Actually the madza SP other than in singapore would stand for
their top of the line sport models.
In australia, the SP as in the Mazda 3SP23 is a 2.3 litre engined
sports outfitted mazda 3 with sports suspension, body kit, sports
interior, and 17" rims
we now also have the mazda SP23 turbo, a 190kw mazda 3