Subaru Impreza Manuals 2017 Impreza Owner's Manual | Page 429

Specifications/Specifications 12-5 ! Alternative engine oil If the SUBARU approved oil is unavailable, the following alternative oil can be used. NOTE Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the temperature and other factors. Oil grade SAE viscosity No. and applicable temperature – 0W-20 synthetic oil is the required oil for optimum engine performance and protection. Conventional oil may be – used if synthetic oil is unavailable. Engine oil capacity Adding the oil from low level to full level: 1.1 US qt (1.0 liter, 0.9 Imp qt) Changing the oil and oil filter: 4.7 US qt (4.4 liters, 3.9 Imp qt) *: If 0W-20 synthetic oil is not available, 5W-30 conventional oil may be used if replenishment is needed but should be changed to 0W-20 synthetic oil at the next oil change. or API (American Petroleum Insti- tute) classification SN with the words “RESOURCE CONSER- VING” ILSAC (International Lubricant Specification Advisory Commit- tee) GF-5, which can be identi- fied with the ILSAC certification mark (Starburst mark) – CONTINUED –