Used 2021 Gmc Sierra AT4

$47,285

Financing as low as $773 per month.

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Key Features

Mileage

138,465

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Summit White / Jet Black

Title

Clean

Contact Seller

Tr

Triple Crown Ford

2975 W Washington

Stephenville, TX 76401

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

Dealer Description

Elevate Your Driving Experience with the Powerful 2021 GMC Sierra 2500HD AT4. Introducing the 2021 GMC Sierra 2500HD AT4, a rugged and capable off-road beast that's ready to conquer any terrain. This impressive truck is packed with advanced features and premium amenities that will elevate your driving experience to new heights. Powered by the mighty Duramax 6.6L V8 Turbodiesel engine, this Sierra 2500HD AT4 delivers an impressive 445 horsepower and a staggering 910 lb-ft of torque, ensuring you have the power to tackle any task with ease. The 10-speed automatic transmission and 4WD system provide seamless and responsive performance, whether you're navigating rugged off-road terrain or towing heavy loads. The exterior of the Sierra 2500HD AT4 is designed to turn heads, with its bold and aggressive styling, including a painted black grille surround, LED lighting, and 20-inch machined aluminum wheels with high-gloss black accents. Step inside the cabin, and you'll be greeted by a premium, well-appointed interior that's designed for both comfort and functionality. The leather-appointed seats, heated and ventilated front seats, and heated steering wheel provide a luxurious driving experience, while the Bose premium audio system and wireless charging pad ensure you stay connected and entertained. The 2021 GMC Sierra 2500HD AT4 is also packed with advanced technology features that make it a standout in its class.

Features & Options

  • Bluetooth
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Heated Seats
  • Keyless Entry
  • Leather Seats
  • Wi-Fi Hotspot
  • Auto Dimming Mirror
  • Automatic High Beams
  • Emergency Brake Assist
  • Lane Departure Warning
  • Sunroof/Moonroof
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera

Vehicle History Report

VIN: 1GT49PEY3MF143283

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Seller Details

Listed 12/3/2025

View original listing
Tr

Triple Crown Ford

2975 W Washington

Stephenville, TX 76401

Phone

833-853-6456

Location

Contact Seller

Tr

Triple Crown Ford

2975 W Washington

Stephenville, TX 76401

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

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