Finding the right car under $500 down in Washington, MO is just a few simple steps away. Each used vehicle in Washington listed can be bought with $500 down. Buy a car with 500 dollars down in Washington and get an auto loan with $500 down at a single convenient Washington Missouri location. Our St. Louis area used car dealers offer you the best chance to finance a used car in Washington with a low down payment and a monthly payment that fits within your budget.