dark Walnut/Slate, Perforated Leather-Appointed Front Seat Trim
  • Mileage 104,140
  • Fuel Economy
    City/Highway 15/20 MPG
  • Engine Engine: 3.0L, DuraMax Turbo-Diesel, Inline 6 Cylinder
  • Transmission Automatic
  • Fuel Type Diesel Fuel

Highlighted Features

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

Dealer Comments

This impressive 2020 GMC Sierra 1500 SLT is a rugged and capable full-size pickup that's ready to take on any challenge. Equipped with a powerful 3.0L I6 Diesel Turbocharged (Duramax) engine and 4-wheel drive, this Sierra delivers exceptional performance and off-road prowess.

- Engine Block Heater
- 3.0L I-6 Diesel Turbocharged (Duramax) Engine
- Texas Edition SLT Premium Plus Package
- 275/60R20SL All-Terrain, Blackwall Tires
- X31 Off-Road Package with Off-Road Suspension

The Sierra SLT's premium features and advanced technology create an unparalleled driving experience. Enjoy the convenience of the Bose 7-speaker sound system, wireless charging, and 4G LTE Wi-Fi hotspot. Safety is enhanced with Adaptive Cruise Control, Forward Collision Alert, and Lane Keep Assist.

This truck is outfitted with premium amenities that elevate every journey. Relax in the heated and ventilated leather-appointed front seats, stay connected with Apple CarPlay/Android Auto, and keep your cargo secure with the spray-on bedliner.

Whether you're hauling heavy loads or conquering the great outdoors, this 2020 GMC Sierra 1500 SLT is the ultimate partner for your adventures. Schedule a test drive today and experience the power and capability of this exceptional full-size pickup.

All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 15 MPG
    • Hwy: 20 MPG
    • Combined: 17 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Diesel Fuel
  • Horse Power
    • Horse Power: 277
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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May not represent actual vehicle. (Options, colors, trim and body style may vary)

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