New 2026 Gmc Sierra 2500 HD AT4

Unleash the power and off-road capability that Central Texas demands with this stunning, new 2026 GMC Sierra 2500HD AT4 Crew Cab! Featuring the aggressive styling of the AT4 trim and the colossal strength of the Duramax 6.6L V8 Turbo-Diesel engine, this truck is built for work, towing, and adventure around Brownwood, Early, and Coleman, TX. Finished in eye-catching Volcanic Red Tintcoat with a premium Jet Black With Kalahari Accents Leather interior, this HD truck stands out whether you're on the job site or heading off-road. The AT4 trim elevates the Sierra 2500HD with standard off-road features, perfectly suited for the rugged terrain of Brown County. The Duramax 6.6L V8 Turbo-Diesel delivers a commanding 470 horsepower and 975 lb-ft of torque, expertly managed by the 10-Speed Automatic Transmission. Step inside the spacious Crew Cab to find a driver-focused cabin loaded with premium features and technology to make every long haul easier.