The Katahdin Federal Credit Union is a auto loan from Katahdin Federal Credit Union. The ongoing APR is Annual Percentage Rate as low as: up to 36 months 4.99%; 37-48 months 4.99%; 49-60 months 5.15%; 61-72 months 5.50%; 73-84 months 6.00% (Model Year 2022 and Newer); loan rates are as of October 1, 2026.