Skip to content
KLUNK
KLUNK

2017 Toyota Mirai

The Verdict

99 Smooth Ride

The 2017 Toyota Mirai has 4 owner complaints filed with NHTSA. The most reported issues are body (2 complaints) and brakes (1 complaints). With a Klunk Score of 99/100, it earns a "Smooth Ride" rating. If you're shopping for a Toyota Mirai, consider the 2020 model year which has 75% fewer complaints.

Safe Bet

The 2020 has 75% fewer complaints

View the 2020 Toyota Mirai dashboard →

99

Klunk Score: Smooth Ride

This vehicle year has significantly fewer complaints than average. A reliable choice.

How is this calculated?

The Klunk Score ranks this vehicle year against all others in our database based on total owner complaints filed with NHTSA. 100 = fewest complaints (top tier), 0 = most complained-about. Scores above 60 are better than average; below 40 means more problems than most.

Get notified if a recall hits this car.

We email you when NHTSA issues a new recall on the 2017 Toyota Mirai. No spam, no marketing.

Under the Hood

Each number is a complaint. Darker = bigger problem.

YearBodyBrakesElectricalEngine
20161001
20172101
20180101
20190121
20201000
20210001
20224014
20232004

By Category

Body
2
Brakes
1
Engine
1

By Severity

1
2
2
1
3
1

Worst Problems

Complaints

Brakes 3

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 dealership keeps telling me that nothings wrong however the issue keeps happening. Nobody’s fixing it. A specialist has been checking it out and they also were not able to find anything however the issue is still happening. There have been no warning signs or messages when the brakes lock up for no reason.

57mo ago
Engine 1

UNTIL TWO (2) DAYS AGO, I WAS THE HAPPY OWNER OF A 2017 TOYOTA MIRAI (VIN [XXX]). AT THE TIME OF MY INCIDENT, THE CAR HAD APPROXIMATELY 19,700 MILES ON THE ODOMETER. ON FRIDAY 24 AUGUST 2018 AT APPROXIMATELY 1615 (4:15 PM), I WAS DRIVING MY WIFE TO THE CLEANERS. I WAS ON ALMADEN EXPRESSWAY JUST SOUTH OF THE CAMDEN INTERSECTION IN A SOUTHERLY DIRECTION. SUDDENLY AND WITHOUT WARNING, THE CAR LOST POWER. THE CAR MONITOR SCREEN INSTRUCTED ME TO PULL OFF AS SOON AS POSSIBLE AND TO CONTACT MY CAR DEALER. I WAS INFORMED THAT I HAD AN FC FAILURE. AFTER THE CAR WAS TOWED TO THE DEALER, I WAS INFORMED BY THE DEALER THAT A SMALL ROCK HAD COMPLETELY PASSED THROUGH THE RADIATOR. THE TOYOTA MIRAI IS A HYDROGEN FUEL CELL VEHICLE. THERE IS NO INTERNAL COMBUSTION ENGINE. HYDROGEN FUEL FEEDS A FUEL CELL WHICH COMBINES THE HYDROGEN WITH FREE OXYGEN TO MAKE ELECTRICITY. THIS ELECTRICITY THEN POWERS TWO MOTORS AND/OR THE BATTERY. THE FUEL CELL REQUIRES A RADIATOR FOR COOLING. THIS RADIATOR IS THE ACHILLES HEEL OF THE MIRAI. IT IS PLACED LOW, IN FRONT, ON THE PASSENGER?S SIDE OF THE VEHICLE. THERE IS NO BUMPER TO PROTECT IT FROM COLLISIONS WITH CURBS. IN MY CASE, THERE IS NO PROTECTION FROM ROCKS AND GRAVEL HITTING THE RADIATOR AND DISABLING THE VEHICLE. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

96mo ago
Body 1

TL* THE CONTACT OWNS A 2017 TOYOTA MURAI. WHILE DRIVING AT ANY SPEED, THE DASHBOARD REFLECTED ON THE SIDE VIEW MIRRORS, WHICH MADE IT DIFFICULT TO SEE. THE DEALER (SAN FRANCISCO TOYOTA IN SAN FRANCISCO, CA, 415-559-1981) WAS UNABLE TO DIAGNOSE THE FAILURE AND STATED THAT THE FAILURE WOULD BE REPORTED TO THE MANUFACTURER. THE MANUFACTURER WAS AWARE OF THE FAILURE, BUT DID NOT RETURN THE CALL, AS PROMISED. THE FAILURE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 1,000. THE VIN WAS NOT PROVIDED.....UPDATED 12/11/17 *BF *TT

106mo ago
Body 2

THE CHILD SEAT LATCHES FOR CAR SEATS ARE NOT VISIBLE AND PRACTICALLY IMPOSSIBLE TO USE. BECAUSE OF THE DESIGN AND MATERIAL OF THE SEAT, IT TAKES A LOT OF STRENGTH AND EFFORT TO PROPERLY FIND THE LATCHES AND CONNECT THEM TO CAR SEATS. MY WIFE HAS TRIED SEVERAL TIMES TO CONNECT OUR CAR SEATS TO THE LATCH SYSTEM. IT DOESN'T MATTER WHICH CAR SEAT SHE TRIES IT WITH, SHE IS UNABLE TO CONNECT THE LATCH BECAUSE OF THE WAY THE SEAT IS DESIGNED AND THE AMOUNT OF STRENGTH YOU NEED TO HAVE BECAUSE OF THE WAY YOU HAVE TO CONNECT THE CAR SEATS. ON MOST CARS, I CAN CONNECT A CAR SEAT IN UNDER 5 MINUTES TO THE LATCHES. SOME CARS IN A MINUTE OR LESS. WITH THE MIRAI, IT TAKES ME 5-10 MINUTES TO GET THIS INSTALLED. THE LATCHES WERE MADE MANDATORY TO ASSIST PEOPLE WITH EASE OF CAR SEAT INSTALLATION BUT THE DESIGN OF THE MIRAI HAS MADE IT NEARLY IMPOSSIBLE AND IMPOSSIBLE FOR PEOPLE WHO ARE NOT STRONG ENOUGH TO MANUVER THE SEAT AND JAM THE CAR SEAT CLIPS THOUGH THE SEAT BOTTOM.

111mo ago
Report a Klunk