2021 Toyota Corolla: what breaks, and at what mileage
What breaks on the 2021 Toyota Corolla
On the 2021 Toyota Corolla, the failure owners report most often is other engine problem, with 28 reports on file. Across every failure mode on this year, half the dated reports were filed before 12,500 miles. Overall it scores 74 out of 100, high risk for a 2021.
High risk for a 2021 — 125th riskiest of the 231 2021 vehicles we can rate. 255 owner reports; fleet size estimated from this year's own recall paperwork.
What owners report breaking
Owners have reported 44 named failure modes on the 2021 Toyota Corolla, and the three most-reported carry 22% of everything filed, which is an unusually even spread for one model year.
Other engine problem leads with 28 reports and about 0.8 per 1,000 vehicles.
Cruise control failure follows with 15 reports.
Other electrical problem follows with 12 reports, median 130,000 miles. 1 of those report mention a fire.
By system, the reports fall mostly into engine (34), adas (29) and brakes (18).
When these failures get reported
36 of the reports on the 2021 Toyota Corolla came with an odometer reading, and half of those were filed before 12,500 miles.
Cumulatively, 61% by 50,000 miles, 81% by 100,000 miles and 92% by 150,000 miles of the dated reports had been filed, with 2 filed above the top of the chart.
The busiest stretch is between 0 and 10,000 miles, which alone holds 47% of the dated reports.
58% of the dated reports were filed below 36,000 miles, which is early enough that a fair number of these cars were still under a factory warranty when the owner complained.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
Showing the 12 most-reported failure modes of 44. The full list is in the table below.
How reports accumulate
Every report with an odometer reading, cumulative, from 0 to 200,000 miles. A further 2 reports came in above that, which is why the line stops short of the top. A curve that climbs early is a car with early problems, whatever its total.
- Line share of reports filed by that mileage
- Dashed the median reported mileage
How bad it is when it goes
Across the named modes, 23 mention a crash, 1 a fire and 10 an injury. Those are the words owners used in their own complaints, and NHTSA does not verify them, but they are the closest thing in this data to a measure of what a failure actually did.
The average severity weight across every report on this year is 4.28, where a stalled engine or a failed airbag weighs many times more than a rattling trim panel, and a figure this high means the reports are dominated by failures with safety consequences rather than annoyances. The weighting is set out in full on the methodology page.
What the top failures cost to put right, as editorial estimates for an independent US shop rather than figures from NHTSA: other engine problem at $300–$4,000, cruise control failure at $200–$1,400, other electrical problem at $250–$2,000 and parking brake failure at $250–$1,300. Dealer labour, a seized bolt or a part that is no longer made can push any of these past the top of its range.
20% of the reports on this year sit in the engine, transmission, drivetrain or cooling systems — the four where a repair bill is usually four figures.
Every reported failure mode
| Failure mode | System | Reports | With reading | 25th | Median | 75th | Per 1,000 | Typical repair | Severity |
|---|---|---|---|---|---|---|---|---|---|
| Other engine problem | engine | 28 | 3 | — | 100k | — | 0.8 | $300–$4,000 | High |
| Cruise control failure | adas | 15 | 0 | — | — | — | 0.5 | $200–$1,400 | High |
| Other electrical problem | electrical | 12 | 2 | — | 129k | — | 0.4 | $250–$2,000 | Moderate |
| Parking brake failure | brakes | 10 | 5 | — | 12k | — | 0.3 | $250–$1,300 | Moderate |
| Other visibility problem | glass | 10 | 0 | — | — | — | 0.3 | $150–$1,400 | Moderate |
| Lane keep or steering assist fault | adas | 9 | 0 | — | — | — | 0.3 | $200–$1,600 | High |
| Other body or interior problem | body | 8 | 3 | — | 98k | — | 0.2 | $200–$2,000 | Moderate |
| Seat belt or retractor failure | airbag | 7 | 0 | — | — | — | 0.2 | $200–$900 | High |
| Other powertrain problem | transmission | 6 | 0 | — | — | — | 0.2 | $400–$4,500 | High |
| Backup camera failure | infotainment | 5 | 0 | — | — | — | 0.2 | $250–$1,200 | Moderate |
| Airbag failed to deploy in a crash | airbag | 5 | 2 | — | 4k | — | 0.2 | $1,000–$5,000 | Critical |
| Overheating | cooling | 4 | 0 | — | — | — | 0.1 | $400–$3,500 | High |
| Infotainment screen failure | infotainment | 4 | 0 | — | — | — | 0.1 | $400–$2,600 | Low |
| Other brake problem | brakes | 4 | 1 | — | 800 | — | 0.1 | $300–$1,800 | High |
| Other steering problem | steering | 4 | 0 | — | — | — | 0.1 | $350–$2,400 | High |
| Other wheel or tire problem | wheels | 4 | 1 | — | 800 | — | 0.1 | $200–$1,500 | High |
| Other lighting problem | lighting | 4 | 2 | — | 58k | — | 0.1 | $120–$1,200 | Moderate |
| Stalling while driving | engine | 3 | 0 | — | — | — | 0.1 | $300–$2,500 | Critical |
| Complete transmission failure | transmission | 3 | 0 | — | — | — | 0.1 | $2,800–$8,000 | Critical |
| Wiring harness or short circuit | electrical | 3 | 0 | — | — | — | 0.1 | $400–$3,500 | High |
| ABS module or sensor failure | brakes | 3 | 0 | — | — | — | 0.1 | $500–$2,400 | High |
| Control arm, ball joint or bushing failure | suspension | 3 | 0 | — | — | — | 0.1 | $400–$2,200 | High |
| Tail light, brake light or signal failure | lighting | 3 | 0 | — | — | — | 0.1 | $100–$900 | Moderate |
| Other fuel system problem | fuel | 3 | 0 | — | — | — | 0.1 | $300–$2,200 | High |
| Other speed control problem | adas | 3 | 0 | — | — | — | 0.1 | $250–$2,000 | Critical |
| Radiator or coolant leak | cooling | 2 | 0 | — | — | — | 0.1 | $350–$1,900 | High |
| CVT failure | transmission | 2 | 0 | — | — | — | 0.1 | $3,000–$8,500 | Critical |
| Fuel pump failure | fuel | 2 | 2 | — | 120k | — | 0.1 | $600–$2,600 | High |
| Parasitic battery drain | electrical | 2 | 0 | — | — | — | 0.1 | $200–$1,200 | Moderate |
| Airbag warning light or occupant sensor fault | airbag | 2 | 0 | — | — | — | 0.1 | $300–$1,600 | High |
| Liftgate, tailgate or trunk failure | body | 2 | 0 | — | — | — | 0.1 | $250–$1,500 | Moderate |
| Headlight failure or clouding | lighting | 2 | 1 | — | 3k | — | 0.1 | $150–$1,800 | Moderate |
| Other suspension problem | suspension | 2 | 1 | — | 6k | — | 0.1 | $350–$2,000 | Moderate |
| Other driver assistance problem | adas | 2 | 1 | — | 6k | — | 0.1 | $250–$1,800 | High |
| Engine knock or bearing noise | engine | 1 | 0 | — | — | — | 0.0 | $2,500–$9,000 | High |
| Lifter, cam or cylinder-deactivation failure | engine | 1 | 1 | — | 170k | — | 0.0 | $1,800–$7,000 | High |
| Turbocharger or supercharger failure | engine | 1 | 0 | — | — | — | 0.0 | $1,500–$4,500 | High |
| Manual clutch or hydraulics failure | transmission | 1 | 0 | — | — | — | 0.0 | $900–$2,800 | Moderate |
| Audio or connectivity failure | infotainment | 1 | 0 | — | — | — | 0.0 | $150–$900 | Low |
| Instrument cluster or gauge failure | infotainment | 1 | 0 | — | — | — | 0.0 | $350–$1,400 | Moderate |
| Master cylinder or brake booster failure | brakes | 1 | 0 | — | — | — | 0.0 | $450–$2,200 | Critical |
| Loss of power steering | steering | 1 | 0 | — | — | — | 0.0 | $600–$2,800 | Critical |
| Tire blowout or tread separation | wheels | 1 | 1 | — | 53k | — | 0.0 | $200–$1,500 | Critical |
| Sunroof failure or glass breakage | body | 1 | 0 | — | — | — | 0.0 | $700–$4,500 | High |
| Unclassified problem | other | 64 | 10 | 5k | 23k | 59k | 1.9 | — | Moderate |
Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound. Repair costs are typical independent-shop ranges for the failure, not figures from these reports.
How often, against how many were built
Scaled by an estimate of how many of these cars exist, the 2021 Toyota Corolla draws about 7.7 per 1,000 vehicles, which puts it in the 88th percentile of complaint rates among 2021 vehicles we can rate.
That denominator is the weakest number on the page and it is fair to say so plainly. Rate per 1,000 uses a fleet-size estimate derived from recall paperwork for this exact model year. It is a lower bound.
The working figure is 33,330 vehicles. If the true number is twice that, every rate on this page is half what it says; the ranking against other 2021 vehicles, which is what the risk score uses, is far more robust than the rate itself.
Recalls on the 2021 model year
NHTSA has issued 1 recall campaign covering the 2021 Toyota Corolla, affecting an estimated 33,330 vehicles. A recall is a different kind of evidence from a complaint: it is the regulator and the manufacturer agreeing that something has to be fixed, and the fix is free for as long as the car exists.
The campaigns cover air bags:sensor:occupant classification. Whether the work was actually done on the car in front of you is a question only the VIN can answer, and the manufacturer or NHTSA will answer it free.
One caution about reading these together: a recall usually raises the complaint count for the same part, because owners who read about it go and file. The mileages stay informative; the counts get noisy.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
999,901 vehicles 2023-12-20- Defect
- Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
- Consequence
- An air bag that does not deploy during a crash increases the risk of injury.
- Remedy
- Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
Recall work is free at a franchised dealer regardless of the car's age. Check the VIN at nhtsa.gov/recalls before assuming it was done.
How it ranks in the 2021 field
The score at the top of the page, placed among its peers. The zones are the same thresholds the scorer applies, read out of the scorer itself, so the picture and the band word cannot disagree.
Scores are ranked within the model year, never across years, because an older car has had longer to accumulate reports.
- Left fewer and less serious reports
- Right more, or worse
- Marker this vehicle
Better and worse years of the same car
High risk for a 2021 — 125th riskiest of the 231 2021 vehicles we can rate. The comparison is always within the same model year, so an older car is never penalised for having had longer to break.
Across the 31 model years of this car that carry enough reports to score, 1997 comes out best at 62 and 2010 worst at 82, with 2021 itself at 74.
If the model year is negotiable, 1997, 2025, 2004, 2022 and 2005 score lower than 2021 by a margin worth acting on. Same body, same engines, different luck — usually a supplier change or a mid-cycle fix, which the complaint data can show but never explain.
Within the 2020–2022 generation specifically, 2022 is the strongest year at 69 and 2020 the weakest at 81.
Scores compare each year against other cars of the same model year, so a low number on an older car is a real result and not an artefact of age.
Shorter is better. Years with too few reports to score are shown without a bar rather than as a zero, because no data is not good news.
Within the 2020-2022 generation, 2022 Toyota Corolla scores best at 69 and 2020 Toyota Corolla worst at 81.
Where these figures stop being useful
255 owner reports; fleet size estimated from this year's own recall paperwork. Every count on this page is therefore a floor: it is the number of owners who went to the trouble of filing with a federal agency, which is a small and self-selected fraction of the owners who had the fault.
Of those 255 reports, 36 carried an odometer reading, so the mileages here describe 14% of the sample rather than all of it. Owners also round: readings pile up on multiples of ten thousand, which is why this site publishes "about 90,000 miles" and not "91,438".
The failure modes are assigned by software reading the owner's own words, which is accurate in bulk and wrong in individual cases. A mode with a handful of reports may contain a misfiled one.
And nothing here predicts what one car will do. These are other people's complaints, filed years apart, on cars maintained by strangers. Read the page as a map of where this model year has previously gone wrong, then have the specific car in front of you inspected.
Questions this page answers
What are the most common problems with the 2021 Toyota Corolla?
The most-reported failures are other engine problem (28 reports, median 100,000 miles), cruise control failure (15 reports) and other electrical problem (12 reports, median 130,000 miles). Counts come from owner complaints filed with NHTSA, which are voluntary, so they show what owners bothered to report rather than every fault that occurred.
Is the 2021 Toyota Corolla reliable?
It scores 74 out of 100 on our risk index, which is high — 125th riskiest of the 231 2021 vehicles we can rate. The score is a comparison against other 2021 vehicles, not a prediction about any individual car, and it is built from complaint rates, severity and how early failures appear.
Which year of the Toyota Corolla is best?
Within the 2020–2022 generation, 2022 scores best at 69 out of 100 and 2020 worst at 81. Same body, same engines, different luck.
Where this comes from. Every figure above is computed from NHTSA owner complaints and recall records for this exact make, model and year. Complaints are voluntary and self-selected, so treat counts as a floor. The methodology page writes out each formula, and the same numbers are available as JSON.
What breaks at my mileage Compare with another car
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed