--- title: "2015-2019 Subaru Outback Specs" description: "Oil, battery group, tire sizes, wipers, filters, brakes, fluids and service intervals shared across every 2015-2019 Subaru Outback, the BS (5th generation), plus what changed year to year." url: "https://whichcarparts.com/cars/subaru/outback/2015-2019" updated: "2026-08-21" --- # 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, the BS (5th generation), Mid-size wagon/crossover. ## Quick facts | Quick fact | Value | | --- | --- | | 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 [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/oil). ### Battery BCI group size, cold cranking amps, AGM or flooded [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/battery). ### Tires & wheels Factory sizes by trim, pressures, bolt pattern, lug torque [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/tires). ### Wiper blades Driver, passenger and rear blade lengths [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/wipers). ### Air & cabin filters Cabin and engine air filter part numbers, locations, intervals [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/filters). ### Bulbs Headlight, fog and marker bulb types [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/bulbs). ### Brakes Rotor diameters, pad references, service notes [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/brakes). ### Fluids Transmission fluid, coolant, brake fluid and capacities [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/fluids). ### Service schedule What's actually due at every mileage interval [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/service-schedule). ### Problems & reliability Documented failures, recalls, and which years to avoid [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/common-problems). ### Oil light reset Step-by-step maintenance light reset, no tools [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/oil-reset). ### Key fob battery Which coin cell the remote takes [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/key-fob-battery). ### Specs Towing, weight, fuel tank, fuel economy [Read more](https://whichcarparts.com/cars/subaru/outback/2015-2019/specs). ## Which engines came in the 2015-2019 Subaru Outback? | Engine | Model years | Trims | Oil | Capacity | | --- | --- | --- | --- | --- | | 2.5L 4-cylinder (FB25, revised, port-injected) | 2015-2019 | 2.5i, Premium, Limited, Touring | 0W-20 | 5.1 qt | | 3.6L H6 (EZ36, now paired to High Torque CVT) | 2015-2019 | 3.6R Limited, 3.6R Touring | 5W-30 | 6.9 qt | ## Year-by-year changes | Years | What changed | | --- | --- | | 2015 | Full redesign: all-new FB25, 3.6R moves to CVT, EyeSight driver-assist available for the first time on Outback | | 2018 | Facelift: revised front/rear styling, updated Starlink infotainment, standard EyeSight on most trims | | 2019 | Final year of this generation; last model year covered by the FB-engine oil-consumption settlement window | ## Model years in this generation - [2015 Outback](https://whichcarparts.com/cars/subaru/outback/2015) - [2016 Outback](https://whichcarparts.com/cars/subaru/outback/2016) - [2017 Outback](https://whichcarparts.com/cars/subaru/outback/2017) - [2018 Outback](https://whichcarparts.com/cars/subaru/outback/2018) - [2019 Outback](https://whichcarparts.com/cars/subaru/outback/2019) For the full nameplate history, see the [Subaru Outback guide](https://whichcarparts.com/cars/subaru/outback). ## Sources - [sportsubarusouth.com, Subaru Outback oil type by model year](https://www.sportsubarusouth.com/subaru-research/subaru-outback-oil-type/) - [AMSOIL lookup, 2019 Outback 2.5L FB25 oil spec/capacity](https://www.amsoil.com/lookup/auto-and-light-truck/2019/subaru/outback/2-5l-4-cyl-engine-code-fb25-4/1000/) - [awdadventure.com, Subaru Outback tire fitment by year (2015-2019)](https://awdadventure.com/pages/lifted-subaru-tire-size-charts) - [Rohnert Park Transmission, Subaru Outback CVT problems guide by model year](https://rohnertparktransmission.com/blog/subaru-outback-cvt-problems-guide) - [Subaru Battery Settlement, official settlement site (2015-2020 Outback coverage)](https://www.subarubatterysettlement.com/) - [Consumer Reports, 2015 Subaru Outback reliability (CVT complaint)](https://www.consumerreports.org/cars/subaru/outback/2015/reliability/) - [classaction.org, Subaru windshield settlement given preliminary approval (Khona/Powell case background)](https://www.classaction.org/news/subaru-windshield-settlement-given-preliminary-approval-reimbursements-extended-warranty-available) - [Reddit r/subaru, 2019-2020 CVT warranty extension to 10 yr/100k thread](https://www.reddit.com/r/subaru/comments/1ltsv9m/20192020_us_cvt_warranty_extension_to_10/) Specifications vary with engine option, production date, and market.