Discover the Powerful 2025 GMC Sierra 3500HD in Cumberland, MD

Timbrook GMC in Cumberland, MD is excited to offer the impressive GMC Sierra 3500HD. This heavy-duty pickup delivers world-class performance, impressive technology, and a luxurious interior that sets it apart from the competition. Whether you're in Cumberland, Frostburg, Hagerstown, or anywhere in Allegany County, the Sierra 3500HD is ready to tackle your toughest jobs.







Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone

GMC Sierra 3500HD Trim Levels for Sale at Timbrook GMC

The 2025 GMC Sierra 3500HD offers six attractive trim levels: Pro, SLE, SLT, AT4, Denali, and Denali Ultimate. Each trim boasts unique features and options, allowing you to select the perfect configuration for your needs. From the work-ready Pro to the luxurious Denali Ultimate, there's a Sierra 3500HD designed for you.

Enjoy the Well-Designed GMC Sierra 3500HD Interior

Check out the Sierra 3500HD and get inside a cabin that combines functionality and comfort. Premium materials, modern technology, and abundant storage solutions create an inviting environment for both work and play. La Vale drivers will appreciate the roomy seating and quiet ride, making even the longest trips enjoyable.

The GMC Sierra 3500HD Has a Bold Exterior Design

The 2025 Sierra 3500HD grabs attention with its bold, sculpted exterior. With a powerful front grille, striking LED lighting, and muscular body lines, this truck exudes strength and capability. Available features like the MultiPro™ Tailgate and power-retractable assist steps enhance both style and functionality.

The GMC Sierra 3500HD Delivers Unmatched Performance

Purchasing a new Sierra 3500HD means you get a choice of two powerful engines. The standard 6.6-liter V8 gas engine delivers 401 horsepower and 464 pound-feet of torque, while the available 6.6-liter Duramax® turbodiesel V8 produces an impressive 470 horsepower and 975 pound-feet of torque. Paired with an Allison 10-speed automatic transmission, the Sierra 3500HD can handle even the most demanding tasks with ease.

Explore the GMC Sierra 3500HD Technology Features

The 2025 Sierra 3500HD is equipped with cutting-edge technology to keep you connected. The available 13.4-inch diagonal GMC Premium Infotainment System with Google built-in offers seamless integration with your smartphone, while the available Head-Up Display projects critical information directly in your line of sight. Hagerstown drivers will appreciate the convenience of the available wireless charging pad and multiple USB ports throughout the cabin.

Get Peace of Mind with Timbrook GMC

Your safety is a top priority in the Sierra 3500HD. With available features like HD Surround Vision, Rear Cross Traffic Alert, and Lane Change Alert with Side Blind Zone Alert, you can navigate even the busiest job sites with confidence. The available Front and Rear Park Assist and Automatic Emergency Braking provide added peace of mind when maneuvering in tight spaces.

Experience the Sierra 3500HD at Timbrook GMC

Discover the power and capability of the 2025 GMC Sierra 3500HD at Timbrook GMC in Cumberland, MD. Our knowledgeable staff is ready to help you find the perfect trim level and configuration to suit your needs. Visit our finance center to explore payment options on the 2025 GMC Sierra 3500HD. Set up your GMC Sierra 3500HD test drive with our staff today.

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  1. Timbrook GMC

    10201 Mount Savage Road NW
    PO Box 1682
    Cumberland, MD 21502

    • Sales: (301) 852-6444
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  • Contact our Sales Department at: (301) 852-6444
  • Monday9:00 am - 6:00 pm
  • Tuesday9:00 am - 6:00 pm
  • Wednesday9:00 am - 6:00 pm
  • Thursday9:00 am - 6:00 pm
  • Friday9:00 am - 6:00 pm
  • Saturday9:00 am - 2:00 pm
  • SundayClosed