AudiLuxury CarsMedium CarsSedanSports Cars2018 Audi S4 – Switching to turboAntonio PerluciFebruary 23, 2017January 13, 2018 by Antonio PerluciFebruary 23, 2017January 13, 20180137 Audi S4 has always been one the classiest way to travel within entry level luxury sedan world. It was never brutal as RS version rivaling...