Used 2021 Gmc Sierra 1500 AT4

$44,958

Financing as low as $735 per month.

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Key Features

Mileage

55,277

Drivetrain

4WD

Engine

5.3L 8 Cylinder

Transmission

N/A

Fuel Type

Gasoline

MPG

15 / 21

Color

N/A

Title

Clean

Contact Seller

Tu

Tustin Buick GMC

1 Auto Center Dr

Tustin, CA 92782

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

Dealer Description

The 2021 GMC Sierra 1500 4WD Crew Cab Short Box AT4 is an impressive blend of power and sophistication. This vehicle comes equipped with remarkable packages such as Preferred Equipment Group 4SB and AT4 Preferred Package, enhancing both its functionality and aesthetics. At the heart of the GMC Sierra lies the robust EcoTec3 5.3L V-8 engine, delivering 355 horsepower through a 10-speed automatic transmission. This powerful engine is designed with advanced gasoline direct injection and variable valve control, ensuring an efficient and dynamic driving experience. The addition of cylinder deactivation optimizes fuel economy, making it a practical choice for both city commuting and off-road adventures.

Features & Options

  • Rear camera : HD Rear Vision Camera w/Hitch View rear mounted camera
  • Brake assist system : Brake assist system
  • StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • LED front fog lights
  • LED low and high beam headlights
  • Hill Descent Control (HDC)
  • Hill Start Assist (HSA)
  • Integrated navigation system
  • Apple CarPlay/Android Auto smart device mirroring
  • Bluetooth handsfree wireless device connectivity
  • Bose speakers
  • Wireless smart device charging
  • Trailer brake controller
  • Trailer Sway Control trailer sway control
  • Trailer wiring harness
  • Trailering Assist Guidelines vehicle and trailer reverse assist with visual graphic guidance only
  • Hitch Guidance vehicle to trailer hitching assist

Vehicle History Report

VIN: 3GTP9EED8MG349826

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Seller Details

Listed 11/22/2025

View original listing
Tu

Tustin Buick GMC

1 Auto Center Dr

Tustin, CA 92782

Phone

866-362-9920

Location

Contact Seller

Tu

Tustin Buick GMC

1 Auto Center Dr

Tustin, CA 92782

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

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