2018 Toyota Prius Prime: Reliability Data

Source: NHTSA — 20 complaints
20
Total Complaints
15,000mi
Median Mileage
Unknown Or Other
Top Issue
6
Crash Reports

When Do Complaints Happen?

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

15,000 25th Percentile
15,000 Median Mileage
30,900 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Unknown Or Other
3
Fuel/Propulsion System
2
Power Train
2
Air Bags
2
Exterior Lighting
1
Engine
1
Electrical System
1
Warnings
1
Rearview System Braking
1
Service Brakes
1

Severity Assessment

6
Crashes
0
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"AFTER STARTING FROM A STOP AFTER THE TRAFFIC LIGHT TURNED GREEN, THE CAR IN FRONT OF ME PULLED AHEAD AS THEY ACCELERATED FASTER THAN ME. WHEN THE CAR IN FRONT OF ME WAS ABOUT 50 YARDS IN FRONT OF ME, AND I HAD REACHED ABOUT 25 MILES PER HOUR THE CAR'S COLLISION AVOIDANCE SYSTEM ENGAGED AND SLAMMED O..."
"'HYBRID SYSTEM FAILURE' APPEARED ON DASH DISPLAY DURING A LONG (120 MILE) DRIVE AT HIGHWAY SPEED ON SEPTEMBER 24. AFTER DRIVING ABOUT 40 MILES FURTHER, THE 'CHECK ENGINE LIGHT' CAME ON AND THE DISPLAY SAID TO PULL OVER IMMEDIATELY. AS I PULLED OFF THE FREEWAY, MESSAGES TOLD ME THE POWER STEERING AND..."
"'HYBRID SYSTEM FAILURE' APPEARED ON DASH DISPLAY DURING A LONG (120 MILE) DRIVE AT HIGHWAY SPEED ON SEPTEMBER 24. AFTER DRIVING ABOUT 40 MILES FURTHER, THE 'CHECK ENGINE LIGHT' CAME ON AND THE DISPLAY SAID TO PULL OVER IMMEDIATELY. AS I PULLED OFF THE FREEWAY, MESSAGES TOLD ME THE POWER STEERING AND..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

CA: 9 NJ: 3 IL: 3 CT: 2 OK: 1 HI: 1 KS: 1

Toyota Prius Prime — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
2017458
2020239

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