2025 GMC SIERRA HEAVY DUTY MODEL REVIEW - Lincoln, NE

What's New for the 2025 GMC Sierra HD?

The GMC Sierra Heavy Duty series is available in 2500 or 3500 configurations. Whichever one you go with, you're getting a truck that's become an American trucking legend. For the 2025 model year, GMC keeps the overall look familiar while adding a few extra perks, such as optional front and rear parking sensors on the base model. The Denali and AT4 trims also come equipped with standard trailering assist.

What Are the 2025 Sierra HD Trims & Features?

The 2025 Sierra HD is offered in multiple trims: Pro, SLE, SLT, AT4, Denali, AT4X, and Denali Ultimate. Built for heavy-duty tasks, every trim showcases what makes the Sierra unique. The SLE base model includes a traction selection system with tow/haul mode and a 13.4-inch diagonal center touchscreen for smooth interaction with safety and towing cameras. The SLT model provides a more premium experience with standard 10-way power-adjustable front seats. Topping the lineup is the Denali Ultimate, which includes a 6.6L turbo-diesel V8 engine, Alpine Umber full-grain leather seats, and a striking Vader Chrome grille. Each trim is known for its bold "tall and square" front end, a design that gives the Sierra HD its unmistakable presence on the road.

How Much Horsepower Does the 2025 Sierra HD Have?

The Sierra HD offers two engine choices. The first is a V8 gas engine delivering 401 horsepower and 464 lb-ft of torque. A Duramax 6.6L V8 engine is also available, producing 470 horsepower and an impressive 975 lb-ft of torque. Both engines are matched with a smooth-shifting 10-speed automatic transmission, with the turbo-diesel's transmission being Allison-certified.

What Safety Features Does the 2025 Sierra HD Include?

Safety remains a priority for GMC, and the 2025 Sierra HD is equipped with numerous protective features. Standard equipment includes automatic emergency braking, forward collision alert, and Teen Driver. Advanced trims add more features like rear cross-traffic alert, lane change alert with side blind zone alert, and available front and rear park assist.

Visit Us in Lincoln Today

Experience the impressive 2025 Sierra HD at our Lincoln dealership. Visit us today or get in touch for more details about this commanding truck.