2007 Subaru Impreza Owner's Manual - Page 381

& 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 or higher. ! Turbo models Use premium unleaded gasoline with an octane rating of 91 AKI or higher. If premium unleaded gasoline with an octane rating of 91 AKI is not available, regular unleaded gasoline with octane rating of 87 AKI 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 or higher. & Engine oil: Use only API classification SM with the words "ENERGY CONSERVING" and the ILSAC certification mark (starburst mark) displayed on the container. & Engine oil capacity: 4.2 US qt (4.0 liters, 3.5 Imp qt) & 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 the "Fuel" section in this manual. & Cold tire pressure: Tire size Wheel size Pressure Front Rear Temporary spare Size tire Pressure P205/55R16 89V 16 6 61/2 JJ 33 psi (230 kPa, 2.3 kgf/cm ) 32 psi (220 kPa, 2.2 kgf/cm2) T125/70 D17 60 psi (420 kPa, 4.2 kgf/cm2) 2 P205/50R17 88V 17 6 7 JJ 33 psi (230 kPa, 2.3 kgf/cm2) 32 psi (220 kPa, 2.2 kgf/cm2)