2021 Subaru Legacy Engine cooling Problems
- Complaints
- 1about this part
- Share
- 3%of 31 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2021 Subaru Legacy, 3% of the 31 complaints for this model year. Where a mileage was given, the median is 60,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Subaru Legacy. The contact stated that while driving at various speeds during colder weather, the heater failed to operate as intended. Additionally, the Eyesight system was inoperable. The check engine and other unknown warning lights were displayed. In addition, the contact stated that the engine failed to warm up as intended after being started, and the engine temperature was 107°F, which was below the normal engine temperature of 200°F. …”
NHTSA complaint #11695854, filed 2025-10, 60,000 milesEngine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 17% |
| 2021 | 1 | 3% |
| 2016 | 1 | 1% |
| 2015 | 1 | 1% |
| 2013 | 2 | 3% |
| 2011 | 6 | 4% |
| 2010 | 4 | 3% |
| 2009 | 1 | 2% |
| 2007 | 2 | 6% |
| 2006 | 4 | 5% |
| 2005 | 29 | 16% |
| 2004 | 2 | 4% |
| 2003 | 9 | 15% |
| 2002 | 9 | 17% |
| 2001 | 11 | 14% |
| 2000 | 16 | 17% |
| 1999 | 11 | 12% |
| 1998 | 30 | 26% |
| 1997 | 31 | 22% |
| 1996 | 22 | 18% |
| 1995 | 17 | 9% |
| 1994 | 4 | 7% |
| 1993 | 17 | 22% |
| 1992 | 4 | 7% |
| 1991 | 6 | 8% |
| 1990 | 2 | 2% |
Other parts of the 2021 Subaru Legacy
7 complaintsAir bags
6 complaintsVisibility (wipers, defrost, mirrors)
6 complaintsElectrical system
5 complaintsBack-over prevention (rear camera)
2 complaintsBrakes
2 complaintsEngine
2 complaintsForward collision avoidance
2 complaintsTransmission and drivetrain
2 complaintsEquipment
1 complaintsSeat belts
1 complaintsSeats
1 complaints
← All problems reported for the 2021 Subaru Legacy
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology