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