List of Buick GMC Stores in Riverhead, NY Outlet Note Regular Brands Buick GMC New York Riverhead Rating 4.6 based on 93 votes Official Website http://www.chevrolet.com Products Cars Car Deals Automotive NameAddressPhone Name/Address/Phone Buick GMC outlet - Riverhead 1423 Old Country Rd (631) 727-2271 People Also Viewed