When it comes to tackling tough jobs, few trucks can match the impressive capability of the 2025 GMC Sierra 2500 HD. This heavy-duty powerhouse, available now at Riverhead GMC in Riverhead, NY, is engineered to take on your most demanding towing and hauling needs.
The Sierra 2500 HD offers two compelling engine options. The standard 6.6-liter V8 gas engine delivers a robust 401 horsepower and 464 pound-feet of torque, while the available 6.6-liter Duramax Turbo-Diesel V8 cranks out a herculean 470 horsepower and 975 pound-feet of torque. Both pair with a highly capable Allison 10-speed automatic transmission, which provides smooth shifts and excellent power delivery. The Sierra HD is also available with either rear-wheel drive (RWD) or 4-wheel drive (4WD).
Thanks to its powerful engines, strong ladder frame, and smart trailering technologies, the Sierra 2500 HD boasts some of the highest towing capacities in its class. When properly equipped, this GMC heavy-duty truck can tow up to 18,500 pounds. Loading up the bed is easy, too, with a maximum payload capacity of 3,979 pounds. Check out the 2025 GMC Sierra 2500 HD at Riverhead GMC to experience its tremendous capability for yourself.