New 2026 Gmc Sierra 3500 HD AT4

$91,109

Financing as low as $1,489 per month.

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Key Features

Mileage

0

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

N/A

Fuel Type

Diesel

MPG

N/A

Color

N/A

Title

Clean

Contact Seller

Bo

Bob Pion Buick GMC

333 Memorial Dr

Chicopee, MA 01020

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

Dealer Description

The 2026 GMC Sierra 3500 HD AT4 features a 6.6L Duramax Turbo-Diesel V8 engine and a host of premium amenities. With a rugged Coastal Dune exterior and a Jet Black with Kalahari accents interior, this truck is designed for both work and comfort. It comes equipped with advanced technology, a smooth automatic transmission, and a suite of safety features to help you drive with confidence.

Features & Options

  • AT4 Preferred Package
  • AT4 Premium Plus Package
  • Technology Package
  • X31 Off-Road Package
  • Trailering Package
  • ProGrade Trailering System
  • Sierra HD Pro Safety
  • AT4 high clearance step
  • Gooseneck/5th Wheel Prep Package
  • Snow Plow Prep/Camper Package
  • Rear Camera Mirror
  • Head-Up Display
  • Wireless Apple CarPlay
  • Wireless Android Auto
  • Bose Premium Sound System
  • SiriusXM with 360L Trial Subscription
  • Wi-Fi Hotspot capable
  • Power sunroof
  • Rainsense automatic wipers
  • LED fog lamps
  • IntelliBeam automatic high beams

Vehicle History Report

VIN: 1GT4UVEY6TF128570

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

Seller Details

Listed 10/13/2025

View original listing
Bo

Bob Pion Buick GMC

333 Memorial Dr

Chicopee, MA 01020

Phone

413-206-9251

Location

Contact Seller

Bo

Bob Pion Buick GMC

333 Memorial Dr

Chicopee, MA 01020

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

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