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