Used 2021 Gmc Sierra AT4

$60,499

Financing as low as $988 per month.

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Key Features

Mileage

39,029

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Onyx Black / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

Ma

Maguire Chrysler Dodge Jeep Ram Watkins Glen

502 N Franklin St

Watkins Glen, NY 14891

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

Dealer Description

Command attention and conquer any challenge with the Onyx Black 2021 GMC Sierra 2500HD AT4 4WD, available now at Maguire Chrysler Dodge Jeep Ram of Syracuse. Built for those who demand power, luxury, and capability in equal measure, this heavy-duty truck delivers confidence whether you're towing, hauling, or exploring off the beaten path. Under the hood, the Duramax 6.6L V8 Turbodiesel engine pairs with a 10-speed automatic transmission to produce remarkable torque and towing strength, giving you the muscle to handle even the toughest jobs. The 4WD system and AT4 off-road suspension with skid plates, Rancho shocks, and a 2-inch factory lift ensure rugged performance and stability across any terrain. The Onyx Black exterior exudes sophistication and strength, complemented by bold red recovery hooks, 18-inch machined aluminum wheels with all-terrain tires, and AT4-exclusive badging. Inside, the Jet Black leather interior with Kalahari accents strikes the perfect balance between refinement and durability. Enjoy premium comfort and technology features such as heated and ventilated front seats, a heated steering wheel, dual-zone climate control, Apple CarPlay and Android Auto, and a Bose premium sound system. Whether you're at the job site or heading out for a weekend adventure, the 2021 GMC Sierra 2500HD AT4 combines professional-grade performance with first-class comfort. Visit Maguire Chrysler Dodge Jeep Ram of Syracuse today to experience this powerful, diesel-driven Sierra AT4 and discover why it stands apart in the world of heavy-duty trucks.

Features & Options

  • AWD
  • Android Auto
  • Apple CarPlay
  • Backup Camera
  • Fog Lights
  • Heated Seats
  • Keyless Entry
  • Lane Departure Warning
  • Memory Seats
  • Parking Sensors / Assist
  • Power Seats
  • Premium Audio
  • Premium Plus Package
  • Sunroof / Moonroof
  • Technology Package
  • Tow Package
  • Wireless Phone Charging

Vehicle History Report

VIN: 1GT49PEY4MF233008

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Seller Details

Listed 12/3/2025

View original listing
Ma

Maguire Chrysler Dodge Jeep Ram Watkins Glen

502 N Franklin St

Watkins Glen, NY 14891

Phone

607-703-3289

Location

Contact Seller

Ma

Maguire Chrysler Dodge Jeep Ram Watkins Glen

502 N Franklin St

Watkins Glen, NY 14891

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

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