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