Can you Trade in A Financed Car? Can you trade in a financed car? One of the most prevalent situations for consumers who want to upgrade to a new vehicle or just reduce their monthly payments is trading in a financed car. However, trading in your car while it is still in finance is slightly more problematic than dealing in a paid-for car in that sense. Whether you want to achieve better gas mileage, locate a car that better fits your needs, or get out of high-interest loans, understanding the process and what to expect is a good place to...