2011 Subaru Forester Owner's Manual - Page 446

& Fuel: GAS STATION REFERENCE & Fuel capacity: 16.9 US gal (64 liters, 14.1 Imp gal) ! Non-turbo models Use only unleaded gasoline with an octane rating of 87 AKI (90 RON) or higher. ! Turbo models Use premium unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. If premium unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, regular unleaded gasoline with octane rating of 87 AKI (90 RON) or higher may be temporarily used. For optimum engine performance and driveability, it is required that you use premium grade unleaded gasoline with an octane rating of 91 AKI (95 RON) or higher. & Engine oil: Use SUBARU approved motor oil or equivalent. For the details, refer to "Engine oil" F12-5. & Engine oil capacity: Non-turbo models: 5.5 US qt (5.2 liters, 4.6 Imp qt) Turbo models: 4.4 US qt (4.2 liters, 3.7 Imp qt) & Cold tire pressure: Refer to "Tires" F12-10. & 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 octane rating" F7-2.