Used 2021 Gmc Sierra 1500 AT4

$45,998

Financing as low as $752 per month.

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Key Features

Mileage

55,799

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

22 / 26

Color

Cardinal Red / Cloth Headliner Material

Title

Clean

Contact Seller

Th

The Garage

5305 Avenue Q

Lubbock, TX 79412

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

Dealer Description

Unleash the power and versatility of the 2021 GMC Sierra 1500 AT4, a truck that combines rugged capability with refined style. Dressed in striking Cardinal Red, this Crew Cab Short Box is designed to turn heads while conquering any terrain. Under the hood lies a robust Duramax 3.0L inline-6 diesel engine delivering an impressive 277 horsepower and a formidable 460 lb-ft of torque, ensuring you have all the muscle needed for towing or off-road adventures. Paired with a smooth-shifting 10-speed automatic transmission and advanced four-wheel drive system, this Sierra offers both performance and efficiency. Step inside to experience premium comfort with spacious seating for your crew and cutting-edge technology at your fingertips. Whether you're navigating city streets or exploring backcountry trails, this truck's innovative features provide safety and convenience every mile of the journey. Don't miss out on owning a vehicle that embodies strength, luxury, and reliability—visit us today to test drive the remarkable GMC Sierra 1500 AT4! Embrace adventure like never before; seize this opportunity now!

Features & Options

  • Four-wheel drive
  • Duramax 3.0L inline-6 diesel engine
  • 10-speed automatic transmission
  • Heated steering wheel
  • Leather and metal-look steering wheel
  • Dual-zone front climate control
  • Automatic climate control
  • Keyless entry and ignition keyless entry
  • Power driver and passenger door mirrors with tilt down in reverse
  • MultiPro Tailgate tailgate
  • LED low and high beam headlights
  • LED daytime running lights
  • Trailer Sway Control trailer sway control
  • Trailer hitch light
  • CornerStep rear bumper step
  • Integrated tailgate step
  • StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Brake assist system
  • Curtain first and second-row overhead airbags

Vehicle History Report

VIN: 3GTU9EET3MG401146

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

Seller Details

Listed 10/16/2025

View original listing
Th

The Garage

5305 Avenue Q

Lubbock, TX 79412

Phone

806-317-1777

Email

sales@thegaragelubbock.com

Location

Contact Seller

Th

The Garage

5305 Avenue Q

Lubbock, TX 79412

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

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