2015 Subaru WRX STI problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
3 owner complaints analyzed
0 distinct recall campaigns
34,615 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine is the most frequently named component, appearing in 2 of 3 complaints (66.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Transmission and shifting | 1 | 33.3% |
| Engine operation | 1 | 33.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 2 |
| Fuel System, Gasoline | 1 |
| Structure:Body | 1 |
Engine: 2; Fuel System, Gasoline: 1; Structure:Body: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 2; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (2). 0 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
2017: 2; 2018: 1
Pattern summary
Engine leads the component reports. Transmission and shifting appears in 1 complaint narratives. Engine operation appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11014520 · 2017-08-10 (August 10, 2017)
SUBARU IS DENYING ME WARRANTY WORKS OF MY ENGINE'S PISTON RINGLAND FAILURE THAT HAPPENED WITHIN THE 60,000 MILES POWERTRAIN WARRANTY AND BLAMING IT ON MODIFICATIONS. THE ONLY MODIFICATIONS THAT I HAVE ON THE CAR ARE THE FOLLOWING: -TOMEI CATBACK EXHAUST SYSTEM -BEATRUSH MOTOR MOUNTS -BEATRUSH TRANSMISSION MOUNT -BEATRUSH PITCHSTOP MOUNT. -CSF RADIATOR -IAG AIR OIL SEPARATOR NONE OF THE ABOVE MODIFICATIONS CHANGE THE SOFTWARE OF THE CAR OR CAN HAVE ANY AFFECT ON THE PISTONS TO CAUSE FAILURE. MOST OF THESE MODIFICATIONS HAVE BEEN ON MY…
Owner-reported narrative. 34,615 miles reported. Look up ODI 11014520 at NHTSA ↗
Owner report 11151074 · 2018-11-12 (November 12, 2018)
DRIVING DOWN THE ROAD AT APPROX 30MPH, HEARD A NOISE, CAR STALLED AND WOULD NOT START BACK UP, BROUGHT TO SUBARU DEALER WHERE I WAS TOLD IT WAS NOT UNDER WARRANTY DUE TO LACK OF OIL, GOT THE CAR BACK WITH THE ENGINE IN PIECES, FOUND THE PISTON OUT OF CYLINDER 2 AND PARTS OF THE RING LANDS WERE CRACKED OR MISSING. SUBARU REFUSED TO TAKE ACCOUNTABILITY FOR AN ISSUE WITH AN ENGINE COMPONENT BLAMING ME FOR NOT CHECKING THE OIL EVERY FILL UP WHEN I HAD THE OIL CHANGED EVERY 3000 MILES AND CHECKED IT ON A WEEKLY/BIWEEKLY BASIS.
Owner-reported narrative. 42,000 miles reported. Look up ODI 11151074 at NHTSA ↗