2020 Subaru Outback 2.5L I4 Maintenance & Specs

Everything you need to maintain your 2020 Subaru Outback — oil specs, maintenance schedule, recalls, and more.

The 2020 Subaru Outback takes 0W-20 Full Synthetic with a total capacity of 5.1 quarts (filter included). You’ll need a 17mm socket for the drain plug, torqued to 44 Nm. The OEM oil filter is the Subaru 15208AA170, with 2 compatible alternatives listed below. Note: this vehicle has 6 active recalls — check the recalls section below. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.

Data last verified: April 18, 2026

OEM spec: API SP

Quick DIY Tips for the 2020 Subaru Outback

  • Torque your drain plug to 44 Nm (32 ft-lbs) to avoid leaks or stripped threads.
  • Using the OEM filter (Subaru 15208AA170) is recommended for warranty compliance.
  • Always use 0W-20 Full Synthetic as specified by Subaru — using the wrong viscosity can void your powertrain warranty.
  • Check the maintenance schedule below for your next service interval.

Oil

Viscosity
0W-20
Oil type
Full Synthetic
Capacity (with filter)
5.1 qt
Capacity (without filter)
4.6 qt
OEM notes: API SP

Drain bolt & hardware

Socket size
17 mm
Thread size
M16x1.5
Torque spec
44 Nm
Gasket type
Crush washer
Notes: 6th gen BT (2.5L FB25D H4 / 2.4L turbo)

Fluid specifications

Transmission Fluid

Buy →
Type
Subaru ATF HP
Capacity
4.2 qt
Change interval
60,000 mi

Brake Fluid

Buy →
DOT type
DOT 3
Change interval
45,000 mi

Coolant

Buy →
Type
Super Long Life
Color
Blue
Capacity
6.3 qt
Change interval
120,000 mi

Differential Fluid (rear)

Buy →
Type
75W-90 GL-5
Capacity
2.5 qt
Change interval
60,000 mi

Differential Fluid (front)

Buy →
Type
75W-85 GL-4
Capacity
1.5 qt
Change interval
60,000 mi

Differential Fluid (rear)

Buy →
Type
75W-90 GL-5
Capacity
2.5 qt
Change interval
60,000 mi

Differential Fluid (front)

Buy →
Type
75W-85 GL-4
Capacity
1.5 qt
Change interval
60,000 mi

Transfer Case Fluid

Buy →
Type
ATF Dexron III
Capacity
2 qt
Change interval
60,000 mi

Parts & specifications

Maintenance schedule

Select a mileage interval above to see scheduled maintenance items.

Towing & Payload

Max Towing Capacity

3,500 lbs

Max Payload

900 lbs

Curb Weight

3,700 lbs

GVWR

4,700 lbs

Max Tongue Weight

350 lbs

Hitch Class

II

Source: manufacturer

Estimated Current Value

Original MSRP

$30,000

Private Party Value

$11,970 – $13,230

Dealer Retail Value

$13,860 – $15,750

Trade-In Value

$10,710 – $11,970

Depreciation

58%

Estimated values assume average condition and mileage for vehicle age.

Source: estimated

Safety recalls6

Torque specifications

lug nut
89 ft-lbs / 120.7 Nm
spark plug
18 ft-lbs / 24.4 Nm

14mm thread, aluminum head

Save by doing it yourself

A shop typically charges $70–$140 for this service. Buy the parts yourself and save.

Shop Oil & Filters →

Shop Parts for the Subaru Outback

Find oil, filters, and maintenance parts for the 2020 Subaru Outback on Amazon.

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Tools & supplies

Step-by-step guide

Detailed walkthrough with tips for first-timers.

Read guide →

How often to change oil

Intervals, severe service, and what your car needs.

Read guide →

Synthetic vs. conventional

Which oil type is right for your engine and budget.

Read guide →

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Help fellow owners — submit specs from your owner's manual.

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