Mastria Auto Group's reputation for integrity and honesty have helped us become a premier GMC, Nissan, Cadillac, Buick, Mazda and Subaru dealership in Massachusetts. It began with Richard Mastria back in 1955 and continues today with his son Rick Mastria, who is not only the owner of Mastria Auto Group, but was also named Time Magazine's 2010 Dealer of the Year in Massachusetts.






Our number one mission is to follow the golden rule: To treat every single customer the way we would want to be treated.

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