Subaru 2004 Forester X - Manual (Page 439)

GAS STATION REFERENCE
Fuel:
2.5 Liter models
Use only unleaded gasoline with an octane rat-
ing of 87 AKI or higher.
2.5 Liter (Turbo) models
Use premium unleaded gasoline with an oc-
tane rating of 91 AKI or higher. If premium un-
leaded gasoline is not available, regular un-
leaded gasoline with octane rating of 87 AKI or
higher may be temporarily used. For optimum
engine performance and driveability, it is rec-
ommended that you use premium grade un-
leaded gasoline.
Fuel octane rating
This octane rating is the average of the Re-
search Octane and Motor numbers and is com-
monly referred to as the Anti Knock Index
(AKI). Refer to “Fuel” section in this manual.
Fuel capacity:
15.9 US gal (60 liters, 13.2 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 (ILSAC GF-3).
Engine oil capacity:
4.2 US qt (4.0 liters, 3.5 Imp qt)
Cold tire pressure:
See the label located under the driver’s door
latch.