Fwik all FWD PQ35 modells from 200 to 230 BHP share the same setup: 312 mm + 286 mm.*
All AWD PQ35 modelle from 250 to 272 BHP share almost** the same as well: 345 mm + 310 mm (both vented).
The Leon Cupra is a mixture from both: 345 mm + 286 mm.
Check ESP setting via VCDS. There's a 17" option.
*Mk.VI GTI incl. ED35 just 272 mm on rear
**different pads though (even S3 has a different compound than A3 3.2)