Introducing the 2026 GMC Sierra 2500HD AT4X, proudly offered by Jackie Cooper Nissan in Tulsa. Known for integrity, experience, and customer-focused service, Jackie Cooper Nissan ensures each vehicle is presented with accuracy, clarity, and attention to detail, making your buying experience trustworthy and informed.

The GMC Sierra 2500HD AT4X embodies strength and capability. Under the hood, it features a formidable 6.6L Duramax V8 turbodiesel engine, producing an incredible 470 horsepower and 975 lb-ft of torque. This robust engine is paired with a smooth 10-speed automatic transmission, providing the muscle you need to tow and haul heavy loads effortlessly.

Designed to excel off-road, the AT4X trim is equipped with an advanced 4-wheel drive system, off-road suspension, and skid plates, ensuring you're ready for any adventure. The engine block heater is a thoughtful addition for cold weather conditions. The exterior's bold and rugged look, complemented by gloss black accents and LED lighting, not only stands out but also enhances visibility.

Inside the Sierra 2500HD AT4X, you'll find a spacious, premium cabin. It offers luxury touches such as a Bose premium audio system, heated and ventilated front seats, a heated steering wheel, and a large 15-inch head-up display. Safety is a priority, with features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, offering confidence and security for you and your passengers.

Whether you're tackling demanding job site tasks, towing a trailer, or indulging in off-road escapades, the 2026 GMC Sierra 2500HD AT4X is a workhorse built to perform and endure. Discover the power, capability, and comfort of this exceptional truck. "Who loves ya', Oklahoma?" Jackie Cooper Nissan does, and we invite you to experience our dedication to quality and service firsthand.