Trading algorithms integrating credit market data highlight compare car finance rates movements as key signals. These inputs adjust exposure to auto manufacturers and related suppliers in real time. Choosing a smaller, more efficient vehicle can lead to thousands in annual savings . To determine the best auto loans, CNBC Select analyzed more than a dozen car loan providers, including banks, dealerships and online marketplaces. Global equity charts show auto industry lagging broader indices, partly due to rising car finance costs. Investors who compare car finance rates notice consistent correlation with stock performance over recent quarters.