Outback F6-3.0L DOHC (2006)
Engine Oil: Fluid Type Specifications
Recommended oil: ILSAC GF-4, which can be identified with the new API certification mark (Star burst mark) or API classification SM with the words
"ENERGY CONSERVING"
SAE viscosity 5W-30 preferred
Recommended grade and viscosity for severe driving conditions -
If the vehicle is used in desert areas, in areas with very high temperatures, or used for heavy-duty applications such as towing a trailer, use of oil with the
following grade and viscosities is recommended.
API Classification SM (or SL)
SAE Viscosity 30, 40, 10W-50, 20W-40, 20W-50
