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ProblemsByVin File / 2021-SUBARU-LEGACY
2021 · subaru

subaru Legacy problems

1 safety recall. 30 owner complaints. We mapped every trouble spot before you sign the papers.

0 5 10
Reliability score
8.2 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate

Top trouble spots 3 categories with 3+ complaints

visibility
6 reports · avg $350
moderate
airbags
4 reports · avg $1,100
moderate
electrical
4 reports · avg $850
moderate

What owners are saying recent NHTSA-filed complaints · verbatim

2021 Legacy · other
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…
12/28/2024 · NHTSA ODI #11632889.0
2021 Legacy · visibility
The component that failed is the windshield. The windshield has a 14 inch stress crack. The crack suddenly appeared, there was no impact. The crack interferes with the Subaru Eyesight Driver Assistance. The Subaru Eyesight Driver Assistance could malfunction while driving. The…
12/10/2021 · NHTSA ODI #11443359.0
2021 Legacy · airbags
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…
11/29/2024 · NHTSA ODI #11627940.0
2021 Legacy · powertrain
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…
11/21/2025 · NHTSA ODI #11700919.0

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

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At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 1 of 1

severe NHTSA 22V485000 08/07/2022

Subaru of America, Inc

An improperly secured drive chain may slip and break, causing a loss of drive power and increasing the risk of a crash.

Fix: Dealers will reprogram the TCU, inspect TCU data for chain slip, and visually inspect the chain guide. If evidence of chain slippage or damage is found, the transmission will be replaced. Repairs will be performed free of charge. Owner notification letters are expected to be mailed August 24, 2022. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRK-22. This recall is an expansion of previous recall number 21V-955.

Common questions

Is the 2021 Subaru Legacy reliable?

Mostly yes. With a reliability score of 8.2 out of 10 based on 30 owner complaints filed with NHTSA, the 2021 Subaru Legacy is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

What's the most common problem on the 2021 Subaru Legacy?

Based on NHTSA records, the most-reported issue is visibility, with 6 complaints filed. Average repair cost runs about $350 at an independent shop.

What's the most expensive thing that goes wrong?

The visibility is one of the costlier repair items. Average repair cost runs about $350 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Subaru Legacy has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Subaru Legacy?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 30 complaints on file and the costliest repair averaging $350, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.

Related vehicles

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 19 hours ago. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with subaru. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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