Subaru 2006 Legacy - Manual (Page 425)

GAS STATION REFERENCE
Fuel:
T 2.5-liter non-turbo models
Use only unleaded gasoline with an octane rating of 87 AKI or
higher.
T 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 oc-
tane rating of 87 AKI or higher. For optimum engine performance
and driveability, it is required (for 2.5-liter turbo models), and rec-
ommended (for 3.0-liter models) that you use premium grade un-
leaded gasoline.
„ Fuel octane rating
This octane rating is the average of the Research Octane and Mo-
tor 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 SM with the words “ENERGY CON-
SERVING” and the ILSAC certification mark (starburst mark) dis-
played 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)
Cold tire pressure:
Tire size P205/50R17 88V 215/45ZR17 P225/55R17 95V
Wheel size 17 x 7 JJ
Pressure Front 33 psi (230 kPa, 2.3 kgf/cm 2 ) 35 psi (240 kPa, 2.4 kgf/cm 2 ) 32 psi (220 kPa, 2.2 kgf/cm 2 )
Rear 32 psi (220 kPa, 2.2 kgf/cm 2 ) 33 psi (230 kPa, 2.3 kgf/cm 2 ) 30 psi (210 kPa, 2.1 kgf/cm 2 )
Rear at trailer
towing – 32 psi (220 kPa, 2.2 kgf/cm 2 )
Temporary
spare tire Size T135/80R16 T135/70D17 T155/70D17
Pressure 60 psi (420 kPa, 4.2 kgf/cm 2 )