A single one can substitute the other. They are Class A, B and C RVs. This video will provide the reasons the reasons to avoid purchasing a Class A motorhome. Instead, take a look at different RVs available.
Each RV class has its advantages and disadvantages, so each individual may pick the other over another. The Class B RV isn’t the typical motorhome. It’s a little larger van and you may simply mistake it for a regular van if you do not pay attention enough.
The biggest issue that comes for Class B RVs is the absence of sleeping arrangements that are permanent. In the event that you intend to travel across the country and this may be issues. The bathrooms are small and uncomfortable in addition to not having beds. The bathroom is small and cramped. might be an issue to cross-country travel.
Take a look at this video for additional details about Class B recreational vehicles. You have to make your own decisions about the RV you want. When you are looking to purchase an RV, be sure you do your research.