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2015 Subaru Legacy maintenance schedule

The 2015 Legacy is part of the BN/BS generation (2015-2019), sold as a sedan. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2015 Legacy needs, and when

5 of these 9 items come from Subaru's own published schedule. Manufacturer rows link to Subaru's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter6,000 mi / 6 monthsManufacturer
Engine air filter30,000 mi / 30 monthsIndependent
Cabin air filter15,000 mi / 15 monthsIndependent
Brake fluid30,000 mi / 30 monthsManufacturer
Engine coolant137,500 mi / 11 yearsManufacturer
Transmission fluidInspect, replace as neededManufacturer
Spark plugs60,000 mi / 5 yearsManufacturer
Serpentine belt

Inspect drive belt

Inspect, replace as neededIndependent
12V battery

Inspect for parasitic drain.

Inspect, replace as neededIndependent

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Powertrains in this generation

  • CVT, AWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2015 Legacy owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

12V Battery Drain

medium severity

From about 52,250 mi · $37-$179 to fix

Battery goes dead repeatedly due to parasitic draw

Source: repairpal.com

Engine Hesitation

medium severity

From about 45,000 mi · $61-$179 to fix

Misfiring on cylinders 2 and 4, loss of power

Source: repairpal.com

Safety recalls

3 NHTSA recalls for the 2015 Subaru Legacy

From NHTSA's recall database, matched by model and year. Recall repairs are free at Subaru dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Electronic stability control (ESC)

NHTSA 16V251000

April 2016

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy and Outback vehicles manufactured on July 20, 2015. The brake fluid used in these vehicles may contain excess moisture which may adversely affect the performance of the electronic stability control system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control Systems."

Remedy: Subaru will notify owners, and dealers will perform an ABS activation, then flush and replace the brake fluid, free of charge. The recall began on May 20, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTC-64.

Power train

NHTSA 15V502000

August 2015

Subaru of America, Inc. (Subaru) is recalling certain 2015 and 2016 model year Subaru Legacy 4-Door and Outback vehicles manufactured July 3, 2015, to July 27, 2015. Transmission oil may leak from a deformed seal cap on the propeller shaft yoke.

Remedy: Subaru will notify owners, and dealers will replace the propeller shaft, free of charge. The recall began on August 28, 2015. Owners may contact 1-800-782-2783. Subaru's number for this recall is WQU-56.

Forward collision avoidance

NHTSA 15V366000

June 2015

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy vehicles manufactured March 10, 2014, to April 16, 2015, Outback vehicles manufactured February 24, 2014, to April 16, 2015, Impreza vehicles manufactured September 9, 2014, to April 14, 2015, XV Crosstrek vehicles manufactured October 16, 2014, to April 15, 2015, and 2016 WRX vehicles manufactured March 23, 2015, and equipped with the Eyesight Driver Assist System. If the switch that activates the brake lights fails, the automatic pre-collision braking component of the driver assist system will not function.

Remedy: Subaru will notify owners, and dealers will reprogram the driver assist system, free of charge. The recall began on July 20, 2015. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQS-54.

Running costs

What maintenance typically costs

A typical year of maintenance
$521

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other Legacy model years

BW/BT (2020-2026)

2020202120222023202420252026

BN/BS (2015-2019)

20152016201720182019

BM/BR (2014-2014)

2014

Shopping new? The Subaru Legacy guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-21. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Legacy for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2015 Legacy earns before you buy it.

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