You may (and probably should) have a maximum monthly payment that you can afford in mind, but it’s not in your best interest to shop by monthly payment.
1. Don’t Only Focus on Monthly Payments
When you shop by monthly payment, rather than the total cost of the vehicle, you’re more susceptible to financing mechanisms that can have you paying thousands more over the life of the loan. Know roughly what your monthly payments will be on your target price, and negotiate on price alone