verifiedOEM-verified · Updated 2026

2020 Subaru Outback 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 Outback, maintenance and capacities section. · Human-verified

Fuel Tank Capacity

18.5 gal (70 L)

verifiedOEM source
Capacity18.5 gal (70 L)

Verified for model year: 2020

Source: 2020 Outback Getting Started Guide

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.