Used 2025 GMC Sierra 1500 AT4

The 2025 GMC Sierra 1500 AT4 blends off-road capability, premium craftsmanship, and advanced technology into a bold, adventure-ready pickup. With its aggressive stance, signature AT4 styling, and refined interior, this truck is built for those who want rugged performance without sacrificing everyday comfort.  

Performance & Capability 

• Engine: Duramax® 3.0L Turbo-Diesel delivering impressive torque, efficiency, and long-range capability  

• Transmission: Smooth-shifting 10-speed automatic with electronic precision shift  

• Drivetrain: Autotrac 4-Wheel Drive (4WD) with two-speed transfer case for confident traction anywhere  

• Suspension: Factory Off-Road Suspension Package engineered for durability and control  

• Axle Ratio: 3.23 rear axle for balanced towing strength and fuel efficiency  

• Trailering Equipment: Integrated trailer brake controller, hitch guidance with Hitch View, and trailering app  

• Drive Modes: Selectable drive mode system for optimized performance on-road and off  

• Off-Road Readiness: Automatic locking rear differential, skid plates, hill descent control, and red recovery hooks  

Winter & Weather Comfort 

• Heated & Ventilated Front Seats for year-round comfort  

• Heated Rear Outboard Seats and Heated Steering Wheel for cold-weather convenience  

• Remote Start System to pre-condition the cabin  

• Dual-Zone Automatic Climate Control with humidity and temperature sensors  

• Premium All-Weather Floor Liners for interior protection  

• Engine Block Heater for reliable cold-weather starts  

Interior Comfort & Convenience 

• Front Bucket Seats with power adjust, lumbar support, and driver memory settings  

• Jet Black/Kalahari interior with premium materials and AT4-exclusive accents  

• Power Sliding Rear Window and Rear Seat Storage Package for added practicality  

• Wireless Charging Pad and multiple USB/120V outlets for device connectivity  

• Keyless Open & Push-Button Start for seamless access  

• Tilt & Telescopic Steering Column with leather-wrapped steering wheel  

• Spacious cabin with smart storage solutions throughout  

Technology & Connectivity 

• 13.4" GMC Premium Infotainment Touchscreen with Google Built-In and navigation capability  

• 12" Digital Driver Information Centre with customizable display  

• Wireless Apple CarPlay® & Android Auto™ integration  

• Bose® Premium Audio System for rich, immersive sound  

• Wi-Fi Hotspot capability to keep you connected on the go  

• Trailering App with trailer profiles and monitoring features  

Safety & Driver Assistance 

• GMC Pro Safety Suite for enhanced confidence on every drive  

• Forward Collision Alert with Automatic Emergency Braking  

• Lane Keep Assist with Lane Departure Warning  

• Rear Cross Traffic Braking and Trailer Side Blind Zone Alert  

• HD Surround Vision for a 360° view when parking or trailering  

• Front & Rear Park Assist and Following Distance Indicator  

• Rear Pedestrian Alert and Front Pedestrian Braking  

• Adaptive Cruise Control for relaxed highway driving  

• Teen Driver Mode and Buckle-to-Drive for added safety awareness  

Exterior Styling & Utility 

• 20" Machined Aluminum Wheels with Carbon Grey accents wrapped in all-terrain tires  

• Exterior Colour: Sterling Metallic — bold and modern with a refined edge  

• AT4-exclusive styling with black chrome accents and distinctive badging  

• LED Lighting: Signature headlamps, fog lamps, and cargo bed lighting  

• GMC MultiPro Tailgate: Versatile and configurable for work or play  

• Spray-On Bedliner and 120V Bed-Mounted Outlet for jobsite functionality  

• Power Folding, Heated Trailer Mirrors with integrated lighting  

• Perimeter Lighting and LED cargo lighting for enhanced visibility  

• CornerStep rear bumper and durable steel pickup bed for everyday utility  

Whether you're towing through the mountains, navigating harsh winter roads, or heading off the beaten path, the 2025 GMC Sierra 1500 AT4 delivers powerful diesel performance, advanced technology, and rugged refinement. It’s the perfect combination of strength, capability, and premium design; built for those who demand more from their truck.