As great as the aforementioned recommendations are, the very best time to buy a car Loan is really when you need it. When your current car is old and no longer holds up as well as it used to, and you absolutely need a ride of your own to get around, then it is time for your next auto purchase. When you will actually make the purchase is up to you, but make sure you do enough research before you do it. You have more than enough options on Oklahoma City auto lenders alone—make sure to do your homework so you can make the right decisions.