Subaru WRX & WRX STI Manuals 2014 Impreza WRX & WRX STI Owner's Manual | Page 374

Specifications/Specifications

12-5

& Lubricants
NOTE
Each quantity indicated here is only a guideline. The necessary quantity for replacement may differ slightly depending on the
temperature and other factors.
! Engine oil
For checking, adding and replacing procedure, or other details, refer to “Engine oil” F11-8.
Oil grade

SAE viscosity No. and
applicable temperature
5W-30 synthetic oil is the required oil for
optimum engine performance and protection. Conventional oil may be used if
synthetic oil is unavailable.
*: 10W-30, 10W-40, 5W-30 or 5W-40
conventional oil may be used if replenishment is needed but should be changed
to 5W-30 synthetic oil at the next oil
change.

or
API (American Petroleum Institute) classification SM with
the words “ENERGY CONSERVING” or SN with the
words “RESOURCE CONSERVING”

Engine oil capacity
· When adding the oil from
L to F level:
1.1 US qt (1.0 liter, 0.9
Imp qt)
· When changing the oil
and oil filter:
- Except STI:
4.4 US qt (4.2 liters, 3.7
Imp qt)
- STI:
4.5 US qt (4.3 liters, 3.8
Imp qt)

ILSAC (International Lubricant Specification Advisory Committee) GF-4 or
GF-5, which can be identified with the
ILSAC certification mark (Starburst
mark)

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