What’s a good credit card APR?

Your credit card’s APR, or annual percentage rate, is an important figure to pay attention to, especially if you do not pay off your card’s balance in full each and every statement cycle. The APR represents the interest rate you are charged on a credit card balance that remains after the card’s due date, and it can make a sizable difference in how much you ultimately have to pay to zero out your balance.

While credit card APRs have always been notoriously high, especially in comparison to other forms of borrowing...