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