2018 Toyota Mirai
Only 2 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 2 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 10 |
| 2023 | 6 |
| 2024 | 0 |
| 2025 | 0 |
KNOWN PROBLEM AREAS
Only 2 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 2 total reports mentions: service brakes.
Show complaint excerpts
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.
NHTSA ODI report, 20251111
1 of 2 total reports mentions: fuel/propulsion system.
Show complaint excerpts
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.
NHTSA ODI report, 20260305
1 of 2 total reports mentions: forward collision avoidance.
Show complaint excerpts
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.
NHTSA ODI report, 20251111
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
2018 Toyota Mirai — pre-purchase inspection
- Test/inspect for service brakes issues (1 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (1 reports on file for this year).
- Test/inspect for forward collision avoidance issues (1 reports on file for this year).
FAQ
Is the 2018 Toyota Mirai reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2018 Toyota Mirai?
The most-reported component is service brakes, accounting for 50% of complaints on file.
How many recalls does the 2018 Toyota Mirai have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.