The 2025 Sierra HD is a heavy-duty pickup truck produced by GMC. It is the fourth generation of the Sierra HD, and it was introduced in 2023. The 2025 Sierra HD is available in three trim levels: Pro, SLE, and Denali. It is powered by a 6.6-liter V8 engine that produces 401 horsepower and 464 lb-ft of torque. The 2025 Sierra HD has a maximum towing capacity of 36,000 pounds and a maximum payload capacity of 7,200 pounds.
The 2025 Sierra HD is a significant improvement over the previous generation. It has a more powerful engine, a more spacious interior, and a more comfortable ride. The 2025 Sierra HD is also more technologically advanced, with features such as a 12-inch touchscreen infotainment system, a head-up display, and a surround-view camera.