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