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When it comes to tackling tough jobs, few trucks can match the impressive capability of the 2025 GMC Sierra 2500 HD. 

At Riverhead GMC, we're excited to showcase the impressive array of safety technologies and protective features in the 2025 GMC HUMMER EV SUV. 

Riverhead GMC has an exciting collection of new and used GMC vehicles available near Suffolk County, giving local customers access to a vast range of model years and trim levels.

Welcome to Riverhead GMC, your premier GMC dealer serving Riverhead, NY, and the surrounding areas. Located on Old Country Road in Riverhead, we are proud to serve as Long Island's top GMC dealer. Our team provides exceptional customer service and makes the car buying process easy and enjoyable every step of the way!

Specialized financing incentives and lease deals are available at our Buick GMC dealership. You can find several deals designed to keep more of your cash in your pocket. Check out what we've got and see how many ways you can save on your way to a new Buick or GMC.