New 2026 Gmc Sierra 2500 HD AT4

Vehicle Details 2026 GMC Sierra 2500 AT4 — built to work harder, go farther and handle whatever the road (and off-road) throws at it. Powered by a stout 6.6L V8 and full-time 4WD, this truck delivers confidence whether towing, hauling, or exploring remote trails. The AT4 off-road package adds rugged suspension tuning, skid plates, and all-terrain capability so you can tackle rough terrain without sacrificing comfort. Inside, premium touches include a BOSE stereo that fills the cabin with crisp sound, Hands-Free Bluetooth for safe, effortless calling and audio streaming, and a Back-Up Camera to simplify parking and hooking up trailers. Adaptive Cruise Control keeps highway driving relaxed and responsive by automatically adjusting speed to traffic conditions. This GMC Sierra 2500 blends heavy-duty performance with refined features: a durable, purpose-built chassis for serious jobs, modern driver aids for safety and convenience, and comfortable seating for long days on the road. Whether you need a dependable work truck or a capable weekend trail rig, this 2026 GMC Sierra 2500 AT4 offers the power, tech, and off-road readiness to get it done. Schedule a test drive and experience its strength and sophistication firsthand.