The 2027 GMC Sierra HD SLE 4WD Regular Cab 146 WB, 60 CA, arriving on late 2026, is a powerful and durable truck designed for both heavy-duty work and comfort. Built with a 6.6L Gas V8 engine producing 401 horsepower and 464 lb-ft of torque, it’s paired with a 10-speed automatic transmission and four-wheel drive for outstanding performance. Measuring 239.84 inches long with a 146-inch wheelbase, it ensures stability and control. Inside, the 3-seater cabin offers Bluetooth, Wi-Fi hotspot, and smart device integration. Safety features like blind-spot monitoring, rear parking aid, and cross-traffic alert provide extra confidence on every drive.