Used 2025 GMC Sierra 1500 AT4

2025 GMC Sierra 1500 AT4 4WD | Duramax Diesel | HUD | Sunroof | AT4 Premium

Drivetrain: 4WD
Engine: 3.0L Duramax Turbo-Diesel
Transmission: 10-Speed Automatic
Exterior: Summit White
Interior: Jet Black / Kalahari
Cab: Crew Cab | Short Box

Built for those who demand power, luxury, and real off-road capability, this 2025 GMC Sierra 1500 AT4 delivers unmatched performance with the legendary 3.0L Duramax turbo-diesel, premium interior finishes, and advanced trailering technology. Whether you’re towing, commuting, or exploring off the beaten path, this AT4 is ready for anything.

Performance & Capability

3.0L Duramax Turbo-Diesel – Outstanding torque, efficiency & durability

4WD with AutoTrac Two-Speed Transfer Case

Off-Road Suspension Package (Z7X) with Skid Plates

Automatic Locking Rear Differential (G80)

Hill Descent Control

Trailer Brake Controller + Trailering Equipment (Z82)

MultiPro™ Tailgate with Bed View Camera

Spray-On Bedliner & LED Bed Lighting

AT4 Premium & Technology Packages

15" Multicolor Head-Up Display

Rear Camera Mirror

13.4" Touchscreen with Google Built-In & Navigation

BOSE® Premium Audio System

Adaptive Cruise Control

HD Surround Vision & Bed View Camera

Wireless Apple CarPlay / Android Auto + Wireless Charging

Comfort & Luxury

Heated & Ventilated Front Seats

Heated Steering Wheel

Heated Second-Row Seats

Power Sunroof

Dual-Zone Automatic Climate Control

Power Sliding Rear Window

All-Weather Floor Liners (AT4 Logo)

Memory Mirrors & Power Seats

Safety & Driver Assistance

Forward Collision Alert & Automatic Emergency Braking

Lane Keep Assist

Rear Cross Traffic Braking

Front & Rear Park Assist

Trailer Side Blind Zone Alert

Rear Pedestrian Alert

Exterior Highlights

AT4 Exclusive Styling with Red Recovery Hooks

20" Machined Aluminum Wheels with All-Terrain Tires

Body-Colour Wheel Arch Mouldings

CornerStep Rear Bumper

Power Tailgate with EZ Lift & Lock

This 2025 Sierra AT4 Duramax is the ultimate combination of luxury pickup, off-road confidence, and diesel muscle—perfect for work, play, and everything in between.