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