New 2026 Gmc Sierra 3500 HD AT4

$84,824

Financing as low as $1,386 per month.

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Key Features

Mileage

0

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic Transmission

Fuel Type

Diesel

MPG

N/A

Color

Not Provided

Title

Clean

Contact Seller

Co

Courtesy Buick GMC

7 Autocenter Drive

Louisville, KY 40299

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

Dealer Description

The 2026 GMC Sierra 3500 HD AT4 is a new truck in transit at Courtesy Buick GMC in Louisville, KY. It features a 6.6L Duramax Turbo-Diesel V8 engine, 4WD drivetrain, and a range of premium interior and exterior features. The vehicle is equipped with advanced safety and technology systems, including a head-up display, adaptive cruise control, and a premium infotainment system with Google built-in. The Sierra 3500 HD AT4 is designed for both heavy-duty work and comfort, offering seating for up to five and a spacious cabin. Its exterior is Coastal Dune, with a Jet Black interior accented by Kalahari. This truck is intended for customers seeking capability, comfort, and the latest in technology and safety.

Features & Options

  • Bluetooth Backup Camera
  • AT4 Preferred Package
  • LED Smoked Amber Roof Marker Lamps
  • Power Sliding Rear Window with Defogger
  • Universal Home Remote
  • AT4 Premium Plus Package
  • Off-Road High Clearance Step
  • Power Sunroof
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 4SB
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • 2 Charge-Only Rear USB Ports
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 USB Ports
  • 2-Speed Active Transfer Case
  • Bed View Camera with 2 Trailer Camera Provisions
  • Bose Premium 7-Speaker Sound System
  • Deep-Tinted Glass
  • Electric Rear-Window Defogger

Vehicle History Report

VIN: 1GT4UVEY1TF123079

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

Seller Details

Listed 9/17/2025

View original listing
Co

Courtesy Buick GMC

7 Autocenter Drive

Louisville, KY 40299

Phone

833-291-7775

Location

Contact Seller

Co

Courtesy Buick GMC

7 Autocenter Drive

Louisville, KY 40299

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

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