Holidays and Traditions Can I trade in 2 cars for a new car? Can I trade in 2 cars for a new car? Yes it is possible. It makes the numbers more confusing, but yes, the dealer will give you money for both cars and pay off the one loan. Your net price will be adjusted by how much is left after they pay off the loan. Related Posts:How long should you keep a financed car before trading it in?Do you lose money on a trade in?Can u trade in two cars for one?Can you take your name off a joint car loan?