Used GMC Models Available Near Manorville

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! At our state-of-the-art dealership in Riverhead, NY, you will find a wide selection of new and used GMC trucks, SUVs, vans, and crossovers. Our inventory includes popular models like the GMC Sierra, GMC Yukon, GMC Terrain, and many more. We provide a knowledgeable sales staff who can help you find the perfect GMC vehicle to fit your needs and budget. GMC Service Center Riverhead GMC's service department features GMC factory-trained technicians who can perform maintenance and repairs on all GMC models. We use only GMC OEM parts to ensure proper fit and function. Our parts department also stocks a wide selection of GMC parts and accessories. Auto Financing Made Easy in Riverhead We offer competitive financing options to help make your dream GMC affordable. Our finance team will work to get you pre-approved for financing before you even step foot in the dealership. Why Choose Riverhead GMC? At Riverhead GMC, we want to be your GMC dealer for life. We serve customers from Riverhead, NY, Manorville, and beyond. Visit us near Medford and Smithtown or browse our inventory online to see what sets us apart. Riverhead GMC stands out from the pack with the following advantages to choosing us near Suffolk County and Shirley: Huge selection of new & used GMC vehicles Exceptional customer service Competitive pricing & financing options GMC factory-trained technicians Genuine GMC parts & accessories Convenient location in Riverhead NY We look forward to serving you and helping you get behind the wheel of the GMC of your dreams. Contact us today to schedule a test drive or service appointment!

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. Incentives and Special Offers Qualified customers will receive low-interest offers, cash-back bonuses, low down payment lease options, and more. We carry multiple offers for several of our new Buick and GMC inventory. You can browse our new offers and see which ones you'd like to put to use. We're creating more ways for you to save money on a new car. And drive home satisfied, no matter what you buy. New Buick and GMC Models Check out vehicles like the GMC Yukon XL, GMC Sierra 1500, Buick Encore GX, Buick Avenir, and more. You can find luxury, efficiency, and a better way to drive at our Buick GMC dealership.

The 2026 GMC Sierra 2500 HD is not a lifestyle pickup pretending to work hard, it works hard easily and can tackle large tasks. The Sierra HD lineup is engineered for actual towing, actual payloads, and actual long days where the truck matters for your daily activities. For drivers throughout Riverhead, NY, the Sierra HD lineup brings serious capability, upgraded towing tech, and enough trim choices to range from work truck to luxury. The Sierra HD Starts with One Important Idea: Strength First The backbone of the 2026 GMC Sierra 2500 HD capability story is simple. The Sierra HD is great for buyers who regularly tow equipment trailers, horse trailers, campers, machinery, and more. The lineup ranges from the work-focused Pro trim all the way up to the Denali Ultimate. more Diesel Torque Still Rules the Heavy-Duty World If maximum towing matters, the available 6.6L Duramax® Turbo-Diesel is the engine buyers around Long Island will want to pay attention to. Properly equipped, the 2026 Sierra 2500 HD can tow up to 22,390 lbs., which is enough capacity to move serious trailers. The gas engine options remain strong for buyers who don’t need maximum tow ratings every single day, but the Duramax® continues to be the centerpiece of the lineup for contractors, RV owners, and drivers regularly hauling heavier loads across New York highways. It’s the kind of torque delivery that makes merging feel effortless even when towing something large. Choosing the Right Sierra HD Trim Actually Matters The Sierra HD lineup covers a surprisingly wide range of personalities. The Pro trim is exactly what it sounds like: straightforward, durable, work-focused. Ideal for fleets and job sites. SLE and SLT trims add more daily comfort while keeping the truck fully capable for towing and hauling duties. These are the trims that balance work utility with enough refinement for regular commuting around Riverhead or longer drives across Suffolk County. Then there’s the Denali and Denali Ultimate, which brings premium materials, advanced tech, and refined ride quality.  The AT4 and AT4X take things in another direction, adding off-road suspension tuning, skid plates, and more, for buyers who need capability after the pavement ends. 2500 HD or 3500 HD? That Depends on Your Needs The Sierra 2500 HD is ideal for buyers who tow regularly but still want something manageable for everyday driving. The 3500 HD pushes things further with increased payload capability and the ability to easily haul extremely heavy loads. For many Riverhead-area drivers towing boats, RVs, or equipment trailers, the 2500 HD will already feel massively capable. But buyers running larger commercial trailers or fifth-wheel setups may want to step into the 3500 HD for the added capacity. A Heavy-Duty Truck That Still Works in Everyday Life What makes the Sierra HD lineup compelling is that it doesn’t feel trapped in “work truck only” territory anymore. Yes, it tows enormous loads. Yes, it can handle difficult job site work. But it also offers modern connectivity, comfortable interiors, advanced driver-assistance systems, and enough refinement for long-distance driving around Long Island and beyond. Drivers throughout Riverhead, NY can explore Sierra 2500 HD and 3500 HD inventory, schedule a test drive online, heavy-duty truck service, or discuss commercial truck financing through Riverhead GMC.