Diamond Cars R Us Inc - Used car dealer in Franklin Square, NY. Welcome to Diamond Cars R Us Inc. We are a full service New York used car dealer located in Franklin Square serving the towns of Nassau County Garden City NY, Floral Park NY, Elmont NY, West Hempstead NY, New Hyde Park NY, North Valley Stream NY, North New Hyde Park NY, Hempstead NY, Valley Stream NY, Mineola NY, Lynbrook NY, Uniondale NY, East Rockaway NY, Baldwin NY and Roosevelt NY. We take pride in the quality used inventory that we carry that include Acura, BMW, Dodge, Ford, Honda, Hyundai, Jeep, Mercedes-Benz, Nissan, Ram and Toyota. The cars, SUVs, minivans, trucks and pickups we carry are inspected and often may be eligible for the many extended service contracts & warranties we offer. Our finance department has relations with most banks and lending institutions in NY and will help you get a car loan at affordable payments. We provide sub-prime financing too and in most cases your credit history may not be a problem as you might think! At Diamond Cars R Us Inc, we believe you can get financed with good, bad or no credit history at all.