<prompt> Human: I am totally new to the car buying thing, first time car owner. I bought a used car and the finance guy gave me higher APR about 2 more with 20 down then promised before buying the car with 0 down. His point for higher APR was, I have very less credit history to get lower APR. I offered to put more money down and even offer consignee but he refused to go back and check with the banks for better rates stating that it wont matter since I have no long enough credit history to show it to the bank. Here is little info about me. I have upper 700 score have 3 cc with about 30k limit on cards. One 30 and 60 day late payment reported on one card which was a mistake and got closed. I signed the deal but now regret my decision and not sure how should I make this situation better. Is there a way I can reduce my Apr?Assistant: You can shop around at different banks or credit unions to see if theyll refinance your loan at a lower rate. My first car I ever financed when I was 21 had a high interest rate because I had never borrowed money. I made my monthly payments on time for a year and then refinanced. My interest rate dropped by more than 50.Human: Thank you, the only problem with this is credit report dings. I do not want any more dings on my report which will lower my score even further. Is there a time limit for how long should i keep paying the current loan to reflect positive change in my history?  <response>: Your credit score doesnt directly cost you anything. Higher interest payments do. If you wait, you will pay more interest. 