Subaru 2007 Tribeca - Manual (Page 401)

GAS STATION REFERENCE
„ Fuel
Use unleaded gasoline with an octane rating of 91 AKI or higher.
Regular unleaded gasoline with an octane rating of 87 AKI or high-
er may be used. However for optimum engine performance and
driveability, it is recommended that you use 91 AKI or higher grade
unleaded gasoline. You may experience reduced output, poor ac-
celerator response, and reduced fuel economy when using gaso-
line with an octane rating lower than 91 AKI, depending on your
driving habits and conditions. If you experience any of these con-
ditions while using a lower octane rated fuel, you may want to re-
turn to using 91 AKI octane rated fuel as soon as possible. Addi-
tionally, if your vehicle knocks heavily or persistently, or if you are
driving with heavy loads such as when towing a trailer, the use of
91 AKI or higher grade unleaded gasoline is required.
„ 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
5.8 US qt (5.5 liters, 4.8 Imp qt)
„ Cold tire pressure
Tire size P255/55R18 104H
Wheel size 18 × 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 )
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