'88 '89 5000CSTQ/200Q Hard starting

[choate@leland.stanford.edu (Keith Choate)]

Hi there,
   I have an '86 Audi 5000CST that starts beautifully every time.  It
starts nearly immediately, without any hesistation.  Our other Audis, an 88
and 89 5000CSTQ both start hard.  They need to turn over for at least five
or six seconds before starting.
   So, I have two questions.  1: Do '86 Audis just start better inherently
2:has anyone else had this problem and then rectified it?
   Thanks.
                                                        Keith Choate