Rate: 13.74 percent variable rate
Designed for those who put in a lot of time on the road, the Citi Driver's Edge card earns you a satisfying 6 percent back on purchases at gas stations, supermarkets and drugstores for the first year, and a still-solid 3 percent after that.You also earn $1 every 100 miles you drive. But there are limits: Your total rebate is capped at $1,000 a year.
