GMC Sierra 1500 2026 AT4

Premium Cabin: Ventilated Seats, Bose Audio & Wireless Charging <p>The <strong>2026 GMC Sierra 1500 AT4 Crew Cab 4x4</strong> is built for drivers who want capability, luxury, and cutting-edge technology in one rugged package. Finished in bold <strong>Sterling Metallic</strong> with a premium <strong>Jet Black/Kalahari interior</strong>, this AT4 blends off-road readiness with upscale comfort everywhere you go.</p><p>Powered by the improved <strong>Duramax 3.0L Turbo-Diesel</strong> engine paired to a smooth <strong>10-speed automatic transmission</strong>, the 2026 AT4 delivers impressive torque, refined diesel efficiency, and the strength you expect from GMC.</p><h2><strong>Performance &amp; Capability</strong></h2><ul><li><p><strong>Duramax 3.0L Turbo-Diesel</strong></p></li><li><p><strong>10-Speed Automatic Transmission</strong></p></li><li><p><strong>Off-Road Suspension with a 2" Factory Lift &amp; Monotube Shocks</strong></p></li><li><p><strong>Skid Plates &amp; Hill Descent Control</strong></p></li><li><p><strong>2-Speed AutoTrac Transfer Case</strong></p></li><li><p><strong>Auto-Locking Rear Differential</strong></p></li><li><p><strong>Trailer Brake Controller</strong></p></li><li><p><strong>120V Power Outlets (Cab &amp; Bed)</strong></p></li><li><p><strong>Goodyear Territory MT Tires (LT275/65R18)</strong></p></li><li><p><strong>In-Vehicle Trailering App</strong></p></li></ul><h2><strong>Premium Interior Comfort</strong></h2><p>The AT4 enhances every drive with premium comfort, thoughtful features, and refined craftsmanship:</p><ul><li><p><strong>Heated &amp; Ventilated Front Bucket Seats</strong></p></li><li><p><strong>Heated Second-Row Outboard Seats</strong></p></li><li><p><strong>Heated, Wrapped Steering Wheel</strong></p></li><li><p><strong>Bose Premium Sound System</strong></p></li><li><p><strong>Wireless Charging</strong></p></li><li><p><strong>Adaptive Cruise Control</strong></p></li><li><p><strong>10-Way Power Front Seats</strong></p></li><li><p><strong>Power Tilt &amp; Telescoping Steering Column</strong></p></li><li><p><strong>Driver Seat &amp; Mirror Memory</strong></p></li><li><p><strong>Premium Floor Liners</strong></p></li></ul><h2><strong>Advanced Technology</strong></h2><p>Stay connected, informed, and in control with the latest GMC digital experience:</p><ul><li><p><strong>13.4&#34; GMC Premium Infotainment System</strong> – Google Built-In, Navigation Ready, Bluetooth</p></li><li><p><strong>12.3&#34; Digital Driver Information Centre</strong></p></li><li><p><strong>Wireless Apple CarPlay &amp; Android Auto</strong></p></li><li><p><strong>Keyless Open &amp; Remote Start</strong></p></li><li><p><strong>OnStar Basics (Up to 8 Years)</strong></p></li><li><p><strong>SiriusXM Audio (Trial Included)</strong></p></li></ul><h2><strong>Safety &amp; Driver Assistance</strong></h2><p>Equipped with advanced driver-assistance technology from <strong>GMC Pro Safety</strong>, including:</p><ul><li><p>Automatic Emergency Braking</p></li><li><p>Forward Collision Alert</p></li><li><p>Front Pedestrian Braking</p></li><li><p>Lane Keep Assist with Lane Departure Warning</p></li><li><p>IntelliBeam Auto High Beams</p></li><li><p>Following Distance Indicator</p></li><li><p>Rear Cross Traffic Braking</p></li><li><p>Trailer Side Blind Zone Alert</p></li><li><p>Safety Alert Seat</p></li><li><p>HD Surround Vision</p></li><li><p>Rear Pedestrian Alert</p></li><li><p>Front &amp; Rear Park Assist</p></li><li><p>Teen Driver Mode</p></li><li><p>Tire Pressure Monitoring with Tire Fill Alert</p></li></ul><h2><strong>Exterior Highlights</strong></h2><ul><li><p><strong>GMC MultiPro Tailgate</strong></p></li><li><p><strong>Spray-On Bedliner</strong></p></li><li><p><strong>LED Headlamps, Taillamps &amp; Fog Lamps</strong></p></li><li><p><strong>LED Cargo Area Lighting</strong></p></li><li><p><strong>Power-Folding &amp; Heated Mirrors with Auto-Dimming (Driver Side)</strong></p></li><li><p><strong>Rain-Sensing Wipers</strong></p></li><li><p><strong>18&#34; Machined Aluminum Wheels (Dark Painted Pockets)