In the UK there were no A series autos, but the B series had an automatic option on the 2.2DTi and the 3.2V6. As Woodwizzard said the MU (import Fronty) had an auto option, and is basically an A series.
They do crop up on ebay every once in a while, but most autos are 5 door models.
Jim and Phoenix
Proud owner of an...erm...MG ZT CDTi 160