Used 2021 Gmc Sierra 1500 AT4

 52,425 miles
 Diesel
 McAllen, TX

$45,384

AI Analysis:

$41,654 average market price. 

View Full Analysis.

Key Features

Mileage

52,425 miles

Drivetrain

4WD

Engine

3L I6 DOHC Turbo

Transmission

10 Speed Automatic Transmission

Fuel Type

Diesel

MPG

15 / 21

Color

Summit White / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

So

South Texas Buick-GMC

4220 W Exp 83

McAllen, TX 78501

Financing Available

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

$768 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

Curious what you can afford?

Avoid dealer markup and get straight to driving. Compare rates from multiple lenders instantly to ensure you’re getting the best deal possible.

Compare rates with MyAutoLoan

Dealer Description

Clean CARFAX. Summit White 2021 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6. We are open for all your sales and service needs! Complete online buying experience available! Call 956-661-5000 to schedule your contact free test drive today! Recent arrival! Odometer is 28255 miles below market average! 22/26 City/Highway MPG.

Features & Options

  • 4WD
  • 10-Speed Automatic Transmission
  • 3.0L Duramax Turbo-Diesel I6 Engine
  • AT4 High Clearance Step
  • Apple CarPlay/Android Auto
  • Bluetooth
  • HD Rear Vision Camera
  • Heated Driver & Front Outboard Passenger Seating
  • Heated Steering Wheel
  • Heated 2nd Row Outboard Seats
  • Hill Descent Control
  • Hitch Guidance with Hitch View
  • Integrated Trailer Brake Controller
  • Keyless Open & Start
  • Leather-wrapped Steering Wheel
  • Memory Seat, Power Trim Package Trims, MultiPro Audio System by Kicker, Premium Front Floor Liners with Removable Carpet Insert, Premium Rear Floor Liners with Removable Carpet Insert, Rear Prem Floor Liners with Removable Carpet Insert, Rear Window Defroger, Remote Vehicle Starter System, Spray-On Pickup Bed Liner w/AT4 Logo, SiriusXM w/360L, Steering Wheel Audio Controls, Tachometer, Telescoping Steering Wheel, Theft Deterrent System Unauthorized Entry, Tilt Steering Wheel, Traction Control, Trailering Package, Up-level Rear Seat with Storage Package, Ventilated Driver & Front Passenger Seats.

Vehicle History Report

VIN: 3GTU9EET8MG422638

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

Seller Details

Listed 1/24/2026

View original listing
So

South Texas Buick-GMC

4220 W Exp 83

McAllen, TX 78501

Phone

956-467-**** Show number

Location

Contact Seller

So

South Texas Buick-GMC

4220 W Exp 83

McAllen, TX 78501

Financing Available

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

$768 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

Explore More Options