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What are the common problems with the 2020 Subaru Legacy?

Owners of the 2020 Subaru Legacy have filed 121 complaints with NHTSA, most often about the windshield wipers (57) and the electrical system (15). In NHTSA's complaints file of November 11, 2026, 52 of them list a mileage; a complaint is an owner's report, not a proven defect.

By VIN Lookup Research DeskPublished 2026-11-11NHTSA files 2026-11-11United States
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Most-reported problems, 2020 Legacy

NHTSA's file holds 121 owner complaints on the 2020 Subaru Legacy. Owners named the windshield wipers most often: 57 complaints, and half of the 31 that list a mileage came after 4,900 miles. A complaint can name more than one component. Of the 121 complaints, 1 reports a crash, 1 reports a fire and 1 reports an injury (1 person reported injured). These are owners' reports to NHTSA, not findings.

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Common problems with the 2020 Legacy

NHTSA's file holds 121 owner complaints on the 2020 Subaru Legacy. Owners named the windshield wipers most often: 57 complaints, and half of the 31 that list a mileage came after 4,900 miles. A complaint can name more than one component.

2020 Subaru Legacy: most-reported NHTSA component categories, with the median mileage of the complaints that list one (complaints file, November 11, 2026)
Component (NHTSA category)ComplaintsListing mileageMedian mileage
Visibility/wiper57314,918
Electrical System152Under 5 mileages
Visibility9912,000
Forward Collision Avoidance72Under 5 mileages
Power Train73Under 5 mileages

Of the 121 complaints, 1 reports a crash, 1 reports a fire and 1 reports an injury (1 person reported injured). These are owners' reports to NHTSA, not findings.

Mileage when owners reported a problem with the 2020 Legacy

The 52 mileages owners gave run from 100 to 69,738 miles. A quarter are at or under 2,300 miles, half at or under 5,800, three quarters at or under 12,000 and nine in ten at or under 24,950; none came after 100,000 miles, none after 150,000 and none after 200,000.

These mileages say when owners reported a problem, not when a 2020 Legacy wears out. NHTSA's file holds only vehicles whose owners complained; one that ran without a problem never appears in it, so it gives no lifespan and no cutoff, and how a vehicle was maintained matters more than any one odometer reading.

Most of these reports came early in the vehicle's life: all 52 came at or under 100,000 miles, so they say nothing about how many miles a 2020 Legacy can cover.

Complaint mileage also follows a model year's age: the 2020 has had less time to cover miles than older years, so its figures will rise as it ages.

2020 Subaru Legacy: mileage in the 52 NHTSA complaints that list one (complaints file, November 11, 2026)
MeasureValue
Lowest mileage listed100 miles
25th percentile2,300 miles
Median (50th percentile)5,800 miles
75th percentile12,000 miles
90th percentile24,950 miles
Highest mileage listed69,738 miles
Complaints after 100,000 milesnone
Complaints after 150,000 milesnone
Complaints after 200,000 milesnone

Every model year together: Half of the 1,415 NHTSA owner complaints on the Subaru Legacy that list mileage came after 58,000 miles (NHTSA complaints file of November 11, 2026). How many miles will a Subaru Legacy last? →

Is the 2020 Legacy a good year?

Complaint counts cannot say whether the 2020 is a good or a bad Legacy: they rise with how many were sold and how long they have been on the road. They show how the 2020 compares with the other model years in NHTSA's file.

With 121 complaints, the 2020 ranks 10th of the 35 Subaru Legacy model years from 1990 to 2024 with 10 or more complaints, counting from the most. The most: the 2005 (184). The fewest: the 2023 (10).

Recent model years have had less time to collect complaints, so their counts are still growing. No year is ranked by mileage here, because a year's median mileage mostly follows its age.

Subaru Legacy: NHTSA owner complaints by model year, 1990–2024 (complaints file, November 11, 2026)
Model yearOwner complaintsListing mileageMedian mileage
1990 Legacy812Under 10 mileages
1991 Legacy784Under 10 mileages
1992 Legacy553Under 10 mileages
1993 Legacy773Under 10 mileages
1994 Legacy6011125,000
1995 Legacy18219166,116
1996 Legacy1232390,000
1997 Legacy1392392,000
1998 Legacy11432108,000
1999 Legacy9429101,000
2000 Legacy943690,130
2001 Legacy773962,540
2002 Legacy543265,501
2003 Legacy604179,800
2004 Legacy492585,000
2005 Legacy18414074,000
2006 Legacy877496,000
2007 Legacy332060,785
2008 Legacy654676,877
2009 Legacy654470,000
2010 Legacy15110670,000
2011 Legacy16711977,000
2012 Legacy906687,000
2013 Legacy664730,000
2014 Legacy532830,000
2015 Legacy16010415,000
2016 Legacy1478135,000
2017 Legacy1196031,000
2018 Legacy1185420,000
2019 Legacy123436,125
2020 (this page)121525,800
2021 Legacy324Under 10 mileages
2022 Legacy343Under 10 mileages
2023 Legacy102Under 10 mileages
2024 Legacy170Under 10 mileages

Every Legacy year compared on NHTSA’s complaints and recalls: Subaru Legacy years to avoid →

2020 Subaru Legacy recalls

NHTSA's recall files of November 11, 2026 list 6 recall campaigns that name the 2020 Subaru Legacy. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.

2020 Subaru Legacy: the 5 most recent of 6 recall campaigns in NHTSA’s recall files (November 11, 2026)
CampaignReport receivedComponent
24V227000Mar 22, 2024AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
22V485000Jul 8, 2022POWER TRAIN:DRIVELINE:CHAIN/BELT
21V955000Dec 9, 2021POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
21V587000Jul 29, 2021FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
20V766000Dec 10, 2020BACK OVER PREVENTION:DISPLAY FUNCTION

What these figures can and cannot tell you

  • Complaints are owners’ reports to NHTSA. NHTSA publishes them without verifying them: a complaint is an allegation, not a defect finding.
  • The mileage is what the owner wrote on the complaint; NHTSA does not check it against the odometer.
  • The make, model and model year are the ones on the complaint. NHTSA records them as filed, so a few complaints sit under a model year the name was not sold in.
  • They are not a lifespan study. The file holds only vehicles whose owners reported a problem, so these figures do not say how long a typical 2020 Legacy lasts.
  • A complaint count rises with how many vehicles were sold and how long they have been on the road, so it is not a rating of the 2020 Legacy.
  • Nothing here describes one vehicle: its title brands, odometer readings, accidents and open recalls are in the records for its own VIN.
  • 69 of the 121 complaints on the 2020 Subaru Legacy give no usable mileage (blank, zero, a filler such as 999999, or over 500,000) and are left out of every mileage figure.
  • NHTSA name counted: LEGACY. NHTSA files some vehicles under several names (a series name and a trim name, for example); this page counts only this one.
  • Recall-file name matched: LEGACY.
Evidence

Primary sources behind this page

Open the underlying public source and verify that its scope matches the question you are asking.

  1. NHTSA complaints flat file (FLAT_CMPL.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  2. Complaints file field layout (CMPL.txt)National Highway Traffic Safety Administration
  3. NHTSA recalls flat file (FLAT_RCL_PRE_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  4. NHTSA recalls flat file (FLAT_RCL_POST_2010.zip), downloaded November 11, 2026National Highway Traffic Safety Administration
  5. Recalls file field layout (RCL.txt)National Highway Traffic Safety Administration
  6. NHTSA recall and complaint datasets: scope and documentationNational Highway Traffic Safety Administration
  7. Recalls Lookup by VINNational Highway Traffic Safety Administration

NHTSA’s complaints file was downloaded on November 11, 2026 (FLAT_CMPL.txt, dated 2026-11-11 10:15, 2,265,416 rows), with its recall files (FLAT_RCL_PRE_2010.txt and FLAT_RCL_POST_2010.txt, dated 2026-11-11 08:02). Each complaint is counted once, by its NHTSA number, with the model year and mileage of its first row; a model year has a page only with 10 or more complaints. The collection script and its rules are in scripts/collect-nhtsa-model-year-longtail.mjs.

Quick answers

2020 Subaru Legacy questions

What are the most common 2020 Subaru Legacy problems?

NHTSA's file holds 121 owner complaints on the 2020 Subaru Legacy. Owners named the windshield wipers most often: 57 complaints, and half of the 31 that list a mileage came after 4,900 miles. A complaint can name more than one component. Of the 121 complaints, 1 reports a crash, 1 reports a fire and 1 reports an injury (1 person reported injured). These are owners' reports to NHTSA, not findings.

At what mileage do owners report problems with the 2020 Subaru Legacy?

Of the 52 complaints on the 2020 Subaru Legacy that list mileage, the middle half came between 2,300 and 12,000 miles; none came after 100,000 miles, none after 150,000 and none after 200,000. These are mileages at a reported problem; they do not say how many miles a 2020 Legacy can cover.

Is the 2020 Subaru Legacy a good year?

Complaint counts cannot say whether the 2020 is a good or a bad Legacy: they rise with how many were sold and how long they have been on the road. They show how the 2020 compares with the other model years in NHTSA's file. With 121 complaints, the 2020 ranks 10th of the 35 Subaru Legacy model years from 1990 to 2024 with 10 or more complaints, counting from the most. The most: the 2005 (184). The fewest: the 2023 (10).

How many recalls does the 2020 Subaru Legacy have?

NHTSA's recall files of November 11, 2026 list 6 recall campaigns that name the 2020 Subaru Legacy. A campaign covers a production range, not every vehicle of the model year: check the VIN with NHTSA's free recall lookup.

How do I check a used 2020 Subaru Legacy before buying?

Take the 17-character VIN from the vehicle and compare the odometer with the readings on file for it: title transfers, inspections and auction sales record the mileage on the day. VIN Lookup (free-vin-lookup.com) sells the original ClearVIN PDF for $14.99 (3 reports for $29.99, 5 for $44.99): odometer readings, title brands and auction records on file for the VIN. Check the VIN before buying a used 2020 Subaru Legacy.