5k would get you a nice defender or discovery .....
One very good thing the fl does is,put it in any gear,take your feet off the peddles and it will plod along forever at an even pace,on the crappiest roads and tracks.Make sure you buy a diesel one. Td4 is easily in that price range for a good one. Buy an auto if you want to take it off road, as the cluch can get a bit hot on the manuals when taken off road. Have a good read on here for probelms to look out for. Missing vcu - viscous coupling, sunroof/rear door leaks, missing prop shafts or vcu to hide transmission problems.
One very good thing the fl does is,put it in any gear,take your feet off the peddles and it will plod along forever at an even pace,on the crappiest roads and tracks.