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2015 Subaru Legacy problems: engine and transmission complaints and recalls

NO ELEVATED SIGNAL
31%
46 of 147 relevant owner complaints are about the engine, transmission or fuel system

No elevated drivetrain complaint concentration in the available NHTSA records for the 2015 Subaru Legacy. Engine, transmission and fuel system account for 31% of relevant complaints.

Better than 68% of the 1,790 model years we track (2010–2023).

Excludes 12 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 29%).

NHTSA data checked October 3, 2026

The VIN is on the listing, the driver’s door jamb, and the bottom of the windshield on the driver’s side.

Does the 2015 Subaru Legacy have engine or transmission problems?

Not as a pattern, going by owner complaints. 46 of 147 relevant complaints filed with NHTSA about the 2015 Subaru Legacy concern the engine, transmission or fuel system (31%). For comparison, the 2014 scores 29% and the 2016 scores 15%. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
46
engine, transmission, fuel
Total complaints
159
this model year
Fires reported
3
owner-reported
Recall campaigns
3
15 crashes · 10 injuries

Complaints by component

ELECTRICAL SYSTEM37 · 23%
VISIBILITY/WIPER36 · 23%
UNKNOWN OR OTHER27 · 17%
ENGINE23 · 14%
POWER TRAIN15 · 9%
FUEL/PROPULSION SYSTEM14 · 9%

The years either side

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

How the 2015 compares with other Subaru Legacy years

Of the 13 Subaru Legacy years with enough complaints to score, the 2015 is the 5th-worst on engine and transmission share (31%). The worst is the 2012 (66%), the best the 2022 (3%). By volume, the 2015 drew 159 complaints (46 drivetrain), against 53 for the 2014 and 147 for the 2016.

Subaru Legacy years to avoid and best years →

In the full report

The rest of the picture on the 2015 Subaru Legacy

  • The mileage where it happens. When owners of the 2015 Subaru Legacy said the problem showed up, and the range most of them fell in.
  • Up to 15 owner reports, with the ones about your car's own engine first.
  • What to ask the seller and what to check on the test drive, for this car.
  • Two cars side by side, if you are deciding between them.

What one owner reported

ENGINE,FUEL/PROPULSION SYSTEM,FORWARD COLLISION 02/27/2026CRASH3 INJURED
I am reporting a Sudden Unintended Deceleration event in my Subaru. The vehicle grinded to a halt without driver input. The car stopped in the left lane of a major highway. We put on our hazards and called the state police for help. They were unable to get to us in time. We were hit from the rear. The car's failu…

One of 46 drivetrain complaints. The full report shows up to 15, with quotes about the engine in the car you are looking at first.

2015 Subaru Legacy powertrain recalls

Yes. NHTSA lists 1 recall campaign on the 2015 Subaru Legacy involving the engine, transmission or fuel system, out of 3 in total. A recall is the manufacturer admitting a defect and paying to fix it; whether a specific car still has one open depends on its VIN, which the full report checks. The owner complaints above are a separate record and often point at problems that never became a recall.

power train: driveline: driveshaft15V502000 · Aug 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.

Risk: If the transmission oil leaks onto the exhaust pipe, there is a possible risk of fire.

Fix: 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.

2 other recalls on this model year (airbags, lighting, brakes and the rest)
electronic stability control (esc)16V251000 · Apr 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…
forward collision avoidance: crash imminent braking15V366000 · Jun 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,…

Source: NHTSA recall campaigns filed against this year, make and model. Checked October 3, 2026.

Checking one particular 2015 Subaru Legacy? This page is about the model year. Accidents, title brands and odometer records belong to the individual car, and that is what a vehicle history report covers.

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Questions people ask about the 2015 Subaru Legacy

Does the 2015 Subaru Legacy have engine or transmission problems?

Not as a pattern, going by owner complaints. 46 of 147 relevant complaints filed with NHTSA about the 2015 Subaru Legacy concern the engine, transmission or fuel system (31%). It describes the model year, not any one car, so an inspection still matters.

What is the most common problem with the 2015 Subaru Legacy?

Going by NHTSA owner complaints, the most common problem filed against the 2015 Subaru Legacy is electrical system: 37 of 159 complaints (23%) name it, followed by visibility/wiper (36) and engine (23). A complaint can name more than one component, so these overlap. Engine, transmission and fuel-system complaints together make up 31% of the relevant total.

Is the 2015 Subaru Legacy reliable?

On the engine and transmission, nothing stands out: 31% of relevant complaints filed with NHTSA concern the drivetrain, below the 33% line where we call a signal elevated. That is better than 68% of the 1,790 model years we track. Among the 13 Subaru Legacy years we score, it ranks 5th-worst. Complaint data describes the model year, not one car, and it says nothing about trim, paint or electronics outside the drivetrain; an independent inspection still decides it.

Are there engine or transmission recalls on the 2015 Subaru Legacy?

Yes. NHTSA lists 1 recall campaign on the 2015 Subaru Legacy involving the engine, transmission or fuel system, out of 3 in total: 15V502000 (power train: driveline: driveshaft). Whether a specific car still has one open depends on its VIN.

Which Subaru Legacy years are better?

Among the Subaru Legacy years we track, the 2022 (3%), the 2019 (9%) and the 2020 (9%) have a lower engine and transmission complaint share than the 2015 (31%). Manufacturers fix things mid-generation, so the year before or after can be a different car. Every year side by side: https://thelanecheck.com/cars/subaru-legacy

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle.