With an available 470 HP engine and a potential tow strength of up to 36,000 lbs, the 2025 GMC Sierra HD is one of the most powerful pickup trucks on the market. Visit your local dealership today to discover the many tough traits exhibited by this range, including the following:
Six-Function Tailgate
The GMC MultiPro Tailgate comes standard on most Sierra HD trim packages and is an available option for the two that don’t (the Pro and the SLE). This unique, multifunctional tailgate offers incredible versatility, with multiple access, work, and loading configurations.
- Closed
- Primary gate
- Primary load stop
- Easy access
- Full-width step
- Work surface
In addition, music lovers can choose the available integrated MultiPro Tailgate Audio System by KICKER to bring their favorite tunes on the road.
Sierra HD Pro Safety
All GMC pickup trucks are well-known for their wealth of safety features, and this includes both the 2500 HD and 3500 HD ranges. All trim levels come with the Sierra HD Pro Safety package as standard, including driver assistance and active safety systems to allow you to drive with confidence at all times. These include forward collision alert, following distance indicator, front pedestrian braking, IntelliBeam automatic high-beam headlamps, lane departure warning, buckle to drive, and automatic emergency braking.
Choose Your Engine
The GMC Sierra HD range comes with a 6.6L V8 gas engine as standard, offering up to 401 horsepower, 464 lb-ft of torque, and a 10.8:1 compression ratio. If these figures aren’t impressive enough, the engine can be upgraded to the available Duramax 6.6L Turbo-Diesel V8 engine. Not only can this model achieve 470 HP and 975 lb-ft of torque, but it also includes an Allison 10-speed automatic transmission, as well as an exhaust brake for better towing control.
Built for Hauling
Speaking of towing, every vehicle in the Sierra HD range is capable of hauling impressive loads. Depending on the specific model, trim level, and available trailering technology, this can be up to 36,000 lbs, or 18 tons. It’s not just a numbers game. The GMC Sierra HD range also includes several available options to enhance your build, making towing safer and more efficient.
These include trailering mirrors, up to 16 different external camera views, depending on the model (including a transparent trailer view), blind zone alerts, trailer angle indicators with jackknife alert, Gross Combined Weight (GCW) alert, trailer theft detection, and more. You can even include customizable trailer profiles, pre-departure checklists, and maintenance reminders.
Discover the notable traits of the GMC Sierra HD range for yourself. Contact Alexander GMC in Oxnard, CA, today to arrange a test drive or to discuss your ideal pickup build. Our team of experts will be happy to answer any questions you might have about these impressive vehicles.
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