Jul 16, 2025
2025 GMC Sierra HD

The 2025 GMC Sierra HD is a powerful truck that you can trust to help you get the job done. It’s got serious power under the hood, along with a range of work-ready features you’re sure to love. It’s time to take a closer look.

American Power

The GMC Sierra HD boasts unmistakable American power, thanks to its potent 6.6-liter V8 engine. With this finely tuned behemoth under the hood, you’ll get 401 horsepower and 464 lb-ft of torque. You can choose RWD or 4WD depending on your needs.

Looking for an upgrade? The optional Duramax diesel 6.6-liter V8 engine offers 475 horsepower with 975 lb-ft of torque, perfect for those who want maximum strength for the toughest jobsites.

Towing Capacity

The best work trucks have high towing capacities, and the GMC Sierra HD is no exception. The 2500 HD can tow up to 22,500 lbs with the right configuration. The upgraded 3500 HD offers towing capacity for 36,000 lbs when equipped with the diesel engine and additional towing upgrades.

Each GMC Sierra HD also comes with a trailer brake controller as standard. Thanks to this feature, it’s easier than ever to control your vehicle when pulling a heavy load. For extra precision, add ProGrade trailering tech, a suite of features that streamlines the towing process with a variety of integrated tools.

Comfortable Interior

The truck’s cab is spacious and comfortable, so you can get to the next jobsite comfortably and organized. 16-way adjustable seats with heating and massage functions ensure you’ll travel in comfort. The available crew cab offers spacious seating for up to six, so you can bring the whole team along.

Handy available technology features can optimize your experience. The 13.4-inch diagonal center touchscreen, 12.3-inch diagonal color driver information center, and 15-inch diagonal multicolor Head Up Display all offer easy access to important information. Choose the ideal screens for your needs and never lose sight of navigation updates, weather news, and vehicle status.

Adaptive Cruise Control

It’s always nice to have a helping hand in your working life. The available adaptive cruise control feature on the GMC Sierra HD is a great feature for both safety and convenience, offering you hands-free driving with automatic adjustments depending on traffic conditions. This cruise control technology uses sensors to ensure you maintain a safe distance from other vehicles on the road, allowing you to cruise in safety with extra peace of mind.

With the GMC Sierra HD by your side, you can conquer any task the working world might throw at you. At our dealership, you can get a closer look at the truck. Stop by Alexander GMC in Oxnard, CA today to get your hands on a tough, reliable truck.