Castrol Magnatec 10W-40 4L Engine Oil $34.99 @ Supercheap Auto ($29.74 via Price Match at Mitre 10)

This is half price at Supercheap Auto - usually $69.99.

Mitre 10 have this on special for $52.79 down from their usual $65.99 if you want to try a price match and get it a further 15% off. Will make it $29.74.

The Warehouse are at $55, so you could try to match Supercheap pricing if you don't have a M10 nearby.

• 4L. 10W-40. API SN/CF. ACEA A3/B3, A3/B4
• Semi Synthetic
• Intelligent molecules dramatically reduce engine wear at start up
• Protects during all driving conditions, styles & temperatures