At Sunnyside Certified Used Car Center, we have an experienced sales team that is dedicated to providing outstanding customer service to you. Located conveniently at 115 Daniel Webster Highway in Merrimack, New Hampshire (just across the highway from BAE Systems Merrimack facility) our comfortable dealership is close to you and easy to find. We regularly welcome customers from Nashua, Londonderry, Derry, Manchester, Concord, Keene, Portsmouth, the rest of New Hampshire, Massachusetts, Vermont, Maine and the rest of New England.