Coolant - OPC only?

[garyjones1962]

I've been told VW coolant is the same - is that true? As I have a VW dealer 2 mins away (as opposed to 30+ mins to OPC) it would be handy.

Also, what about Mobil Advance or Halfords Advanced? Are all these G12 pink/red ones the same?

Thanks in advance,
Gary