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