Are those the standard t-jet wheels in Hungary? Perhaps the roads are too rough for 17inch wheels with 45 profile tyres, or is the trim level something other than sporting?
No, this is not the standard. I bought the car with steel wheels. At spring I bought 4 summer tire (185/65 - for the steel wheels), therefore I had to buy 15' wheels in summer.
(Otherwise, yes, the roads are rough