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