So I just got a new Jetta with the 2.5L (gas) engine and see that it uses Castrol Edge w/SPT 5W-40. I've been running Mobil 1 0W-40 (factory fill) in my Porsche 997.2 without any issues.
Should I use the Castrol or Mobil 1 in the VW?
Should I use the Castrol or Mobil 1 in the VW?