If you're in the market for a new car, you want to get your credit score as high as possible as this can decrease your down payment and the interest that you pay. One way to improve your score is to make sure all of your bills are paid on time each month, especially accounts that report to credit bureaus. There are usually advisors in Portland, OR that can offer advice about how to budget your finances to accomplish this step.
When you find a car, talk to Jim Fisher Volvo Cars Portland about test driving it so that it can be checked by a mechanic. If it's in overall good condition but with a few minor issues, you might be able to get a small amount taken off the total price. This can usually lower your interest fees and monthly payment, which can then improve your credit score if you make the payments on time.
If you have any past-due accounts or if there are any that you don't recognize, then try to dispute them. Some companies will remove the account if it's a few years old.