Nothing major other than they've usually been thrashed.
Check the front suspension lower arms and bushes, these wear a lot (every
year sometimes depending on the driver)
The oil should have been changed regularly or the breather pipes block up
(every 3k miles if the car is only used for short journeys)
There should be no tappet noise from a cold or hot startup and no smoke on
startup, after overrun or under hard exceleration (watch from behind in
The inner and outer sills on a '93 should still be ok but check anyway (lift
the carpets and check underneath) and check the A posts and front wheel
splash panels where they meet the wings.
an easy car to work on and parts are cheap enough
hope this helps