AutoUtility currently tracks 2 official NHTSA owner defect complaints for the 2018 Toyota Mirai. Fuel & Propulsion System issues are the most frequently reported category, appearing in 1 complaint (50% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"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..."
"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."
Reported defect complaint volume across sibling model years (2016–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2016 Toyota Mirai | 2 | 0 | 0 | View 2016 Problems → |
| 2017 Toyota Mirai | 4 | 0 | 0 | View 2017 Problems → |
| 2018 Toyota Mirai Current Page | 2 | 0 | 0 | Current |
| 2019 Toyota Mirai | 4 | 1 | 0 | View 2019 Problems → |
| 2020 Toyota Mirai | 1 | 1 | 0 | View 2020 Problems → |
| 2021 Toyota Mirai | 1 | 0 | 1 | View 2021 Problems → |
| 2022 Toyota Mirai | 10 | 2 | 1 | View 2022 Problems → |
| 2023 Toyota Mirai | 6 | 0 | 2 | View 2023 Problems → |
| 2024 Toyota Mirai | 0 | 0 | 2 | View 2024 Problems → |
| 2025 Toyota Mirai | 0 | 0 | 1 | View 2025 Problems → |
| 2026 Toyota Mirai | 0 | 0 | 0 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 2 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 Toyota Mirai
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Toyota Mirai is Fuel & Propulsion System, appearing in 1 records (50% of submitted filings).
Secondary reported categories include Driver Assistance & Safety Tech (1) and Brakes & Traction Control (1).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 2 consumer defect complaints and 0 safety recall campaigns for the 2018 Toyota Mirai.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2018 Toyota Mirai cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.