Subaru Outback Manuals 2013 Outback Owner's Manual | Page 470

12-6 Specifications ! 3.6 L models Oil grade SAE viscosity No. and applicable temperature Engine oil capacity Your vehicle is designed to use 5W-30 – Adding the oil from L to F level: 1.1 US qt (1.0 liter, 0.9 Imp qt) conventional motor oil, however 5W-30 – Changing the oil and oil filter: synthetic may be used for optimum 6.9 US qt (6.5 liters, 5.7 Imp qt) engine performance. If you do choose to use synthetic oil, we recommend that you continue using synthetic for the life of your vehicle. or API classification SM or SN with the words “ENERGY CONSERVING” or “RESOURCE CONSERVING” ILSAC GF-4 or GF-5, which can be identified with the ILSAC certification mark (Starburst mark)