The One Detroit Credit Union is a auto loan from One Detroit Credit Union. The ongoing APR is Cars, Trucks, Vans, Sport Utility Vehicles Term | APR* As Low As 36 Months | 4.24% 48 Months | 4.49% 60 Months | 4.99% 72 Months ($15,000+) | 5.24% 73-120 Months (Boats, RVs, Motor Homes, Travel Trailers, Fifth Wheels) | Call us. Typical credit limit: maximum secured loan amount is $60,000. Loan terms: Term of up to 72 months.