While all three types of lifestyle van aim to offer you somewhere to sleep as well as something to drive, the main difference between them is size. The smallest van-based MPVs might be no larger than your average family car, but they can quickly grow. Expect a campervan to be about the same size as a large van, while a fully-fledged motorhome will be larger still. In fact, the largest American-style motorhomes are almost on a par with your local bus in terms of size. You can find out more about the different types of motorhome here.