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