Shopping for a powerful truck that knows no limits. You’ll love everything about the new 2025 GMC Sierra HD. This truck has a commanding presence both on and off the road and all the features and amenities you need for a comfortable, luxurious, and enjoyable driving experience. Whether you plan to use this truck for work, play, or both, you can count on one thing: its power and capabilities won’t disappoint.
1. Engine Power and Performance
The new GMC Sierra HD is a heavy-duty pickup truck with impressive power. Drivers will have different engine options based on the model they choose, including the 6.6L Turbo-Diesel V8 engine with an Allison 10-speed automatic transmission, which comes standard on the Denali Ultimate and is an available option on the PRO, SLE, SLT, AT4, Denali, and AT4X models.
There’s also a 6.6L V8 gas engine with an Allison 10-speed automatic transmission that comes standard on the base model. The turbo diesel engine has 975 pound-feet of torque and 470 hp and the 3500 model has a max towing capacity of up to 36,000 pounds while the 2500 crew cab model has a max towing capacity of 21,870 pounds.
2. The Versatile and Customizable trims
Drivers interested in purchasing the Sierra HD truck will have plenty of options to choose from, including the 2500 and 3500 models. It’s available on the following trims: the PRO, SLE, the SLT, AT4, the Denali, the AT4X, and the Denali Ultimate.
The Denali Ultimate is the highest trim with the most amenities and features. It has all the Denali standard features plus additional amenities like a 12-speaker Bose premium series surround sound system, illuminated power steps, an exclusive Alpine Umber interior, full grain leather seating, 16-way power front seats with massage capabilities, and the signature Vader Chrome front grille.
3. The Interior Details and Tech Features
If you’re looking for a truck that combines luxury with power, you’ll love everything about the new Sierra HD lineup. The Sierra HD has available best-in-class 16-way power front seats and is outfitted with luxurious details and high-quality materials like full-grain leather and open-pore wood.
It also has the latest tech features including a 15-inch diagonal multicolor head-up display, a 13.4-inch diagonal center touchscreen, and a 12.3-inch diagonal color driver information center.
The new GMC Sierra HD truck is truly a force to be reckoned with. If you want to learn more about this truck and all its driver convenience features and amenities, our sales associates can help you explore the trims and take you on a test drive. Visit us today at Vachon Buick GMC in Old Saybrook, CT to see the Sierra HD trucks in person, explore your favorite trims, and schedule your test drive.
