2005 Subaru Legacy Owner's Manual - Page 627

GAS STATION REFERENCE Fuel: ! 2.5-liter non-turbo models Use only unleaded gasoline with an octane rating of 87 AKI or higher. ! 2.5-liter turbo models and 3.0-liter models Use premium unleaded gasoline with an octane rating of 91 AKI or higher. For temporary purposes if premium unleaded gasoline is not available, you may use regular unleaded gasoline with an octane rating of 87 AKI or higher. For optimum engine performance and driveability, it is required (for 2.5-liter turbo models), and recommended (for 3.0-liter models) that you use premium grade unleaded gasoline. Octane and Motor Octane numbers and is commonly referred to as the Anti Knock Index (AKI). Refer to "Fuel" section in this manual. Fuel capacity: 16.9 US gal (64 liters, 14.1 Imp gal) Engine oil: Use only API classification SL with the words "ENERGY CONSERVING" and the New API certification mark (starburst mark) displayed on the container. Engine oil capacity: 2.5-liter models: 4.2 US qt (4.0 liters, 3.5 Imp qt) 3.0-liter models: 5.8 US qt (5.5 liters, 4.8 Imp qt) ! Fuel octane rating This octane rating is the average of the Research Cold tire pressure: Tire size Wheel size Pressure Front P205/55R16 89H 215/45ZR17 P225/60R16 97H P225/55R17 95V 16 x 6.5JJ 17 x 7JJ 16 x 6.5JJ 17 x 7JJ 32 psi 35 psi 32 psi (220 kPa, 2.2 kgf/cm2) (220 kPa, 2.2 kgf/cm2) (240 kPa, 2.4 kgf/cm2) Rear 30 psi 33 psi 30 psi (210 kPa, 2.1 kgf/cm2) (210 kPa, 2.1 kgf/cm2) (230 kPa, 2.3 kgf/cm2) Rear at trail- 32 psi (220 kPa, 2.2 kgf/cm2) er towing Temporary Size T135/80D16 T135/70D17 T155/70D17 spare tire Pressure 60 psi (420 kPa, 4.2 kgf/cm2)