Heavy-duty engine strength, a cavernous cabin area, and innovative driver-assist safety features are just a few of the qualities you will find in the 2025 GMC Sierra HD. If you are looking for a tough truck to take on any job or a fun vehicle to explore uncharted territory, the Sierra HD is made for the challenge. more Experience the 2025 GMC Sierra HD: Built to Handle the Toughest Tasks Immense Power At its base level, the Sierra HD has a 6.6L V8 gas engine that outputs 401 horsepower and 464 lb.-ft. of torque. Its Allison 10-speed automatic transmission funnels this power into either a two-wheel drive or four-wheel drive, depending on which version you choose. If you are looking for even more power, you can opt for the 6.6L Duramax Turbo-Diesel V8 engine, which outputs 470 horsepower and a whopping 975 lb.-ft. of torque. Spacious Interior The roomy cab area has a split-bench seat that can comfortably fit three people and has plenty of space underneath for storage. The driver and front passenger side seatbacks recline, allowing you to adjust the seat to better suit your needs. Additionally, the center seatback can be folded down to use as an armrest with added storage underneath. The rear seat can be folded in a 60/40 split from either side. There is also the inclusion of a child seat top tether anchor so that you can easily bring the whole family along for the ride without worrying about safety. Infotainment and Connectivity The Sierra HD Pro trim comes with the GMC Infotainment System, which features a 7-inch diagonal color touchscreen for managing entertainment and vehicle settings. It can connect wirelessly via Bluetooth to your smartphone using both Apple CarPlay and Android Auto. If you opt for the SLE or Elevation trims, the touchscreen is slightly larger at 8 inches. Safety and Security The Sierra HD comes with various driver-assist safety systems. The HD Rear Vision Camera displays a high-resolution image of the area directly behind the vehicle, assisting you in avoiding obstacles while parking or in reverse. Automatic Emergency Braking will automatically apply hard braking or enhance your hard braking in scenarios of potential collision. The Buckle to Drive is a handy feature that will prevent the vehicle from being shifted out of the park position until the driver's seat belt is buckled. It also has a function to remind the passenger to buckle up as well, if equipped. Are you ready to experience all that the GMC Sierra HD has to offer for yourself? Contact Seminole Chevrolet GMC in Seminole, OK, to schedule your test drive today! We are happy to assist you and answer any questions that you might have.
