Re: 164 value
Might be a bit trickier finding an MOTd blue one with a VIN and engine number that matched the registration document though!
You'd really have to "ring" the car if you wanted to do that!
More seriously though. It will be a 12 valve, pre-catalyst V6. They weren't famous for snapping cam belts at all, but it is possible. The 24 valve cars were completely different animals with very fragile cam belt systems!
It is, as has been said, practically worthless and although the 164 was as good as any of its contemporaries (and better than many!) for rust, they CAN still rot.
To my mind, the 12 valve cars with no catalysts to worry about were the best bet. The 24 valve cars produced a bit more power but were a lot thirstier. Unless it's a Cloverleaf version, you could get surprisingly good economy on a run and the engines are pretty bomb proof.
If you decide that you want to have a look at it, post back on here and we'll try to put together a list of things to look at but my guess would be that it needs some welding for its MOT and it isn't worth the cost of having that done.