New 2026 Gmc Sierra HD AT4

$92,920

Financing as low as $1,518 per month.

Get Financing through LightStream

Key Features

Mileage

0

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Sterling Metallic / Jet Black W/Kalahari Accents

Title

Clean

Contact Seller

Ha

Halladay Auto Group

123 Main St

Cheyenne, WY 82001

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

Dealer Description

The 2026 GMC Sierra 3500 AT4 offers a powerful Duramax 6.6L Turbo-Diesel V8 engine, delivering up to 470 horsepower and 975 lb-ft of torque. This crew cab pickup features a premium GMC Infotainment system with a 13.4" color touch screen, dual-zone automatic climate control, and an array of safety and convenience features. With its advanced technology, rugged capability, and comfortable interior, the Sierra 3500 AT4 is designed for both work and play.

Features & Options

  • Adaptive Cruise Control
  • Android Auto
  • Apple CarPlay
  • Automatic climate control
  • Backup Camera
  • Blind Spot Monitor
  • Bluetooth Connection
  • Bluetooth
  • Navigation System
  • Park Assist
  • Power Driver Seat
  • Power Passenger Seat
  • Rear Parking Aid
  • Rear Cross Traffic Alert
  • Trailer Brake Controller
  • Trailer Side Blind Zone Alert
  • Following Distance Indicator
  • Safety Alert Seat
  • Rear Seat Reminder
  • Teen Driver Mode/Alerts

Vehicle History Report

VIN: 1GT4UVEY6TF145997

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

Seller Details

Listed 10/14/2025

View original listing
Ha

Halladay Auto Group

123 Main St

Cheyenne, WY 82001

Phone

888-361-3594

Location

Contact Seller

Ha

Halladay Auto Group

123 Main St

Cheyenne, WY 82001

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

Explore More Options