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