The Seattle Credit Union is a auto loan from Seattle Credit Union. Application typically pulls a hard report from Experian. The ongoing APR is 84 months 8.49%; 120 months 8.99%; 144 months 9.49%; 180 months 9.99% (APR as low as, rate effective October 17th, 2026; RV & Boat Loans, new or used, models 10 years and newer). Typical credit limit: We offer financing up to $250,000.. Loan terms: Loan terms are available up to 15 years, depending on the loan amount and year of boat..