The 2018TOYOTAMIRAI carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort.
Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities.
For crash performance, NHTSA's New Car Assessment Program gave this cohort an overall Not Rated/5 rating, with Not Rated/5 front crash, Not Rated/5 side crash, and Not Rated/5 rollover scores derived from standardized barrier and dynamic tests.
The most frequently selected component label in reports for the 2018 MIRAI is service brakes with 1 filings, followed by forward collision avoidance: automatic emergency braking (1).
Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 51 investigation files overlapping the 2018 MIRAI, and 1 remain open.
Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Total Complaints
2 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
NHTSA NCAP overall: Not Rated/5 - Not rated
· Front: Not Rated/5
· Side: Not Rated/5
· Rollover: Not Rated/5
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.
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.
How many complaints does the 2018 TOYOTA MIRAI have?▼
The 2018 TOYOTA MIRAI has 2 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What is the safety rating for the 2018 TOYOTA MIRAI?▼
The 2018 TOYOTA MIRAI received an overall NHTSA safety rating of Not Rated/5, front crash rating of Not Rated/5, side crash rating of Not Rated/5, and rollover rating of Not Rated/5.
What are the most common problems with the 2018 TOYOTA MIRAI?▼
The most-complained component for the 2018 TOYOTA MIRAI is SERVICE BRAKES with 1 complaints. Other frequently reported areas include FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING.
Is the 2018 TOYOTA MIRAI safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. The 2018 TOYOTA MIRAI has an NHTSA safety rating of Not Rated/5. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no
number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 2018 TOYOTA MIRAI; no figure is typed in by an editor. See our
editorial standards & corrections policy, the
methodology behind these numbers, or
report a data error. Data current as of August 2026.