2018 Honda Clarity Plug-In Hybrid: Reliability Data

Source: NHTSA — 184 complaints
184
Total Complaints
2,525mi
Median Mileage
ENGINE
Top Issue
14
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

550 25th Percentile
2,525 Median Mileage
7,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
24
FUEL/PROPULSION SYSTEM
22
POWER TRAIN
19
UNKNOWN OR OTHER
18
ELECTRICAL SYSTEM
15
FUEL SYSTEM, GASOLINE
15
VEHICLE SPEED CONTROL
11
SERVICE BRAKES
10
EXTERIOR LIGHTING
9
VISIBILITY/WIPER
9

Severity Assessment

14
Crashes
1
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"THE HEADLAMPS DO NOT EXTEND OUT FAR ENOUGH CAUSING A SAFETY CONCERN. I HAVE HAD THEM ADJUSTED TWICE AND THEY STILL DO NOT EXTEND OUT ENOUGH."
"VEHICLE ENGINE RESPONDED TO ACCELERATOR PEDAL INPUT, BUT WOULD NOT TRAVEL AT GREATER THAN 25 MILES PER HOUR ON SLIGHT UPHILL. VEHICLE HAD BEEN STARTED AFTER BEING OFF FOR APPROXIMATELY TWO HOURS. HIGH VOLTAGE BATTERY WAS DRAINED AND VEHICLE WAS OPERATING EXCLUSIVELY ON GAS ENGINE. VEHICLE HAD BEEN I..."
"HIGH BEAM HEADLIGHTS ARE INADEQUATE. THEY WERE INITIALLY ADJUSTED TOO LOW, BUT EVEN AFTER ADJUSTING THEM, THEY ARE STILL TOO DIM. IT IS VERY EASY TO OVER-DRIVE THE REACH OF THE HIGH BEAMS."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28