Correct. You can keep the same calipers but need the glanza carriers to sit them on the larger glanza discs. Not a hard job if you've got the tools, took me and a mate a couple of hours when i did mine.
Worth the starting price just for clocks, electric windows, and parcel shelf to upgrade your Sportif. http://www.ebay.co.uk/itm/toyota-starlet-1-3-salvage-/121924401495?hash=item1c6342b957:g:l9oAAOSwr7ZW5tQA
Never seen one in this colour before..... http://www.ebay.co.uk/itm/Toyota-Starlet-1-3-CD-GENUINE-LOW-MILES-52000-MOT-DEC-2016/201539678505?_trksid=p2045573.c100033.m2042&_trkparms=aid%3D111001%26algo%3DREC.SEED%26ao%3D1%26asc%3D20131017132637%26meid%3D42905de513e54dda9b9a53b9b672cc97%26pid%3D100033%26rk%3D1%26rkt%3D4%26sd%3D201539678505