Used 2020 Gmc Sierra 1500 SLT

$39,699

Financing as low as $649 per month.

Get Financing through LightStream

Key Features

Mileage

41,694

Drivetrain

4WD

Engine

5.3L 8 Cylinder

Transmission

10 Speed Automatic

Fuel Type

Gasoline

MPG

16 / 22

Color

Dark Sky Metallic / Jet Black

Title

Clean

Contact Seller

Au

Aunt Penny

11599 Lincoln Hwy

Irwin, PA 15642

By submitting this form, you agree to be contacted by the seller.

Dealer Description

The 2020 GMC Sierra 1500 SLT 4WD Crew Cab in Dark Sky Metallic is the perfect blend of power, luxury, and technology. Equipped with a 5.3L EcoTec3 V8 engine and a 10-speed automatic transmission, this truck delivers exceptional towing and confident performance. Inside, premium comfort features include leather-appointed heated and ventilated seats, dual-zone climate control, and a Bose premium audio system with navigation on an 8-inch HD touchscreen. Advanced safety tech like Forward Collision Alert, Lane Keep Assist, and Blind Spot Monitoring provide added confidence on every drive. With the SLT Premium Plus Package, X31 Off-Road Package, spray-on bedliner, chrome assist steps, and 20-inch polished aluminum wheels, this Sierra offers unmatched capability and refinement both on and off the road.

Features & Options

  • AWD
  • Adaptive Cruise Control
  • Android Auto
  • Apple CarPlay
  • Fog Lights
  • Heated Seats
  • Keyless Entry
  • Lane Departure Warning
  • Lane Keep Assist
  • Memory Seats
  • Parking Sensors / Assist
  • Power Seats
  • Premium Audio
  • Premium Plus Package
  • Tow Package
  • Wireless Phone Charging

Vehicle History Report

VIN: 3GTU9DEDXLG231420

Check this vehicle's history for accidents, service records, ownership, and more.

Seller Details

Listed 10/17/2025

View original listing
Au

Aunt Penny

11599 Lincoln Hwy

Irwin, PA 15642

Phone

724-863-8200

Location

Contact Seller

Au

Aunt Penny

11599 Lincoln Hwy

Irwin, PA 15642

By submitting this form, you agree to be contacted by the seller.

Explore More Options