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