Used 2021 Gmc Sierra 1500 AT4

 80,613 miles
 Diesel
 Bedford, PA

$37,995

AI Analysis:

$36,433 average market price. 

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Key Features

Mileage

80,613 miles

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

14 / 19

Color

Summit White / Jet Black With Kalahari Accents

Title

Clean

VIN

1GTU9EET3MZ316663

Contact Seller

Th

Thomas Bedford Chevrolet

4004 Business 220

Bedford, PA 15522

Financing Available

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$643 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

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Dealer Description

Ready for work and weekend adventures, this 2021 GMC Sierra 1500 AT4 4WD combines rugged capability with refined comfort. Powered by a torquey 6-cylinder 3.0L Diesel engine, this GMC Sierra delivers excellent fuel efficiency and confident towing performance while preserving a quiet, comfortable ride. Finished in a commanding exterior and thoughtfully appointed interior, the AT4 trim brings off-road-ready suspension and premium accents for a capable, upscale experience. Enjoy cold mornings with Remote Start and a Heated Steering Wheel. Driver-assist features like Lane Departure Warning enhance safety on long drives, while Steering Wheel Audio Controls keep entertainment and calls within easy reach. This GMC Sierra is documented as a CARFAX 1-Owner vehicle, reflecting consistent care and a clean ownership history. Located in McConnellsburg, PA, this 2021 GMC Sierra AT4 is priced to move — the best price available for comparable AT4 Diesel models in the region. Whether you need a dependable work truck, a weekend trail-hauler, or an highway cruiser with diesel economy, this GMC Sierra checks the boxes.

Features & Options

  • Leather upholstery
  • Automatic temperature control
  • Wireless phone connectivity
  • Front dual zone A/C
  • Auto-dimming rearview mirror
  • Split folding rear seat
  • Memory seat
  • Heated front seats
  • Ventilated front seats
  • Perimeter/approach lights
  • Remote keyless entry
  • Heated steering wheel
  • Power Sunroof
  • MulitPro Audio System by Kicker
  • Apple CarPlay/Android Auto smart device mirroring
  • Forward Collision Alert with Automatic Braking
  • Front Pedestrian Braking
  • HD Rear Vision Camera w/Hitch View rear mounted camera
  • Lane Keep Assist with Lane Departure Warning
  • Adaptive cruise control

Vehicle History Report

VIN: 1GTU9EET3MZ316663

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

Seller Details

Listed 3/26/2026

View original listing
Th

Thomas Bedford Chevrolet

4004 Business 220

Bedford, PA 15522

Phone

814-682-**** Show number

Location

Contact Seller

Th

Thomas Bedford Chevrolet

4004 Business 220

Bedford, PA 15522

Financing Available

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

$643 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Powered by MyAutoLoan.

Explore More Options