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