Sunroof. Navigation System. Gasoline! Your lucky day! Your quest for a gently used car is over. This terrific-looking 2015 Mazda Mazda6 has only had one previous owner, with a great track record and a long life ahead of it. This fantastic Mazda is one of the most sought after used vehicles on the market because it NEVER lets owners down. It is nicely equipped with features such as Navigation System and Sunroof.