Hyundai Dealership Greenfield MA. http://www.haddadhyundai.com/ Are you looking for a Hyundia dealership in Greenfield Massachusetts? For the past 80 years Haddad Hyundai has been a family owned and operated dealership. At Haddad Hyundai dealership we especially take pride serving our Greenfield Massachusetts customers’ with a sales staff that offers many years of experience satisfying our Greenfield Massachusetts residents needs.