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