RV Loans — Firstmark Credit Union is a rv, boat & motorcycle loan from Firstmark Credit Union. The ongoing APR is Rates as low as 6.75% APR. Loan terms: Up to 144 months (12 years) for $35K+ Up to 120 months (10 years) for $25K+ Up to 84 months (7 years) for $15K+ Up to 60 months (5 years) for $10K+.