Whether buying a car affects your credit score or not depends on how you pay for it. If you pay cash, purchasing a car will have no effect on your credit score because your credit score does is not affected by a cash purchase. Alternatively, paying with a credit card may have a short term effect on your score. Though a smaller purchase than a house, many people take out a car loan to help pay the costs at the time of purchase. This loan can affect your credit score in a number of ways. Auto Loan Inquiries When taking out a car loan, shop...