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BS (5th generation) · Mid-size wagon/crossover

2015–2019 Subaru Outback Specifications

Every maintenance specification shared across the 2015–2019 Subaru Outback: which oil and how much, battery group, factory tire sizes, wiper lengths, service intervals, and the failures recorded against this generation.

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Photo: Kevauto / CC BY-SA 4.0. Illustrative, not necessarily your model year or trim.

Quick facts

Engine oil
0W-20, 5.1 qt (base engine)
Battery
Group 35
Tire size
225/65R17 (base trim)
Wiper blades
26" / 17" / 14" rear
Key fob battery
CR1620 (2015–2016 flip-key remotes); CR2032 on later push-button-start Limited/Touring smart keys. Check which key your trim uses
Fuel tank
18.5 gal

2015–2019 Subaru Outback maintenance guides

Oil & filter

Viscosity, capacity, filter part numbers, change interval

Battery

BCI group size, cold cranking amps, AGM or flooded

Tires & wheels

Factory sizes by trim, pressures, bolt pattern, lug torque

Wiper blades

Driver, passenger and rear blade lengths

Air & cabin filters

Cabin and engine air filter part numbers, locations, intervals

Bulbs

Headlight, fog and marker bulb types

Brakes

Rotor diameters, pad references, service notes

Fluids

Transmission fluid, coolant, brake fluid and capacities

Service schedule

What's actually due at every mileage interval

Problems & reliability

Documented failures, recalls, and which years to avoid

Oil light reset

Step-by-step maintenance light reset, no tools

Key fob battery

Which coin cell the remote takes

Specs

Towing, weight, fuel tank, fuel economy

Which engines came in the 2015–2019 Subaru Outback?

EngineModel yearsTrimsOilCapacity
2.5L 4-cylinder (FB25, revised, port-injected)2015–20192.5i, Premium, Limited, Touring0W-205.1 qt
3.6L H6 (EZ36, now paired to High Torque CVT)2015–20193.6R Limited, 3.6R Touring5W-306.9 qt

Year-by-year changes

  • 2015Full redesign: all-new FB25, 3.6R moves to CVT, EyeSight driver-assist available for the first time on Outback
  • 2018Facelift: revised front/rear styling, updated Starlink infotainment, standard EyeSight on most trims
  • 2019Final year of this generation; last model year covered by the FB-engine oil-consumption settlement window

Model years in this generation

2015 Outback2016 Outback2017 Outback2018 Outback2019 Outback

Year pages cover what changed that year, the engines offered, and the problems documented against it. For the full nameplate history, see the Subaru Outback guide.

Sources