Subaru 2013 Legacy, 2013 Outback Owner's Manual page 468

! 2.5 L models
Oil grade
API classification SM or SN with
the words
ENERGY CONSERVING or
RESOURCE CONSERVING
or
ILSAC GF-4 or GF-5, which can
be identified with the ILSAC
certification mark (Starburst
mark)
SAE viscosity No. and
applicable temperature
0W-20 synthetic oil is the required oil
for optimum engine performance and
protection. Conventional oil may be
used if synthetic oil is unavailable.
*: If 0W-20 synthetic oil is not available,
5W-30 or 5W-40 conventional oil may
be used if replenishment is needed but
should be changed to 0W-20 synthetic
oil at the next oil change.
12-5
Specifications
Engine oil capacity
Adding the oil from low level to
full level:
1.1 US qt (1.0 liter, 0.9 Imp qt)
Changing the oil and oil filter:
5.1 US qt (4.8 liters, 4.2 Imp qt)
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