2015 Subaru Legacy fuel/propulsion system problems
14 owner complaints filed with NHTSA name the fuel/propulsion system on the 2015 Subaru Legacy — 9% of all complaints for this model year.
What owners report
“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…”
filed Feb 27, 2026
“2015 Subaru Legacy 2.5 engine. Fuel gauge is inaccurate. My daughter was on the highway when it ran out of fuel. Had car towed to a independent shop. They said that the fuel gauges is a problem for Subaru 's and that they had seen it before on other Subaru's.”
filed Sep 10, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Legacy years
| Year | Reports | Share |
|---|---|---|
| 2020 Legacy | 1 | 1% |
| 2019 Legacy | 4 | 3% |
| 2018 Legacy | 8 | 7% |
| 2017 Legacy | 4 | 3% |
| 2016 Legacy | 3 | 2% |
| 2014 Legacy | 1 | 2% |
| 2013 Legacy | 1 | 2% |
| 2012 Legacy | 1 | 1% |
| 2011 Legacy | 4 | 2% |
| 2010 Legacy | 4 | 3% |
| 2009 Legacy | 1 | 2% |
| 2008 Legacy | 2 | 3% |
Other reported problem areas on the 2015 Subaru Legacy
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.