What eara are you looking at? A good one to go for is a saracen comand vehicle. high roof, room enough to sleep. Cheap to buy. You gould also go for a Landrover 109 series 2 or 3 ambulance. you could even go for the rather meaty Landrover 101, any of these will do, they do an ambulance but there do tend to be a little large and tall . the standard soft top version are very nice and have enough room to sleep, there is the hard body 101 for the radios turns into a nice compact camper. But what is it you are wanting to do with the vehicle? Good luck.