AutoNation Buick GMC West

Sep 5, 2025

If you’re interested in purchasing one of the most powerful trucks in the automotive market, look no further than the new 2025 GMC Sierra HD. This pickup truck is available in versatile trims and has impressive engine power and advanced towing capacities.

2025 GMC Sierra HD parked in a meadow

1. The Powerful Engine Options

Drivers interested in purchasing one of the GMC Sierra HD trucks will have the choice of two different engine options. The 6.6L V8 gas engine with 401 hp and 464 pound-feet of torque is standard on the PRO, which is the base model. Drivers will also have the option to upgrade to the 6.6L Duramax Turbo-Diesel V8 engine with 470 hp and 975 pound-feet of torque, which is available on higher trims.

2. The Unique Trim Levels

The new Sierra HD trims are versatile and customizable. Drivers can choose from several options: the PRO, the SLE, the SLT, the AT4, the DENALI, the AT4X, and the DENALI Ultimate. Drivers who want the ultimate heavy-duty truck with the most features, luxurious details, and amenities will love the new DENALI Ultimate. This truck has all the standard features available in the DENALI trim, which is the third-highest trim, in addition to extra features.

It has the signature Vader chrome grille, exclusive 20-inch ultra-machined aluminum wheels, and the exclusive Alpine Umber interior with full-grain leather seating, 16-way power front seats with massage settings, and authentic open-pore wood finishes. It also features a 12-speaker Bose premium sound series with surround sound, illuminated power assist steps, a MultiPro tailgate, and an available auxiliary trailer camera.

3. The Trailering Capabilities

The new Sierra HD trucks are built with the most advanced towing technology. They have ProGrade trailering tech features that streamline the trailering process from start to finish and ensure optimal stability and safety. There’s also a total of 14 available camera views, and these trucks also have the available adaptive cruise control with trailering that provides a comfortable, safe, and seamless driving and trailering experience.

4. The Tech Features

The new Sierra HD trucks have advanced tech capabilities to keep drivers and passengers connected. There’s a 13.4-inch diagonal center touchscreen that resembles a tablet and is positioned in the center of the cabin for easy access.

There’s also an available 15-inch diagonal multicolor head-up display that projects pertinent vehicle information on the windshield in front of the driver. In addition, there’s a 12.3-inch diagonal color driver information center where drivers can access vehicle information.

If you need a powerful truck for work or play that can tow heavy loads and accommodate your weekend adventures, the new Sierra HD trucks will exceed your expectations. Contact AutoNation Buick GMC West in Golden, CO, to schedule a test drive.