Vehicle Data Hub

2021 Subaru Legacy problems

Owners have filed 43 complaints with NHTSA about the 2021 Subaru Legacy. Air bags is the most reported problem area, at 14% of complaints. After that come wipers, windshield & visibility (14%) and electrical system (12%).

At a glance

Complaints
43 filed with NHTSA
Most reported
Air bags 14% of complaints
Crashes and fires
0 and 0
Injuries and deaths
2 and 0

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Air bags 14%
  • Wipers, windshield & visibility 14%
  • Electrical system 12%
  • Forward collision avoidance 9%
  • Engine 7%
  • Backover prevention 5%
  • Brakes 5%
  • Drivetrain & axles 5%
  • Cruise control 2%
  • Seat belts 2%

What the data shows

Safety-related details: 2 injuries reported. Its complaints are less severe on average than those of 81% of model years in our database.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2021 ranks 21st most-complained-about out of 34 model years of the Subaru Legacy with enough data (43 complaints in that window). It is also covered by 3 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

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 issue occurring.

March 2022 Injury

On january 7, 2020 at approximately 8am, I was driving my car which had been warmed up and driving for approximately 15-20 minutes when my windshield spontaneously cracked on the drivers side about 8 inches off center. There was no vehicle in front of me at the time and no visible or audible debris that could have struck the windshield. The crack was about 8 inches long and ran vertically up the windshield.

Reported at 5,300 miles, January 2021

The contact owns a 2021 Subaru Legacy. The contact stated that while his wife was reversing out of the garage, the rearview camera froze. There was no warning light illuminated. The contact’s wife was able to reset the rearview camera with the assistance of his daughter who looked up the information on the internet. The vehicle was taken to the dealer who diagnosed that no issues were found. The contact stated that the failure reoccurred several times while driving.

Reported at 5,000 miles, January 2021

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.

Reported at 60,000 miles, October 2025

Other model years of the Legacy

Best and worst years for the Subaru Legacy