The 2027 GMC Sierra HD Pro 4WD Crew Cab 177 WB, 60 CA, arriving in late 2026, is built to handle demanding workloads with strength and precision. Powered by a 6.6L Gas V8 engine producing 401 horsepower and 464 lb-ft of torque, it pairs with a 10-speed automatic transmission and four-wheel drive for maximum traction and control. Measuring 270.3 inches in length with a 57.5 ft turning diameter, this 6-seater truck blends capability with comfort. Features include Bluetooth, Wi-Fi hotspot, and smart device integration, while safety highlights such as blind-spot monitoring, rear parking aid, and cross-traffic alert ensure confident driving on any terrain.