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