2021 Toyota Corolla Problems
What owners have reported about the 2021 Toyota Corolla, which problems come up most, at what mileage, and which recalls to check.
From NHTSA owner complaints and recalls. Updated Oct 17, 2026.
Is the 2021 Toyota Corolla a good year?
It's about average for this model. Owners have filed 186 complaints with NHTSA, the 12th most of 18 Corolla model years. The most reported problems involve the airbags, engine and electrical system.
186 complaints 1 recall 12th worst of 18 Corolla years
Top 2021 Toyota Corolla problems
Airbag problems
52 complaints (28%) name the airbags.
Engine problems
41 complaints (22%) name the engine.
Electrical problems
23 complaints (12%) name the electrical system, most often the speedometer / odometer.
Transmission problems
19 complaints (10%) name the transmission, most often the slave cylinder.
Which parts fail most
Share of complaints that name each system. One complaint can name several.
Mileage when it failed
Each dot is a complaint that gave a mileage (25 of 186). The amber line is the middle value, about 39,000 miles.
When problems were reported
Complaints by the year the problem happened.
2021 Toyota Corolla recalls
Occupant classification
A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying. An air bag that does not deploy during a crash increases the risk of injury.
Fix: Dealers will inspect and replace the sensor as necessary, free of charge.
Recall 23V865000 · Dec 2023Get an email when your 2021 Toyota Corolla gets a new recall
We check NHTSA every month. If a new recall or safety investigation covers the 2021 Toyota Corolla, you'll hear about it the same week.
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Corolla years to avoid
Total NHTSA complaints by model year. Newer years have had less time on the road, so their totals will keep climbing. See the full comparison.
Common questions
Is the 2021 Toyota Corolla a reliable year?
It's about average for this model. Owners have filed 186 complaints with NHTSA, the 12th most of 18 Corolla model years. The most reported problems involve the airbags, engine and electrical system.
What are the most common 2021 Toyota Corolla problems?
Owners most often report problems with the airbags, engine, electrical system and transmission. 52 complaints (28%) name the airbags.
At what mileage do 2021 Toyota Corolla airbags problems start?
Reported mileage ranged widely, but most complaints fell between about 7,000–90,000 miles, with a middle value near 55,000 miles.
How many recalls does the 2021 Toyota Corolla have?
1. Occupant classification (23V865000). Check your VIN at nhtsa.gov/recalls to see if the work was done.
Should I buy a used 2021 Toyota Corolla?
Ask for service records covering the airbags, confirm the recall work was done, and compare with the 2025, 2024 and 2023 models, which have the fewest complaints.
Source: NHTSA complaints and recalls databases. Complaints are unverified owner reports. Counts include each complaint once per model year.