Used 2023 GMC Sierra 1500 AT4

The 2023 GMC Sierra 1500 AT4 delivers rugged luxury, off-road confidence, and premium craftsmanship. Engineered for adventure and built with professional-grade capability, this truck blends bold design with advanced technology—perfect for drivers who want power, comfort, and refinement both on and off the beaten path. 

Performance & Capability 

• 6.2L ECOTEC3 V8 Engine with dynamic fuel management for commanding power 

• 10-Speed Automatic Transmission with smooth, intelligent shifting 

• Autotrac Two-Speed Transfer Case for seamless transition between drive modes 

• 4-Wheel Drive System engineered for confident traction on rough terrain 

• Off-Road Suspension Package with Rancho monotube shocks for rugged performance 

• Automatic Locking Rear Differential for enhanced control in low-traction conditions 

• Hill Descent Control & Skid Plates providing confidence on steep or uneven trails 

• 3.23 Rear Axle Ratio balancing performance, towing, and efficiency 

• Integrated Trailering Technology including trailer brake controller, Hitch Guidance, Hitch View, and a full in-vehicle trailering app 

• Heavy-Duty Cooling Systems with transmission and engine oil coolers for demanding conditions 

• 170-Amp Generator supporting accessories and off-grid capability 

• 20" Machined Aluminum Wheels for a bold, ready-for-anything stance 

• Dual Exhaust System delivering a confident, refined sound 

Winter & Weather Comfort 

• Heated & Ventilated Front Seats for year-round comfort 

• Heated Rear Outboard Seats & Heated Steering Wheel for cold-climate luxury 

• Remote Start System to warm or cool the cabin before you enter 

• Tri-Zone Automatic Climate Control with moisture and humidity sensors 

• All-Weather Floor Liners with removable carpet inserts for easy cleaning 

• Engine Block Heater ensuring reliable cold-weather starts 

Interior Comfort & Convenience 

• Front Bucket Seats with 10-Way Power Driver Seat & 8-Way Power Passenger Seat 

• Driver Memory Settings for seat and mirror positions 

• Jet Black Interior with Kalahari Accents for a premium, athletic feel 

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

• Center Console with Wireless Charging plus USB and 120V outlets throughout 

• Keyless Open & Push-Button Start for effortless access 

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

• 12.3" Digital Driver Display with customizable layouts 

• 15" Multicolor Head-Up Display projecting key information onto the windshield 

• Bose Premium Sound System offering immersive clarity 

• HD Rear Camera Mirror and Bed View Camera for enhanced visibility 

Safety & Driver Assistance 

• GMC Pro Safety & Pro Safety Plus suites for enhanced protection 

• Forward Collision Alert with Automatic Emergency Braking 

• Lane Keep Assist with Lane Departure Warning 

• Rear Cross Traffic Braking & Trailer Side Blind Zone Alert 

• HD Surround Vision giving a full 360° view 

• Front & Rear Park Assist, Following Distance Indicator, and Rear Pedestrian Alert 

• IntelliBeam Automatic High Beams for optimal nighttime visibility 

• Teen Driver Mode & Buckle-to-Drive for added safety assurance 

• Adaptive Cruise Control for smooth highway driving 

Exterior Styling & Utility 

• Dynamic Blue Metallic Exterior for a bold, high-impact presence 

• AT4 Signature Look with darkened trim and aggressive stance 

• Body-Color Front & Rear Bumpers blending seamlessly with the exterior 

• LED Headlamps, Fog Lamps, and Cargo Bed Lighting for superior visibility 

• GMC MultiPro Tailgate with multiple configurations for work or recreation 

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

• Perimeter Lighting for improved night-time visibility around the truck 

• Red Front Recovery Hooks signature to the AT4 trim 

• Rain-Sensing Wipers adding convenience in changing weather 

• Pickup Box with Steel Inner Walls designed for long-term durability 

The 2023 GMC Sierra 1500 AT4 is built for those who want premium comfort without sacrificing capability. Whether you’re towing, trail exploring, or commuting in style, this truck delivers a perfect blend of strength, technology, and off-road confidence.