Getting the best price for a used car in Michigan has never been easier. Simply fill out the form and within minutes receive the value of your used car. Prices are given to you by a participating dealer close to your home, so you can go directly to the dealership and trade it in for the quoted price, or you can use the suggeted price and sell it yourself. Remeber these are dealer prices and they have to make money, so you should be able to add between 5% and 15% to your price if you decide to sell the used car yourself.