New 2026 Gmc Sierra HD AT4

$111,222

Financing as low as $1,817 per month.

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Key Features

Mileage

0

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

Allison 10 Speed Automatic Transmission

Fuel Type

Diesel

MPG

N/A

Color

Gray / Black

Title

Clean

Contact Seller

Da

Davis GMC Buick

115 WT Hill Blvd. South

Lethbridge, AB T1J 4T6

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

Dealer Description

The 2026 GMC Sierra 3500HD AT4 4WD Crew Cab Standard Box AT4 combines rugged heavy-duty capability with refined off-road readiness and modern comfort. Powered by a robust Duramax 6.6L V8 Turbo Diesel engine paired with a smooth Allison 10-speed automatic transmission, it offers exceptional towing and hauling strength. With its advanced 4WD system, heated seating, and cutting-edge technology, the Sierra 3500HD AT4 is built for demanding Canadian winters and heavy workloads alike. For drivers seeking a heavy-duty pickup that balances exceptional power, off-road capability, winter readiness, and upscale comfort, the 2026 GMC Sierra 3500HD AT4 4WD Crew Cab delivers with confidence and versatility.

Features & Options

  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heated Seats
  • Keyless Entry
  • Lane Assist
  • Leather Seats
  • Navigation System
  • Parking Sensors
  • Power Seats
  • Power Windows
  • Remote Start
  • Running Boards
  • Satellite Radio
  • Smart Device Integration
  • Wi-Fi Hotspot

Vehicle History Report

VIN: 1GT4UVEY4TF124291

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Seller Details

Listed 10/18/2025

View original listing
Da

Davis GMC Buick

115 WT Hill Blvd. South

Lethbridge, AB T1J 4T6

Phone

403-329-4444

Location

Contact Seller

Da

Davis GMC Buick

115 WT Hill Blvd. South

Lethbridge, AB T1J 4T6

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

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