Owners have filed 29 complaints on the Toyota Mirai, covering 2016–2023. The system named most often is Fuel/propulsion System (6 reports). Worst years by volume: 2022, 2023, 2019; cleanest: 2020, 2021, 2016. 4 reports describe a crash, 1 a death. On average the car was 2.8 years old when the problem happened.
What breaks on Toyota Mirai
Grouped by the system owners named — percentages are shares of all 29 Mirai complaints. Open any row for the full reports in owners' own words.
Fuel/propulsion System 6 Read
While driving in traffic, my 2023 Toyota Mirai suffered a sudden and total loss of motive power. The vehicle became completely unresponsive while in 'Drive', presenting a severe safety hazard. The dashboard displayed multiple cascading warnings, including 'FCV System Malfunction', 'Pre-Collision System Malfunction',…
The vehicle has an advertised driving range by Toyota of 402 miles , depending on that information as true I attempted a trip about that range . During this trip and all other driving times I have never got more then 260 miles of range
Wrong infrastructure was presented to me for the following six years of purchasing the vehicle as the fueling station is always down and malfunctioning which means I cannot drive the car and when I called and spoke to a Mirai agent by the name of [XXX] to request a rental to go to work today on August 16th 2023 he…
Vehicle Speed Control 5 Read
I was backing up my car very slowly from my friend's drive way to center of street, all the sudently the car lost control, keep backing up with very fast speed 360 degree to hit neighber's front yard wall and concrete street light. Back of my car smasshed and total lost
See attached document for complaint
See attached document for complaint
Electrical System 3 Read
The contact owns a 2022 Toyota Mirai. The contact stated that while driving approximately 60 MPH, the vehicle started losing motive power. The accelerator pedal was depressed, and the vehicle continued to decelerate. The contact stated that while driving approximately 15-20 MPH, several warning lights were…
1) Electrical display goes off on its own. While car in motion and driving,Distract me while I’m driving. 2) car does not start. AAA came to jumpstart, but no luck main battery under the car not responding defective battery. 3) fuel system not working properly cannot fill up the car all the way with hydrogen, it’s…
The battery constantly fails and the hydrogen system will suddenly shutoff bringing the vehicle to an abrupt stop while driving or in traffic. The steering and braking system stops working when this happens
Forward Collision Avoidance 2 Read
- Emergency braking system did not function, nor was there any displayed on the dashboard (as it usually does) on 2022 Mirai with about 17500 miles and under 18 months since purchase - Vehicle is available for inspection - Car resulted in an accident - my car hit the car in front (rear ended the front car) -…
I hope this letter finds you well. I am writing to express my deep disappointment and frustration regarding the malfunction of the Teammate Advanced Drive package in my recent purchase of a 2022 Mirai Limited edition, with the Vehicle Identification Number (VIN): [XXX]. The faulty performance of the system resulted in…
Power Train 2 Read
Summary of Issue: I am the owner of a Toyota Mirai that suffered a sudden loss of power due to contaminated hydrogen fuel. The incident rendered the vehicle undrivable and raised serious safety concerns, as loss of propulsion in a fuel-cell vehicle can occur without warning while in motion. The vehicle was taken to…
On January 26, 2026, at approximately 6:50 AM, I experienced a serious safety-related malfunction in my 2023 Toyota Mirai while entering traffic on Inglewood Avenue in Lawndale, California. I was pulling out of a parking lot into active traffic at low speed. At the moment I was entering the roadway, the vehicle…
Air Bags 2 Read
On August 1, 2022, I had only owned the vehicle for a few days, purchased July 28, 2022. Idiot dash lights came on. On the dash display it told me to take it vehicle back to the dealership, Tustin, Toyota, 36 Auto Circle, Tustin, CA 92680 [XXX], Service advisor claimed there was nothing wrong, lights come on when it…
Purchased this vehicle on 7/30/2022 from Tustin Toyota, 36 Auto Center Drive, Tustin, CA 92782. I also purchased an extended warranty to cover all future repairs for an additional $2,995 call 'extra care'. I had some warning lights come on after only driving the vehicle for a few days. I brought spent for hours…
Service Brakes 2 Read
On several occasions the Toyota Mirai would slam on the brakes on its own while at a considerable speed with no other cars around. It was very scary and concerning traveling at high speeds and the brakes being applied abruptly automatically
The automatic braking system will lock up when there is nothing in front of the car. It will not give a warning like it supposed to. I have gotten whiplash and I’ve hurt my back several times due to this incident. It has also caused major anxiety when driving the car. It’s almost caused an accident several times. The…
Back Over Prevention 1 Read
What component or system failed or malfunctioned, and is it available for inspection upon request? Car suppposed to stop itself as it has all sensors. Still car rear ended other car. How was your safety or the safety of others put at risk? Jeopardy. Since accident occured in residential area my family was okay. What…
Mirai years to avoid — and the clean ones
Complaints per model year. More reports usually means more cars on the road as well as more trouble, so read the crash and fire columns alongside the count.
| Model year | Complaints | Top system | Crashes | Fires |
|---|---|---|---|---|
| 2023 | Fuel/propulsion System | — | — | |
| 2022 | Back Over Prevention,forward Collision Avoidance | 2 | — | |
| 2021 | Fuel/propulsion System | — | — | |
| 2020 | Vehicle Speed Control | 1 | — | |
| 2019 | Air Bags | 1 | — | |
| 2018 | Service Brakes,forward Collision Avoidance | — | — | |
| 2017 | Fuel/propulsion System | — | — | |
| 2016 | Fuel/propulsion System | — | — |
The same model year, different builds
Every complaint carries the first 11 characters of the VIN — plant, year, body and engine. That is a production series, and complaints are spread across them very unevenly.
| Measure | Value |
|---|---|
| Distinct production series | 20 |
| Average complaints per series | 1.5 |
| Worst single series | 3 complaints |
| Average age at failure | 2.8 years |
A model average of 1.5 hides a worst series at 3. Enter a VIN above to see the numbers for that exact build instead of the model as a whole.
Owners reported these. Find out if yours is one of them.
- Complaints matched to the exact production run, not just the model
- What the car is worth given what tends to fail on it
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How we count
Every figure here comes from complaints owners filed with NHTSA — 1,100,006 of them, covering 1,982 models built between 1981 and 2026.
A complaint is an unverified report: someone wrote down what happened to their car. It is not a confirmed defect and not a recall. What makes the volume useful is the pattern — when thousands of owners of the same build describe the same failure, that is a signal no marketing brochure will give you.
Two things we do that the source does not. First, we compute the age of the car at the moment of failure from the incident date and the model year. Second, we group complaints by the first 11 characters of the VIN — the production series — so a bad plant run does not disappear into a model-wide average.
Frequently asked questions
What are the worst years for the Mirai?
By complaint volume, 2022, 2023, 2019 drew the most owner reports. Bear in mind that popular years put more cars on the road, so check the crash and fire columns too.
Which Mirai years are the cleanest?
2020, 2021, 2016 have the fewest complaints on file. For recent years that can simply mean the cars are young.
How many complaints does the Toyota Mirai have?
29 owner complaints filed with NHTSA, covering 2016–2023. Of those, 4 describe a crash and 0 a fire.
Are these complaints verified?
No. They are unverified reports from owners. NHTSA publishes them as filed and investigates only a fraction. The value is in the pattern, not in any single report.
Can I check complaints for one specific car?
Yes — enter its VIN above. We match the first 11 characters, which identify the plant, year, body and engine, so you get complaints on that exact production series rather than the whole model.