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