Auto Loan Rates I Have Found The National Interest Rates For Auto Loans, How Do I Calculate The Rates For Poor Or Good Credit?

I have found the national interest rates for auto loans, how do I calculate the rates for poor or good credit? - auto loan rates

I try to help a friend. Not to Nosy Be and ask what your credit rating is excellent, too good, bad, but I wonder whether there is a certain amount of points that were actually on the loan, statutory tax National Car I found online. I think the national loan rates for cars on credit score Good Excellent with the right mouse button?
Thank you for your help. It is very much appreciated.