GMC Sierra 2500HD 2026 AT4

• AT4 Premium Plus Package: Sunroof, HUD & Rear Camera Mirror <p>Meet the <strong>2026 GMC Sierra 2500HD AT4 Crew Cab 4x4</strong>, a premium heavy-duty pickup built for drivers who demand unmatched power, advanced technology, and off-road readiness. Finished in <strong>Sterling Metallic</strong> with a rugged <strong>Jet Black/Kalahari interior</strong>, this AT4 blends capability with high-end refinement.</p><p>Powered by the legendary <strong>6.6L Duramax V8 Turbo Diesel</strong> paired to the <strong>Allison 10-Speed Automatic</strong>, this truck is engineered for serious work - perfect for towing, hauling, and Manitoba adventures in any season.</p><h2><strong>Performance &amp; Capability</strong></h2><ul><li><p><strong>6.6L Duramax V8 Turbo Diesel</strong></p></li><li><p><strong>Allison 10-Speed Automatic Transmission</strong></p></li><li><p><strong>Autotrac 2-Speed Transfer Case</strong></p></li><li><p><strong>Off-Road Suspension &#43; AT4 Performance Features</strong></p></li><li><p><strong>Auto-Locking Rear Differential</strong></p></li><li><p><strong>StabiliTrak with Trailer Sway Control &amp; Hill Start Assist</strong></p></li><li><p><strong>Gooseneck / 5th Wheel Prep Package</strong></p></li><li><p><strong>BFGoodrich Off-Road T/A KO3 Tires (LT275/65R20)</strong></p></li><li><p><strong>Trailer Brake Controller &amp; In-Vehicle Trailering App</strong></p></li><li><p><strong>Hitch Guidance &amp; Hitch View</strong></p></li></ul><h2><strong>Premium Interior Comfort</strong></h2><p>Luxury meets durability inside the AT4:</p><ul><li><p><strong>Heated &amp; Ventilated Front 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>10-Way Power Driver Seat with Memory</strong></p></li><li><p><strong>Dual-Zone Automatic Climate Control</strong></p></li><li><p><strong>Premium Floor Liners</strong></p></li><li><p><strong>120V Power Outlets (Cab &amp; Bed)</strong></p></li><li><p><strong>12.3&#34; Reconfigurable Digital Driver Display</strong></p></li><li><p><strong>Wireless Charging Pad</strong></p></li><li><p><strong>Bose Premium Audio System</strong></p></li></ul><h2><strong>Advanced Technology</strong></h2><p>Stay connected and in control with the latest tech:</p><ul><li><p><strong>13.4&#34; GMC Premium Infotainment System</strong> with Google Built-In</p></li><li><p><strong>Wireless Apple CarPlay &amp; Wireless Android Auto</strong></p></li><li><p><strong>SiriusXM with Trial</strong></p></li><li><p><strong>Remote Start</strong></p></li><li><p><strong>Bed View Camera</strong></p></li><li><p><strong>Adaptive Cruise Control</strong></p></li><li><p><strong>OnStar Basics (Up to 8 Years)</strong></p></li></ul><h2><strong>Safety &amp; Driver Assistance</strong></h2><p>Equipped with <strong>Sierra HD 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>HD Surround Vision</p></li><li><p>Lane Departure Warning</p></li><li><p>Trailer Side Blind Zone Alert</p></li><li><p>Rear Cross Traffic Alert</p></li><li><p>Driver Safety Alert Seat</p></li><li><p>Front &amp; Rear Park Assist</p></li><li><p>IntelliBeam Auto High Beams</p></li><li><p>Following Distance Indicator</p></li></ul><h2><strong>Exterior Highlights</strong></h2><ul><li><p><strong>20&#34; High-Gloss Black Aluminum Wheels</strong></p></li><li><p><strong>Spray-On Bed Liner</strong></p></li><li><p><strong>Animated LED Projector Headlamps &amp; Front LED Fog Lamps</strong></p></li><li><p><strong>Power-Folding/Extending Tow Mirrors with Heat, Auto-Dim &amp; Perimeter Lighting</strong></p></li><li><p><strong>LED Cargo Bed Lighting</strong></p></li><li><p><strong>Rain-Sensing Wipers</strong></p></li><li><p><strong>MultiPro Tailgate with EZ-Lift &amp; Power Release</strong></p></li><li><p><strong>Rear Wheelhouse Liners</strong></p></li></ul><h2><strong>AT4 Premium Plus Package</strong></h2><p>This upgraded package adds next-l