This looks like a GLI, so the brake must be the "GTI-sized" rotors (in the front at least, I think VW put smaller rear rotors in the back of this generation GLI).
To most people (in the NAR market anyways), a "Jetta 2012 2.0" is an 'mk6' jetta with the 2.slo engine ('Old' 2 litre 8 valve)...