New 2026 Gmc Sierra 2500 HD AT4

The 2026 GMC Sierra 2500HD AT4 is the ultimate heavy-duty pickup truck designed for those who demand power, versatility, and cutting-edge technology. With its striking Volcanic Red Tintcoat exterior and refined Jet Black interior with Kalahari accents, this new model commands attention on and off the road. Powered by a robust 6.6-liter turbo-diesel V8 engine delivering 470 horsepower and 975 lb-ft of torque, it’s built to handle the toughest hauling and towing tasks with ease. The 10-speed automatic transmission paired with 4WD ensures smooth, confident performance in any terrain. Inside, the Sierra 2500HD AT4 offers a suite of premium features including heated and rear heated seats, a sunroof/moonroof, and wireless phone charging. Modern convenience is at your fingertips with Apple CarPlay, Bluetooth, a premium audio system, and an advanced 13.4-inch infotainment touchscreen equipped with Google Built-In and real-time traffic navigation. Safety is a priority, with adaptive cruise control, collision warning, blind spot monitor, backup camera, and cross traffic alert providing peace of mind on every journey.