There practical, as in you can store lots of things in them, they can carry a lot of people.
Store things in it? Sounds like you might want a van, sheds and garages can store things. Also what is 'a lot' of people?
There fun because you can take them anywhere, and they look well good.
We don't live in the Urals, how many times are you going to encounter places where other cars can't get to/allowed to in your daily life?
You can modify them by putting winches, snorkels, spot lights, big tyres etc on them.
But if you can only afford one car when your young then you can't afford a separate weekend toy.
If you can afford to do that then you could run a second car, if you bin it whilst off roading, your stuffed.