Working to Bring You Automotive Excellence in Saint John, New Brunswick At Saint John Nissan, we’re proud to serve the needs of Southern New Brunswick and the greater Saint John area. Whether you’re from Rothesay, Quispamsis, Hampton, Grand Bay, Sussex, St. Stephen, St. George or Grand Manan, we’ll welcome you into our dealership and help you find the perfect vehicle for your needs and budget. Located at 633 Rothesay Ave in Saint John, New Brunswick, Saint John Nissan is your premier dealer for everything Nissan!