Generally, small RVs cost less than their larger alternatives. Their prices usually start at around $50,000, but you can also find one under $40,000, depending on the luxuries they have. With that in mind, some small RVs can cost even over $100,000 if they are equipped to the highest standard. Many factors will determine the price of a small RV. These factors include the type of an RV, brand, floor plan, construction, and technical features.