new gmc sierra 3500 hd near carrollton, GA

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2025 GMC SIERRA 3500HD


*STARTING AT $46,300


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Front exterior view of the 2025 GMC Sierra 3500HD

Overview of the 2025 GMC Sierra 3500 HD

If you need a large pickup truck with high-end build credentials and cutting-edge safety technologies, the 2025 GMC Sierra 3500 HD is an excellent choice. Updated for this year's release, it now has adaptive cruise control, a new trailer brake control, upgraded car parking assistance, and a Universal Vehicle Module. On the SLE trim, you'll also find a new MultiPro tailgate as standard.

Technology highlights

The 2025 GMC Sierra 3500 HD has fantastic driver assistance and safety technologies, with auto start and an innovative snow plow feature for those tough winter drives. It has 23,300 lbs of towing capacity, and adaptive cruise control has been added to the AR4 and Denali trims. Check out a wide range of customization choices, too. 

Interior front seats view of the 2025 GMC Sierra 3500HD
Interior seating veiw in the 2025 GMC Sierra 3500HD

Design and Styling

The GMC Sierra 3500HD has been refreshed with design additions that include available 20-inch two-tone wheels, a branded spray-on bedliner, and pixel-perfect LEDS. You'll love the legroom, luxury finishes and generous digital display in the cabin. 

Awards and Accolades

The GMC Sierra 3500HD is a top seller at John Thornton Buick GMC and a top favorite with our clients, particularly for its value retention. In fact, it has one of the highest 3-year residual figures in the industry's pickup category. It was also ranked in last year's North American Car of the Year for its strong build and safety stack.

Rear exterior hatch open view of the 2025 GMC Sierra 3500HD

Shop the 2025 GMC Sierra 3500HD Today!

*The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles' destination freight charges.

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The 2025 Sierra 3500 HD is offered in Pro, SLE, SLT, AT4, and Denali trims, with the premium Denali Ultimate delivering the highest level of luxury and technology.


Buyers can choose between two powerful engines:

·         6.6L V8 Gas Engine – 401 hp and 464 lb-ft of torque.

·         6.6L Duramax Turbo-Diesel V8 – 470 hp and an impressive 975 lb-ft of torque.
Both are paired with a 10-speed automatic transmission for smooth performance.


When properly equipped, the Sierra 3500 HD can tow up to 36,000 pounds with a gooseneck or fifth-wheel setup. It also offers advanced trailering technology, including up to 14 available camera views to make hauling easier and safer.


The Sierra 3500 HD is built for heavy-duty work, offering a maximum payload capacity of over 7,400 pounds, depending on configuration.

You can choose from Regular Cab, Double Cab, and Crew Cab designs, along with Standard Bed and Long Bed options, so the Sierra 3500 HD can be tailored to both worksite needs and family hauling.


The 2025 Sierra 3500 HD competes with heavy-duty trucks like the Ford F-350 Super Duty and Ram 3500. GMC sets itself apart with its available Denali and Denali Ultimate luxury trims, advanced trailering tech, and the MultiPro Tailgate, which provides six unique functions for added convenience.


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