Reduced by $474 since May 30, 2026

2020 GMC Sierra 1500 SLT



$456 /month
5.9% APR
72 months
  • Documentation Fee $699
  • Starting Price $26,890
  • Down Payment $0
*Excludes tax, title & fees
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Vehicle Information

VIN: 3GTU9DET9LG188082
Stock #: TLG188082A
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Onyx Black
  • Interior Color Jet Black, Perforated Leather-Appointed Front Seat Trim
  • Mileage 158,472
  • 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 2020 GMC Sierra 1500 SLT is a rugged and capable truck that's ready to take on any task. With its powerful 3.0L I6 Diesel Turbocharged engine, 10-speed automatic transmission, and 4-wheel drive, this Sierra delivers impressive performance and versatility.

- LEATHER SEATS
- Onyx Black exterior
- Black interior
- ENGINE BLOCK HEATER
- SLT PREMIUM PLUS PACKAGE
- 275/60R20SL ALL-TERRAIN, BLACKWALL TIRES
- X31 OFF-ROAD PACKAGE with off-road suspension, hill descent control, skid plates, and more

In addition to its impressive capabilities, this Sierra 1500 SLT is loaded with premium features:

- Premium Bose 7-speaker sound system
- Radio with navigation
- SiriusXM with 360L
- Heated and ventilated front seats
- Heated rear outboard seats
- Wireless charging
- Rear power sliding window
- And much more

Whether you're hauling heavy loads, tackling off-road adventures, or just enjoying the daily commute, this 2020 GMC Sierra 1500 SLT is a top-tier truck that's ready to exceed your expectations. Schedule a test drive today and experience its uncompromising performance and premium amenities firsthand.

Morristown Chevrolet proudly serves drivers throughout Morristown Talbott, Jefferson City, Dandridge, White Pine, Newport, Knox County, All Tri-cities, including Kingsport, Johnson City, and Bristol. Also, Washington, Bradley County, Hamilton County, Greene County, Russellville, Grainger County, Cocke County, Sevier county, and many more. the surrounding area. From new Chevrolet models to quality pre-owned vehicles, our team is here to provide a simple, transparent, and customer-focused experience every step of the way.

We also offer an exclusive Nationwide Lifetime Powertrain Warranty on select inventory. This warranty covers everything that the manufacturer considers part of the powertrain and can be used with any ASE Certified Mechanic across the country and even in Canada. Ask your salesperson if your vehicle qualifies.

Eligible Benefits

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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If provided, Advertised Price EXCLUDES all optional dealer offered items, accessories, or product addendums optionally selected by the purchaser, and official government charges, taxes and fees. Further, dealership charges a document processing fee of $799 regulated by TCA 55-17-114 and federal law, included in Advertised Price. Advertised prices INCLUDE factory-installed options installed by the manufacturer, and non-optional dealer-installed accessories already installed on the vehicle by the dealer at time of advertising. For new vehicles, advertised price also includes MSRP and factory transportation costs. By submitting your information, you consent to receive all forms of communication including but not limited to phone, text, email, mail, etc. Message and data rates may apply. Consent to these terms is not a condition of purchase. You may opt out at any time. MPG based on model year EPA mileage ratings. Use for comparison purposes only. Certain discounts and incentives may be available to all of the general public, or may have certain conditions, such as being financed through a required specific lender, call Dealer for details or see disclosures herein. Certain used vehicles may be subject to important Wholesale to the Public disclosures provided to you prior to purchase; please consider carefully before your purchase decision. If made, references to the dealer’s Lifetime Limited Powertrain Warranty (LLPW) only relate to vehicles that qualify for such LLPW due to age and mileage status.

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