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