New 2026 Gmc Sierra 2500 HD AT4

$82,054

Financing as low as $1,341 per month.

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Key Features

Mileage

8

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Summit White / Jet Black With Kalahari Accents

Title

Clean

Contact Seller

St

Step One GMC Fort Walton Beach

329 Miracle Strip Pkwy

Fort Walton Beach, FL 32548

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

Dealer Description

The 2026 GMC Sierra AT4 is a new, high-performance Sierra that combines luxury, rugged capability, and advanced technology. With a powerful Duramax Turbo-Diesel V8 engine and a 10-speed automatic transmission, this truck is designed for work and adventure alike. The Sierra offers a premium driving experience with a full cab width and seating for up to 15 passengers. It features a premium sound system, advanced safety features and more. The Sierra is engineered for off-road performance, towing, and comfort.

Features & Options

  • AWD
  • Moon Roof / Sunroof
  • Apple CarPlay
  • Android Auto
  • Automatic Climate Control
  • Backup Camera
  • Leather Seats / Parking Sensors / Moon Roof / Parking Senses / Parking Senses / Parking Sensors / Assist / Parking Sensors / Assist / Parking Senses / Parking S S P P P P P P P P P P P P S T R T T T T]
  • Blind Spot Monitor (Blind Spot Monitor)
  • Moon Roof (Sunroof)
  • Apple CarPlay (CarPlay)
  • Parking S S P P P P

Vehicle History Report

VIN: 1GT4UPEY9TF120023

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

Seller Details

Listed 9/17/2025

View original listing
St

Step One GMC Fort Walton Beach

329 Miracle Strip Pkwy

Fort Walton Beach, FL 32548

Phone

850-250-0603

Location

Contact Seller

St

Step One GMC Fort Walton Beach

329 Miracle Strip Pkwy

Fort Walton Beach, FL 32548

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

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