Subaru Outback Manuals 2012 Outback Owner's Manual | Page 475

& Fuel: GAS STATION REFERENCE & Engine oil: ! Non-turbo models Use only unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. Use only the following oils. . API classification SM or SN with the words “ENERGY CONSERVING” or “RESOURCE CONSERVING” . or ILSAC GF-4 or GF-5, which can be identified with the ILSAC certification mark (Starburst mark) ! Turbo models Use premium unleaded gasoline with an octane rating of 93 AKI (98 RON) or higher. For the complete viscosity requirements, refer to “Engine oil” F12-4. If 93 AKI (98 RON) fuel is not readily available in your area, refer to “Fuel requirements” F7-2. & Engine oil capacity: & Fuel octane rating This octane rating is the average of the Research Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Refer to “Fuel” F7-2. & Fuel capacity: 18.5 US gal (70 liters, 15.4 Imp gal) 2.5 L non-turbo models: 4.4 US qt (4.2 liters, 3.7 Imp qt) 2.5 L turbo models: 4.5 US qt (4.3 liters, 3.8 Imp qt) 3.6 L models: 6.9 US qt (6.5 liters, 5.7 Imp qt) The indicated oil quantity is only a guideline and is estimated based on a case when the engine oil is changed with an oil filter. After refilling the engine with oil, the oil level should be checked using an oil level gauge. For more details about maintenance and service, refer to “Engine oil” F11-12. & Cold tire pressure: Refer to “Tires” F12-9.