2015 Subaru Legacy problems & reliability
159 owner complaints filed with NHTSA for the 2015 Subaru Legacy, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
7 complaints report injuries (10 injured).
Federal crash records (FARS 2020–2023): 2015 Subaru Legacy vehicles were involved in 18 fatal crashes with 8 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Electrical System → | 37 | 23% |
| Visibility/wiper → | 36 | 23% |
| Unknown OR Other | 27 | 17% |
| Engine → | 23 | 14% |
| Power Train → | 15 | 9% |
| Fuel/propulsion System → | 14 | 9% |
| Vehicle Speed Control → | 14 | 9% |
| Service Brakes → | 12 | 8% |
| Air Bags → | 10 | 6% |
| Structure → | 10 | 6% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 17,750 miles (middle 50% between 4,100 and 49,250 miles), based on 98 complaints that included mileage.
Complaints by incident year
What owners report
“2015 Subaru Legacy 2.5i, approximately 48,000 miles. CVT transmission failed suddenly with no prior warning signs. Vehicle was exclusively dealer-serviced for its entire life. While driving, the transmission began shuddering, slipping, and making metallic grinding noises. Vehicle could barely climb a small ramp and…”
Power Train · filed Mar 10, 2026
“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 failure…”
Fuel/propulsion System · filed Feb 27, 2026
“Incident ~ 5:40 pm, Geneva NY Weather ~ 10 F, not snowing. Background. On or shortly after being started, the vehicle had exhibited prior incidents of extremely rapid engine acceleration not initiated by the operator. Most recently the day before. The incident: I was in the process of very slowly parking the vehicle…”
Service Brakes · filed Jan 31, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
Technical service bulletins
516 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2015 Subaru Legacy. The 10 most recent:
This announcement is requesting retailer staff to retain the EyeSight protective hood covers from Generation 4 EyeSight cameras.
SubaruNet Annoucement (E · Other · issued Jun 12, 2026
This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability. (This is an revised version of the orignal bulletin.)
16-156-25R · Service Bulletin/Repair Instructions · issued Jun 2, 2026
This bulletin announces the availability of reprogramming files for the Engine Control Module (ECM) for certain vehicles equipped with 3.6L engines.
02-195-26 · Service Bulletin/Repair Instructions · issued Jun 1, 2026
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
01-167-08R · Service Bulletin/Repair Instructions · issued May 18, 2026
This bulletin announces a design change made to the CVT Control Valve Body which incorporates an enhanced valve sleeve to improve durability.
16-156-25R · Service Bulletin/Repair Instructions · issued May 13, 2026
This announcement provides information on the remanufactured CVT transmission program.
SubaruNet Announcement (R · Other · issued May 4, 2026
This Service Information Bulletin was developed to provide interim guidance for vehicles exhibiting DTC B2A20.
07-240-26R · Service Bulletin/Repair Instructions · issued Apr 30, 2026
This bulletin announces the service manual correction regarding clutch master cylinder reservoir service procedures.
03-97-26 · Service Bulletin/Repair Instructions · issued Apr 24, 2026
This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
01-167-08R · Service Bulletin/Repair Instructions · issued Apr 24, 2026
This Bulletin provides the diagnostic procedures to be followed when addressing customer concerns of steering wheel/vehicle body vibration when driving at highway speeds when tire/wheel balance is suspected.
05-97-26 · Service Bulletin/Repair Instructions · issued Apr 20, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2015 Subaru Legacy has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2015 Subaru Legacy?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 17,750 miles — budget accordingly if the car is approaching that mileage.