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Heavy-Duty Confidence: the 2025 GMC Sierra HD

A silver 2025 GMC Sierra HD parked on rugged terrain with an arid landscape behind

GMC Sierra HD pickups are renowned for their extreme power and unmatched capabilities. Take a deep dive into both models of the 2025 GMC Sierra HD available at Buick GMC of Beaverton!

Heavy-Duty Confidence: The 2025 GMC Sierra HD

Power

Sierra HD pickups have two engine options: the standard 6.6-liter V8 gas engine and the available 6.6-liter Duramax Turbo-Diesel V8 engine. With the 6.6-liter gas engine, your Sierra HD achieves 401 horsepower at 5200 rpm and 464 lb.-ft. of torque at 4000 rpm.

Opting for the 6.6-liter Duramax Turbo-Diesel engine is the best way to help your truck reach its full potential. This engine reaches a maximum towing capacity of 21,870 pounds on the 2500 crew cab model and 36,000 pounds on the 3500 regular cab model. On both the 2500 and 3500, the 6.6-liter Duramax bears 470 horsepower at 2800 rpm and 975 lb.-ft. of torque at 1600 rpm.

Exterior

Whether you choose the 2500 or the 3500, the GMC Sierra HD is a rugged truck with a large, durable build that can take on any task. Exterior features like cab-mounted cargo area lamps, power-adjustable trailering mirrors, and twelve fixed cargo tie-downs help you navigate various work projects. The Sierra HD PRO trim has chrome bumpers, with a CornerStep rear bumper that has two hollow spaces on each corner for inserting your foot when climbing into the bed.

Every GMC Sierra HD comes with a trailering package to support all of your towing endeavors. This package includes a trailer hitch, a trailering hitch platform, a 7-wire electrical harness, 4-pin and 7-pin connectors, and Hitch Guidance.

Seating

The Sierra HD regular cab model can seat three passengers across its full bench seat. This bench has an under-seat storage compartment to provide additional cargo room inside your truck. Double cab and crew cab models can seat up to six passengers, with a 60/40 split rear bench that can be reconfigured for cargo room across the floor.

Tech

The 2025 Sierra HD has a GMC Infotainment system with a 7-inch color touchscreen. This system includes Apple CarPlay, Android Auto, Bluetooth audio streaming, and AM/FM radio. Sierra HD pickups are also Wi-Fi hotspot capable, offering internet access on up to ten devices within fifty feet of the truck.

Safety

GMC Sierra HD pickups come with the Sierra HD Pro Safety package. This package includes a range of driver-assistance functions, such as Lane Departure Warning, Automatic Emergency Braking, and Following Distance Indicator. The GMC Sierra HD Pro Safety package also comes with Buckle to Drive, which blocks you from shifting the truck out of PARK unless your seatbelt is fastened.

Find out which Sierra HD is right for you at Buick GMC of Beaverton in Portland, OR, today!

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