Nikasil cylinder-bore linings on pre-2000 cars are prone to wear from the high sulphur content in modern petrol. check for evidence of professional, warrantied replacement within the service history.
changing the oil in the pre-2003 five-speed gearbox is tricky, so some owners don’t bother. again, check the service history.
rust in the sills is especially bad on leaky convertibles and body flex can crack them.