AstinaGT Forums - View Single Post - Mazda 3 2.0L 2011

lliw · 11-08-2016, 10:53 PM

Hey guys

I'm just wondering on the best viscosity engine oil to use in my Mazda 3. Located on east coast NSW.

The Castrol site says 5w-30 and the Penrite site says 5w-40.

I'm going to be using a full synthetic.

Advice?

11-08-2016, 10:53 PM	#1
lliw Junior Member Join Date: Aug 2005 Location: Melbourne Car: cvbb Posts: 44	Mazda 3 2.0L 2011 - engine oil Hey guys I'm just wondering on the best viscosity engine oil to use in my Mazda 3. Located on east coast NSW. The Castrol site says 5w-30 and the Penrite site says 5w-40. I'm going to be using a full synthetic. Advice?