Depends on your needs now and the future, for us the Class C was best for the family since we move often during vacation max 7 days since still working. Same unit for 20 years, useful size moving towards empty nester. No need to tow and easy to drive, a large van with living space built around it. Ford E450 gasser plenty of power easy to work on. If you are handy and like DIY, have good tools - rarely need dealers maintenance & repair, they take too long and IMHO services usually not as good compared to what we can do. If you are concern about mpg, fuel prices, repair costs - highly recommend a minivan with tent and stay in hotels. By the way minivan, tent, and staying in hotels costs less but not the same RV lifestyle.