STI 2004 Blobeye Oil
 

Can anyone tell me what grade and make of oil the 2004 WRX STI takes and how much? I checked my level yesterday and its well low. Coolant was also low. Do they drink alot of oil? I haven.t really been driving the car hard either?

5w 30 i believe mate. semi or full synthetic. depends on usage. as for make u have a few to choose from. i tend to use castrol. halfords stuff aint too bad but if your buying cheap u may need to change oil more often

5w 30 is too light a weighting if your engine is tuned. 10w 40 or 10w50 would be better if it is tuned!.

this topic has been covered before.
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https://www.scoobynet.com/general-te...ngine-oil.html