Used 2021 Gmc Sierra 1500 AT4

 111,722 miles
 Diesel
 Byron, GA

$34,700

AI Analysis:

$35,401 average market price. You save $701 (2%). 

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Key Features

Mileage

111,722 miles

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

N/A

Fuel Type

Diesel

MPG

15 / 21

Color

N/A

Title

Clean

Contact Seller

Co

Countryside Chevrolet

211 Chapman Rd

Byron, GA 31008

Financing Available

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$587 / month

  • Rates as low as 4.09% APR

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  • Same-day approval

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Dealer Description

Discover the rugged elegance and exceptional value of this 2021 GMC Sierra 1500 AT4 4WD, now available in Byron, GA. Powered by a smooth and efficient 6-cylinder, 3.0L diesel engine, this GMC Sierra AT4 delivers impressive torque and towing capability while maximizing fuel economy for drivers who demand performance and practicality. Built for adventure and refined for daily driving, this truck combines off-road-ready AT4 suspension with upscale comforts. Safety and convenience are prioritized with advanced driver-assist features including Lane Keep Assist, Cross-Traffic Alert, and Adaptive Cruise Control designed to reduce stress on long drives and busy commutes. Stay connected and hands-free with integrated Bluetooth, and enjoy premium audio quality from the BOSE stereo system for an elevated in-cab experience. This 2021 GMC Sierra AT4 offers a commanding presence with rugged styling, a comfortable interior loaded with technology, and 4-wheel drive capability to conquer any terrain. Whether towing, hauling, or navigating city streets, this truck stands out for capability, comfort, and confidence. Located in Byron, GA, this vehicle is competitively priced and represents the best price in the area exceptional value for a well-equipped diesel GMC Sierra AT4. Act quickly to secure this outstanding 2021 GMC Sierra 1500 AT4 4WD with 3.0L diesel, premium features, and unbeatable local pricing in Byron, GA. Schedule a test drive today and experience the difference.

Features & Options

  • Navigation system
  • Android Auto
  • Bluetooth phone system
  • Apple CarPlay
  • Remote start feature
  • Leather seats
  • Lane Keep Assist
  • Rear Cross Traffic Alert
  • Adaptive Cruise Control
  • HD Surround Vision
  • Bed View Camera
  • Rear Camera Mirror
  • Head-Up Display
  • Heated driver and front outboard passenger seats
  • Heated steering wheel
  • Ventilated driver and front passenger seats
  • Wireless Charging
  • Power sunroof
  • Power sliding rear window with rear defogger
  • Spray-on bedliner
  • Skid plates

Vehicle History Report

VIN: 1GTU9EET8MZ171250

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

Seller Details

Listed 12/31/2025

View original listing
Co

Countryside Chevrolet

211 Chapman Rd

Byron, GA 31008

Phone

478-207-**** Show number

Location

Contact Seller

Co

Countryside Chevrolet

211 Chapman Rd

Byron, GA 31008

Financing Available

Pre-qualification takes just minutes. Compare multiple offers and save!

$587 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

Explore More Options