SPECIAL: ALL CARS SOLD IN MAY COME WITH A SIX MONTH WARRANTY!, Diamond Auto Sales was established in 2010. We are a family owned company and are proud to offer the highest quality vehicles at the lowest prices. We are committed to customer satisfaction and do our best to provide quality vehicles to our customers at an affordable price., , At Diamond Auto we understand that purchasing a vehicle is a big decision. Our staff is here to help make this experience a positive one. All of our vehicles go through an extensive inspection by professional mechanics to make sure that the vehicles meet or exceed state inspection requirements. All cars are Maryland inspected. Any necessary repairs are made prior to our cars being offered for sale., , All our sold vehicles come with a 3 month warranty., ,