Your credit score heavily impacts your car payment by setting the interest rate on your loan.
A high score (good credit) means you get a much lower interest rate, resulting in lower monthly payments and less money paid overall. A low score (bad credit) means you pay a much higher rate. If you plan to use an app like Mi Auto Affordable used Japanese cars in Shizuoka, Japan, pre-checking your credit will give you a clear payment estimate before you bid.