verifiedOEM-verified · Updated 2026

2020 Subaru Forester Oil Capacity

2.5L 4-Cylinder (FB25D)

Oil Capacity — With Filter

5.1
quarts
4.8 liters

Viscosity

oil_barrel0W-20
Full Synthetic
With oil filter5.1 qt (4.8 L)
Without oil filter4.8 qt
Recommended viscosity0W-20
Oil typeFull Synthetic
OEM oil filter15208AA160
Change interval6,000 mi / 9,700 km
Drain plug torque31 ft-lb (42 Nm)
verifiedSource: Subaru owner resources / manual lookup for 2020-2024 Forester, maintenance and capacities section. · Human-verified
local_gas_stationFuel Tank Capacity Research Status

We have OEM fuel tank research on file for this vehicle family, but we are not publishing a tank value for this page yet because the exact model year or configuration still needs tighter verification.

Verify each published model year or narrow the runtime year range before promotion.

How to Use This Spec

1

Drain old oil completely. Reinstall drain plug, torque to 31 ft-lb.

2

Install new oil filter (OEM: 15208AA160). Pre-lubricate the gasket with clean oil.

3

Add 5.1 quarts of 0W-20 full synthetic oil through the filler cap.

4

Run engine 30 seconds, check dipstick, top off to FULL mark if needed. Reset oil life monitor if equipped.

warningImportant Notes
  • • Always verify with your OEM owner's manual. Specifications may vary by trim level and production date.
  • • The drain plug gasket should be inspected and replaced if deformed.

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Always verify against your OEM owner's manual. Specs may vary by trim and production date.