5 Reasons Drivers Love the 2025 GMC Sierra HD

1. Incomparable Power

The standard engine on both the Sierra 2500 and 3500 HD is a 6.6-liter V8 that makes 401 horsepower and 464 pound-feet of torque, connected to a 10-speed automatic transmission. A 6.6-liter Turbo-Diesel V8 is available for 470 hp and a whopping 975 lb-ft of torque if you need maximum towing and hauling power.

2. Incredible Towing and Payload Capacities

When properly equipped, the Sierra 2500 HD can tow up to 22,500 lbs, while the 3500 HD with the Regular Cab, long bed, dual rear-wheel drive, and diesel engine is rated for the highest capacity of 36,000 lbs when you add the Max Trailering Package, Convenience Package, gooseneck hitch, and 120-volt power outlet. The base 2500 HD Pro boasts a maximum payload capacity of 3,637 lbs, and the 3500 HD Pro boasts a maximum of 4,342 lbs.

3. Customizable Drivetrain

With up to four different drivetrains available, the 2025 Sierra HD can handle just about anything. The 2500 HD Pro comes standard with single rear-wheel drive and can be optioned with four-wheel drive, which is standard for the rest of the lineup. The 3500 HD unlocks more options with available dual rear-wheel drive, single four-wheel drive, and dual four-wheel drive.

4. Versatile Bed and Cab Options

You can configure your Sierra HD with the Regular Cab for up to three people, the Double Cab for up to six, or the Crew Cab for six-person seating with extra space. The standard cargo bed measures almost seven feet long and can be combined with the 2500 HD Double or Crew Cab, while the 3500 HD options it exclusively with the Crew Cab. The long bed measures just over eight feet and can be configured with any cab size.

5. Seating Options

A vinyl split-bench front seat with four-way manual adjustments for the driver and front passenger is standard, but cloth- or leather-covered 10-way power front seats are available. Heated outboard seats are also available for both the front and rear in certain trim levels.

If you’re looking for a truck with serious power, the 2025 Sierra HD should be on your list. When you’re ready to see how it handles on the road and customize the hardworking pickup of your dreams, stop by Marquardt of Barrington GMC in Barrington, IL!

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