The Interstate Credit Union is a auto loan from Interstate Credit Union. The ongoing APR is Auto (2022 and newer): 36 - 60 months 4.25% - 12.25%; 61 - 75 months (>$20k) 5.25% - 13.25%; 84 months (>$30k) 5.80% - 8.50% (rates as of September 29, 2026).