I know this has probably been asked a million times, but searches seem to bring up so many different inconclusive answers...
What type of coolant should I used on my 2005 Impreza WRX? I know the obvious answer is 'the Subaru one', but that's not convenient to me, so would rather know what I can pick up from a local place or Halfords.

 

Any decent brand will do,you get problems when you mix the different types I think.
I use comma x-stream G30 and have done for years in all my cars with no issues.
If your unsure give alyn a ring at A.S performance he will see you right

Tel 0191 410 3770

 

Prestone coolant, available everywhere and meets all of Subarus required specs.