Certified 2021 Gmc Sierra 2500 HD AT4

$59,985

Financing as low as $980 per month.

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Key Features

Mileage

66,907

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

Allison 10 Speed Automatic Transmission

Fuel Type

Diesel

MPG

N/A

Color

Onyx Black / Jet Black / Kalahari

Title

Clean

Contact Seller

Ke

Kevin Grover GMC

1440 S. Dewey

Wagoner, OK 74467

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

Dealer Description

Discover rugged capability and premium refinement in this Certified Pre-Owned 2021 GMC Sierra 2500HD AT4 with the legendary Duramax 6.6L Turbo-Diesel V8 engine. This heavy-duty pickup blends professional-grade strength with off-road confidence and upscale comfort, making it an exceptional choice for work, play, or anything in between. The AT4 trim gives this Sierra a bold, athletic appearance with a distinctive grille, signature AT4 badging, red recovery hooks, and a factory-installed 2-inch suspension lift for increased ground clearance. Its 4WD system, skid plates, and off-road tuned suspension are built to handle challenging terrain, while the Duramax engine paired with the Allison transmission delivers outstanding towing power and reliability. Inside, you'll find a refined, driver-focused cabin with premium materials and a host of technology features designed to keep you connected and comfortable. Expect an intuitive touchscreen infotainment system with Apple CarPlay and Android Auto, wireless connectivity, premium seating, dual-zone automatic climate control, and thoughtful storage throughout. This Sierra 2500HD AT4 also includes advanced safety and driver-assistance features to give you added confidence on the road. Because it's a Certified Pre-Owned GMC, this truck has undergone a rigorous multi-point inspection and comes with the assurance of factory-backed warranties, so you can enjoy peace of mind along with its outstanding capability. Whether you need heavy-duty performance for work or a go-anywhere truck for your adventures, this 2021 GMC Sierra 2500HD AT4 Duramax is ready to exceed your expectations.

Features & Options

  • Android Auto
  • Apple CarPlay
  • Automatic climate control
  • Backup camera
  • Bluetooth
  • Fog lights
  • Keyless entry
  • Lane departure warning
  • Leather seats
  • Parking sensors / assist
  • Power seats
  • Premium audio
  • Premium Plus Package
  • Remote start
  • Side-impact air bags
  • Sunroof / moonroof
  • Technology package
  • Tow package
  • Wireless phone charging

Vehicle History Report

VIN: 1GT49PEY8MF267355

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Seller Details

Listed 9/15/2025

View original listing
Ke

Kevin Grover GMC

1440 S. Dewey

Wagoner, OK 74467

Phone

918-485-2188

Location

Contact Seller

Ke

Kevin Grover GMC

1440 S. Dewey

Wagoner, OK 74467

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

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