... expansion tanks that crack from heat cycling and age
... plastic snaps that snap, btu not always an intended :-)
... ditto the washer fluid bottles
... ditto many of the (older, 986) interior parts, levers, etc.
I wont say they are vastly worse than all others, but there are better competitors. Many older porsches use Audi circa 1980s parts, while Audi/VW had migrated to much better feel and durability parts by ~1991 (e.g.: my 1991 90q20v). The turn signal stalks, switches, door pulls, etc are straight from my 1984 Audi 4000s quattro.
So i'll equivocate a bit on "suck", but largely i think plastic bits are one of their weaker areas. Along with IMS bearings and track-level oiling.
Grant
Grant
gee-lenahan-at-gee-mail-dot-com