Reduced by $5,000 since Aug 06, 2026

2020 GMC Sierra 1500 Denali



  • $28,995 Marion Motors Price


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Vehicle Information

VIN: 3GTU9FET5LG429275
Stock #: P4296
Model Code: TK10743
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color White Frost Tricoat
  • Interior Color Dark Walnut/Dark Ash Grey, Forge Perforated Leather-Appointed Seat Trim
  • Mileage 99,822
  • 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 Denali delivers premium capability with a turbocharged 3.0L I-6 diesel engine paired to a smooth 10-speed automatic transmission and 4WD. White Frost Tricoat exterior with Dark Walnut and Dark Ash Grey leather interior creates a refined, commanding presence, while the crew cab standard bed configuration offers both comfort and practicality.

- Full Tank of Gas
- Heated front and rear seats with ventilation
- Premium Bose 7-Speaker Sound System with Apple CarPlay
- Denali Ultimate Package with signature grille and trailering system
- Engine Block Heater
- HD Surround Vision with trailer view cameras
- Well Maintained with special financing available

This Sierra is ready to impress. With an EPA-estimated 22 city / 26 highway MPG and comprehensive Denali appointments, it combines efficiency with luxury features designed for serious truck buyers.

Shop Marion Motors GM in Marion, Illinois, for a great selection of new and used cars, trucks, and SUVs. Conveniently serving drivers from Marion, Herrin, Carbondale, Harrisburg, Mt. Vernon, Southern Illinois, Paducah, Kentucky, and Cape Girardeau, Missouri, Marion Motors GM is your local destination for your next new or pre-owned vehicle. Browse our inventory online or contact us today to schedule a test drive!

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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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.