2021 SUBARU LEGACY Problems
Real NHTSA owner complaints for the 2021 Subaru Legacy. This model year has 30 NHTSA complaints β top issue: Uncategorized Issues.
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This page shows the model year's reputation. The VIN tells you about the specific car β accidents, title issues, odometer rollbacks, and open recalls.
Worst 2021 Subaru Legacy Problems
Top 3 most-reported issues with average mileage at failure.
Uncategorized Issues
Airbag Malfunctions
Electrical Faults
Considering a 2021 Subaru Legacy?
This page shows the model year's reputation. The VIN tells you about this specific car β accidents, title issues, odometer fraud. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2021 Subaru Legacy. A single complaint may appear in multiple categories.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Uncategorized Issues | 7 | β | β | β | |
| Airbag Malfunctions | 6 | β | β | β | |
| Electrical Faults | 5 | β | β | β | |
| Visibility/Wiper | 5 | β | β | β | |
| Transmission / Drivetrain | 2 | β | β | β | |
| Engine Problems | 2 | β | β | β | |
| Back Over Prevention | 2 | β | β | β | |
| Brake System | 2 | β | β | β | |
| Forward Collision Avoidance: AEB | 2 | β | β | β | |
| Suspension Failures | 1 | β | β | β | |
| Seat-Related Issues | 1 | β | β | β | |
| Unintended Acceleration | 1 | β | β | β | |
| Equipment | 1 | β | β | β | |
| Seat Belt Issues | 1 | β | β | β | |
| Structural Problems | 1 | β | β | β | |
| Visibility | 1 | β | β | β |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Subaru Legacy. Type a keyword (e.g. βtransmissionβ, βstallingβ, βbrakesβ) to filter.
Showing 30 most recent complaints
See attached document for complaint.
Car intermittently will studder and not go into first gear or go into second gear dangerously having car bog down and almost stall and then it violently downshifts having car RMP Hague go very high then slip and have no power to wheels and then a few seconds later go into second β¦
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 aβ¦
CVT Transmission Failure. Failure occurred at approximately 66,706 miles on 5/16/25. The Check Engine and AT Temp lights appeared in the instrument cluster. The driving conditions when this happened were a safety concern. First, the vehicle would crawl, shutter, and almost stβ¦
Subaru has released a service bulletin regarding concerns with the Thermo Control Valve in specific vehicles. Unfortunately, individuals with vehicles bearing a rebuilt title, including myself, are required to cover expenses exceeding $2,000 out of their own pockets. Despite evidβ¦
The contact owns a 2021 Subaru Legacy. The contact received notification of NHTSA Campaign Number: 24V227000 (AIR BAGS); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repβ¦
Dear NHTSA Team, I am writing to report a recurring and distressing issue with my Subaru Legacy 2021 which I believe raises significant safety concerns. Since purchasing the vehicle, I have experienced consistent problems with the battery. Despite replacing the battery five timβ¦
A Recall was issued Mar 22, 2024 for a dangerous safety issue. AN AIR BAG That Does NOT Deploy During A Crash CAN Increase THE Risk OF Injury. Remedy Dealers Will Replace THE ODS Sensors ON THE Front Passenger Seat, Free OF Charge. Interim Letters Informing Owners OF THE Safety β¦
Subaru has failed to remedy recall on airbags.
ODS sensor recall still not fixed/remedy available, used heat for first time since i purchased the car, minor cracks in the windshield, car radio/monitors randomly go black, reverse camera wonβt work, restarts on there own after a while
Without any reason a random issue came up. Special feature components lit up on dashboard. Everything but βcheck engine lit up and the car features were disabled. Disabled items were eye sight, lane assist, ABD, electrical parking brake, hill assist, vehicle dynamics control. Witβ¦
recall not fixed yet, what happens if a car hits me & the passenger airbags donβt work? unsafe, doesnβt seem like itβs being fixed in a timely manner
The contact owns a 2021 Subaru Legacy. The contact received notification of NHTSA Campaign Number: 24V227000 (Air Bags); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a reasonβ¦
After shifting my car into reverse, I slowly started removing my foot from the brake pedal. At this time, the car started rapidly accelerating backwards so I put pressure back on the brake pedal to stop the car. When doing so, the ABS light came on my dashboard, I heard a gridinβ¦
2021 SUBARU LEGACY TOURING. CONSUMER WRITES IN REGARD TO ISSUES WITH THE REAR AUTOMATIC BRAKING SYSTEM (RAB). See attached document for complaint
The buckle stopped working without cause. Car is only a couple years old and my child attempted to buckle themselves only to find out it didn't lock after trying to buckle in. I took car to subaru dealership and was told that they had no idea why it stopped working and it was notβ¦
Three times within a 1 year period, the windshield cracked without an object hitting it. First time in July, 2021, second time in September, 2021, and third time in June, 2022. After the first time, I had the windshield replaced at my own expense. The second time, Subaru completeβ¦
spontaneous windshield crack. parked the car at night and there was nothing wrong with the windshield. Next day i go to drive and there is a seven inch crack starting mid way up the screen on the passenger side. There is no sign of an impact and the crack is very wide. I can get β¦
The car's AEB system keeps mistaking steam from the street (such as sewer covers or construction sites) for a physical object and will activate. It has stopped my car in the middle of the street two days ago (5/31/22) and I was almost rear-ended by the car behind me. The warninβ¦
The trunk does not stay open leading to sudden closing on body and head for anyone trying to use the trunk. Leading to a concussion and multiple injuries. Dealership said to place a complaint as there has not yet been a recall for this issue. There is no warning prior to this issβ¦
Source: NHTSA Complaints Database. Real owner reports for the 2021 Subaru Legacy.
Recalls for 2021 Subaru Legacy
3 campaignsNHTSA recall campaigns for the 2021 Subaru Legacy. Recalls are free to fix at any authorized dealer. Run a VIN check below to see if your specific vehicle has open recalls.
2021 Subaru Legacy β FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Subaru Legacy reliable?βΎ
Good Record. The 2021 Subaru Legacy has 30 NHTSA owner complaints, 0 crash-related, and 3 recall campaigns. The most reported issue is Uncategorized Issues (7 complaints). Source: NHTSA via VinSpector AI.
What are the most common problems with the 2021 Subaru Legacy?βΎ
#1: Uncategorized Issues (7 complaints). #2: Airbag Malfunctions (6 complaints). #3: Electrical Faults (5 complaints)
At what mileage do problems start on the 2021 Subaru Legacy?βΎ
Mileage data is not available or insufficient for this model year.
How safe is the 2021 Subaru Legacy?βΎ
The 2021 Subaru Legacy has 0 crash-related complaints and 0 fire reports out of 30 total NHTSA complaints. 1 injuries were reported. For NCAP lab crash test star ratings, visit nhtsa.gov/ratings.
Does the 2021 Subaru Legacy have any recalls?βΎ
Yes β 3 NHTSA recall campaigns affect the 2021 Subaru Legacy. The largest issue: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.
Should I buy a 2021 Subaru Legacy?βΎ
The 2021 Subaru Legacy has a relatively low complaint rate. Pay particular attention to Uncategorized Issues issues. Always run a VIN check on the specific car you're considering to check for accident history, open recalls, and title brands.
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.
Wider context: See the full Subaru Legacy reliability report with year-by-year comparison.
Check Your Specific 2021 Subaru Legacy
Real owner complaints tell you about the model. The VIN tells you about your specific car β accidents, title issues, odometer fraud. Full report just $4.99.