Clutch went at 90'000 (costs of nearly £200 to replace)
Central locking was very temperamental.
Sun roof leaked.
Electrical problems involving the stereo and dash board.
Manifold didn't fit down-pipe, led to a constant blowing that was never fixed.
This car was seriously good fun despite all its faults, once lowered and on a set of 15" alloys this car looks seriously good as is a almost gti replica.
The biggest criticism of this car was the extremely expensive insurance (its only a 1.4 not a gti) and how much Peugeot want to charge you for parts, much better off going to a motor factors for everything.
205 Xs's are very very cheap to insure for what they are, I am 19 and I pay £578 in my own name, best places to try are direct line and the other good one is elephant.co.uk.