How long are RV loans? Typically, RV loan terms range from 10-20 years (120 -240 months) at most banks and credit unions. At Alliant Credit Union, we offer RV loans up to $300,000 and terms up to 20 years.55 Get a motorhome loan term at a competitive credit union rate. Need to refinance? Refinance your higher rate RV loan and save. Want to pay it off early? We offer no prepayment penalties and can get your approval the same day in most cases.