Subaru 2009 Tribeca - Manual (Page 411)

GAS STATION REFERENCE
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Fuel
Use unleaded gasoline with an octane rating of 87 AKI or
higher.
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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” section in this manual.
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Fuel capacity
16.9 US gal (64 liters, 14.1 Imp gal)
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Engine oil
Use only API classification SM with the words “ENERGY
CONSERVING ” and the ILSAC certification mark (starburst
mark) displayed on the container.
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Engine oil capacity
6.7 US qt (6.3 liters, 5.5 Imp qt)
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Cold tire pressure
Tire size P255/55R18 104H
Wheel size 18 6 8JJ
Pressure Front 33 psi (230 kPa, 2.3 kgf/cm 2 )
Rear 32 psi (220 kPa, 2.2 kgf/cm 2 )
Rear at trailer towing 32 psi (220 kPa, 2.2 kgf/cm 2 )
Temporary spare tire Size T165/80R17
Pressure 60 psi (420 kPa, 4.2 kgf/cm 2 )