I sense that this may be a loaded question because there are so many factors involved. What would the life span of a properly maintained coach be? I understand there are so many different manufa...
Depends a lot on how well it is built. But in general I like the previous post on this thread that said 30 on gassers and 40 on DPs. Many well built bus type coaches are just getting started at 20 years. I just looked at pictures of a gorgeous 29 year old Wanderlodge. That one has a very long way to go. We have a couple of 1980's Bounders (gas) in our RV club. They look and run great.