Used 2021 Gmc Sierra 1500 AT4

$34,795

Financing as low as $569 per month.

Get Financing through LightStream

Key Features

Mileage

109,069

Drivetrain

4WD

Engine

5.3L 8 Cylinder

Transmission

Automatic

Fuel Type

Gasoline

MPG

15 / 21

Color

Summit White / Jet Black / Kalahari

Title

Clean

Contact Seller

Sm

Smart Auto Group

3 Smart Drive

White Hall, AR 71602

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

Dealer Description

Ready for weekend adventures or weekday work, this 2021 GMC Sierra 1500 AT4 blends rugged capability with refined comfort. Powered by a proven 5.3L V8 and full-time 4WD, it delivers confident towing and impressive on- and off-road performance. The AT4 suspension, skid plates, and rugged exterior styling make clear this truck is built to go farther. Inside, premium materials and thoughtful features create a comfortable cockpit. Stay connected with Hands Free Bluetooth®, Android Auto, and Apple CarPlay for seamless phone integration and navigation. Convenience is enhanced by steering wheel audio controls and a heated steering wheel, perfect for cold mornings. The seats are supportive for long hauls, and the cabin offers generous storage and intuitive layout. Safety-oriented technology and strong build quality provide peace of mind whether hauling gear or commuting. With a spacious bed, capable payload, and integrated towing features, this GMC Sierra is ready for heavy-duty tasks and weekend fun alike. This vehicle has been inspected and detailed for immediate delivery. Competitive pricing and financing options are available. Schedule a test drive today to experience the power, comfort, and capability of this 2021 GMC Sierra 1500 AT4.

Features & Options

  • Bluetooth®
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Emergency Brake Assist
  • Rear View Camera
  • Turbo Charged Engine
  • Cruise Control
  • Skid Plates
  • Off-Road Suspension
  • Trailering Package
  • Heated Driver and Front Outboard Passenger Seating
  • Ventilated Driver and Front Passenger Seats
  • Keyless Open and Start
  • ProGrade Trailering System
  • Rear Wheelhouse Liners
  • Spray-On Pickup Bed Liner with AT4 Logo
  • Premium GMC Infotainment System Radio with Multi-Touch

Vehicle History Report

VIN: 3GTP9EED1MG423765

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

Seller Details

Listed 9/28/2025

View original listing
Sm

Smart Auto Group

3 Smart Drive

White Hall, AR 71602

Phone

870-376-0192

Location

Contact Seller

Sm

Smart Auto Group

3 Smart Drive

White Hall, AR 71602

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

Explore More Options