Heavy-Duty Excellence: The 2025 GMC Sierra HD

Why is the Sierra HD lineup the preferred choice for drivers with tough jobs? Take a look at everything that 2025 GMC Sierra HD pickups have to offer in this guide.

Heavy-Duty Excellence: The 2025 GMC Sierra HD

Engine Options

The standard engine on both Sierra HD models is a 6.6L V8 gas engine that yields 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm. If you’re looking for extra power and stamina, a 6.6L Duramax Turbo-Diesel engine is available that produces 470 horsepower at 2800 rpm and 975 lb.-ft. of torque at 1600 rpm.

Towing and Hauling

Sierra HD pickups are a great option for tough jobs that involve towing and hauling because they come with a complete trailering package that includes a receiver hitch, hitch platform, connectors, and Hitch Guidance. On the 2500, the 6.6L Duramax engine provides a maximum towing capacity of 21,870 pounds. On the 3500, this engine provides a maximum towing capacity of 36,000 pounds.

If you need your Sierra to haul heavy cargo, you’ll love exterior features like the CornerStep rear bumper and GMC MultiPro tailgate. The CornerStep rear bumper is a standard feature that provides more stability when climbing in and out of your truck bed. The MultiPro tailgate is an available feature that can be reconfigured in six different ways to load, unload, and haul all kinds of cargo.

Technology and Entertainment

The 2025 Sierra HD comes with a 7-inch GMC infotainment system with Apple CarPlay and Android Auto smartphone integration. On the SLE and all higher trims of the 2500 and 3500, there’s a 13.4-inch infotainment system with Google built-in. Google built-in has convenient features like Google Play, Assistant, and Gmail.

The new Sierra HD has SiriusXM satellite radio compatibility, allowing you to enjoy countless types of entertainment on every ride. SiriusXM has carefully curated music stations that are broken down by genre and decade, in addition to live sporting events and international news coverage. When you buy a new Sierra HD, you can add on the available 3-year subscription to SiriusXM for years of entertainment.

Seating Configuration

Seating in the Sierra 2500 and 3500 consists of two full bench seats that are split in differing ways. The front seat is a 40/20/40 split, while the back seat is a 60/40 split. This seating configuration makes it possible to fit six passengers with plenty of head and leg room to spare.

The Sierra’s seating configuration allows for plenty of cargo space in your cabin. The front seat has an under-seat storage compartment for small items, while the back seat folds up to create cargo room on the floor.

Safety Package

The 2025 Sierra 2500 and 3500 come with the exclusive Sierra HD Pro Safety package. Sierra HD Pro Safety is a collision-avoidance package that uses assistive features to prevent accidents. These include Lane Departure Warning, Forward Collision Alert, and Following Distance Indicator.

Visit Team Chevrolet GMC in Huntingdon, PA, to see the new Sierra HD lineup!

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