> One of the reasons people give for buying German luxury cars is because they only need the oil changed once a year vs the 3-4x a year for American or Japanese

> One of the reasons people give for buying German luxury cars is because they only need the oil changed once a year vs the 3-4x a year for American or Japanese or Volkswagen cars. No clue about American & Japanese cars, but for VW (and Opel) it's definitely just once per year (in Switzerland).