Subaru Impreza Manuals 2017 Impreza Owner's Manual | Page 474

& Fuel: GAS STATION REFERENCE & Engine oil: Use only unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. & Fuel octane rating: ! RON This octane rating is the Research Octane Number. ! AKI 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). & Fuel capacity: 13.2 US gal (50 liters, 11.0 Imp gal) Use only the following oils. . API classification SN with the words “RESOURCE CON- SERVING” . or ILSAC GF-5, which can be identified with the ILSAC certification mark (Starburst mark) For the complete viscosity requirements, refer to “Engine oil” F12-4. & Engine oil capacity: 4.7 US qt (4.4 liters, 3.9 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 the oil level gauge. For more details about maintenance and service, refer to “Engine oil” F11-8. & Cold tire pressure: Refer to “Tires” F12-8.