2018 Toyota Mirai Safety Report
2018 Toyota Mirai Safety Report
Safety Decision Cockpit for the 2018 Toyota Mirai
This page is the hub for deciding what to inspect next on the 2018 Toyota Mirai. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Low (0) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Low (2) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 0 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Unknown Or Other,Fuel/Propulsion System | Compare unknown or other,fuel/propulsion system issues across vehicles. |
| Cleaner nearby model year | 2020 | Compare against the 2020 Toyota Mirai with 1 complaints and 0 recalls. |
| Riskier nearby model year | 2022 | Check the 2022 Toyota Mirai before buying across this generation. |
Toyota Mirai Year-by-Year Comparison
The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Toyota Mirai years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2019 Toyota Mirai | 4 | 0 | Inspect as a potentially higher-complaint year. |
| 2017 Toyota Mirai | 4 | 0 | Inspect as a potentially higher-complaint year. |
| 2020 Toyota Mirai | 1 | 0 | Compare as a potentially cleaner alternative. |
| 2016 Toyota Mirai | 2 | 0 | Use as a comparable safety baseline. |
| 2021 Toyota Mirai | 1 | 1 | Compare as a potentially cleaner alternative. |
| 2022 Toyota Mirai | 10 | 1 | Inspect as a potentially higher-complaint year. |
2018 Toyota Mirai Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2018 Toyota Mirai, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Unknown Or Other,Fuel/Propulsion System
1 owner complaint mention this component in the current safety profile.
All Unknown Or Other,Fuel/Propulsion System issues Toyota onlyService Brakes,Forward Collision Avoidance
1 owner complaint mention this component in the current safety profile.
All Service Brakes,Forward Collision Avoidance issues Toyota onlyAI Safety Analysis for the 2018 Toyota Mirai
Reliability Score
The 2018 Toyota Mirai receives a reliability score of 87 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.
Known Issues for the 2018 Toyota Mirai
The following issues have been identified from NHTSA complaint data and owner reports for the 2018 Toyota Mirai:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Sudden Unexplained Braking The Toyota Mirai has reported instances of sudden, unexplained braking at high speeds, which can be alarming and potentially dangerous. |
Medium | Occasional | 30k-60k miles |
| Hydrogen Fuel/Propulsion System The Mirai relies on hydrogen fuel, but the system is not well-documented, and the lack of hydrogen refueling stations may limit the vehicle's usability. |
Low | Common | 30k-60k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2018 Toyota Mirai:
23% of reported issues involve the service brakes, with some instances of unexplained, sudden braking.
NHTSA Complaint Summaries for the 2018 Toyota Mirai
Below are complaint narratives filed by owners of the 2018 Toyota Mirai with the National Highway Traffic Safety Administration.
I own a 2018 Toyota Mirai in California financed through Toyota Financial. The vehicle relies on hydrogen fuel, but hydrogen stations in California are frequently unavailable or offline. Many stations are closed or out of fuel for extended periods. In addition, the price of hydrogen fuel has increased dramatically (approximately three times higher than when the vehicle was purchased). Because o...
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.
Frequently Asked Questions About the 2018 Toyota Mirai
Has the 2018 TOYOTA MIRAI been recalled?
No, the 2018 TOYOTA MIRAI has no recalls on record with NHTSA as of our latest data update.
How many complaints does the 2018 TOYOTA MIRAI have?
The 2018 TOYOTA MIRAI has 2 complaints filed with NHTSA. None of the complaints involved crashes. No injuries or deaths have been reported.
What is the safety rating for the 2018 TOYOTA MIRAI?
The 2018 TOYOTA MIRAI does not have an NHTSA safety rating on file. This can happen for newer model years, specialty vehicles, or models that have not been crash-tested.
What are the most common problems with the 2018 TOYOTA MIRAI?
The most commonly reported problems with the 2018 TOYOTA MIRAI involve unknown or other,fuel/propulsion system (1 complaints), service brakes,forward collision avoidance (1 complaints).
How many crash reports does the 2018 TOYOTA MIRAI have?
There are no crash reports associated with the 2018 TOYOTA MIRAI in the NHTSA database.
How many fire reports does the 2018 TOYOTA MIRAI have?
There are no fire reports for the 2018 TOYOTA MIRAI in the NHTSA database.
Are there any deaths reported for the 2018 TOYOTA MIRAI?
No deaths have been reported in NHTSA complaints for the 2018 TOYOTA MIRAI.
How many injuries are reported for the 2018 TOYOTA MIRAI?
No injuries have been reported in NHTSA complaints for the 2018 TOYOTA MIRAI.
Should I buy a 2018 TOYOTA MIRAI?
Based on NHTSA data, the 2018 TOYOTA MIRAI is research thoroughly before purchasing. It has 2 complaints, 0 recalls. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2018 TOYOTA MIRAI?
The components with the most failures on the 2018 TOYOTA MIRAI are: 1. UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM (1 complaints), 2. SERVICE BRAKES,FORWARD COLLISION AVOIDANCE (1 complaints). UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM is the single most-reported problem area with 1 complaints.
What should I know before buying a 2018 TOYOTA MIRAI?
Be aware of the potential for sudden unexplained braking and consider the limited availability of hydrogen refueling stations. The 2018 TOYOTA MIRAI has 2 NHTSA complaints and 0 recalls on record.
How reliable is the 2018 TOYOTA MIRAI?
The 2018 TOYOTA MIRAI receives a reliability score of 87/100, indicating above-average reliability. This is based on 2 owner complaints, 0 recalls, and 0 crash/fire reports in the NHTSA database. Key known issues include Sudden Unexplained Braking and Hydrogen Fuel/Propulsion System.
What are the known issues with the 2018 TOYOTA MIRAI?
Known issues with the 2018 TOYOTA MIRAI include: Sudden Unexplained Braking, Hydrogen Fuel/Propulsion System. These are based on patterns found across 2 NHTSA complaints.
Are there any known issues with the Toyota Mirai's braking system?
Yes, there have been reports of the vehicle suddenly braking at high speeds without any apparent cause.
How common are issues with the Mirai's hydrogen fuel system?
Issues with the hydrogen fuel system are less frequent but still occur, particularly regarding the lack of refueling stations.
What should I consider before purchasing a 2018 Toyota Mirai?
Consider the potential for sudden braking and the limited availability of hydrogen refueling stations in your area.
Buyer Advice
Our recommendation: Be aware of the potential for sudden unexplained braking and consider the limited availability of hydrogen refueling stations.
NHTSA Data Summary for 2018 Toyota Mirai
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2018 Toyota Mirai. The data includes 2 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-16