BACCARA: Trochu off-topic, ale nutno rict, ze kdyz uz nekdo zaplati za SPZku tak by mohl znat rozdil mezi PS a HP.
Though it's still commonly used by carmakers, PS or Pferdestärke (horse-strength in German) was actually replaced by kW as the EU's 'legal' measurement of engine power in 1992. One PS is about 98.6% of a brake horsepower – the two are virtually interchangeable, and PS is sometimes referred to as 'metric horsepower'.