Used 2021 Gmc Sierra 1500 AT4

$36,598

Financing as low as $598 per month.

Key Features

Mileage

78,815

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

15 / 21

Color

Onyx Black / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

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

Dealer Description

This 2021 GMC Sierra 1500 AT4, has a Onyx Black exterior and Jet Black with Kalahari accents interior color with only 78,812 miles. Stock Number N368767. You can connect with us by calling (719) 249-2703. No Accidents! One Owner! At Mike Maroone Chevrolet North, were here to Serve you! Our staff is 100% dedicated to customer satisfaction and we understand that you need clear, transparent information throughout the car buying process. With our live market pri.

Features & Options

  • Trailering Package
  • ProGrade Trailering System
  • Hitch Guidance
  • Hitch View
  • In-Vehicle Trailering App
  • Heavy-Duty Air Filter
  • Auxiliary External Transmission Oil Cooler
  • Auto-Locking Rear Differential
  • Hill Descent Control
  • Skid Plates
  • Off-Road Suspension
  • Integrated Trailer Brake Controller
  • 2-Speed Transfer Case
  • Front Bucket Seats
  • 10-Way Power Driver Seat Adjuster with Lumbar
  • Driver Memory
  • 10-Way Power Passenger Seat Adjuster with Lumbar
  • Engine Block Heater
  • 220 Amp Alternator
  • Engine: Duramax 3.0L Turbo-Diesel I6
  • 850 Heavy-Duty Battery

Vehicle History Report

VIN: 3GTU9EET0MG368767

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

Seller Details

Listed 12/11/2025

View original listing
Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

Phone

866-424-2164

Location

Contact Seller

Mi

Mike Maroone Chevrolet GMC Longmont

1415 Vista View Dr

Longmont, CO 80504

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

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