FaultScore

Worst years for a Toyota Prius Prime

Owners have filed 165 complaints about the Toyota Prius Prime with NHTSA across model years 2017 to 2024. More of them are about the electrical system than anything else.

Avoid

2017 Toyota Prius Prime

59 complaints — the highest FaultScore of any year, mostly windows, mirrors & wipers.

Cleanest on record

2019 Toyota Prius Prime

11 complaints — the lowest FaultScore of the graded years.

Every Toyota Prius Prime year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2024 D 14 2 0 7,000 Electrical System
2023 7 0 0 Electrical System
2022 C 11 4 0 Acceleration & Cruise Control
2021 D 19 9 0 34,000 Electrical System
2020 D 23 9 0 9,250 Windows, Mirrors & Wipers
2019 B 11 0 0 6,430 Wheels
2018 D 21 6 0 15,000 Driver Assist & Collision Avoidance
2017 F 59 8 0 5,000 Windows, Mirrors & Wipers

What breaks on a Toyota Prius Prime

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Electrical System 24 14.5%

Worst in 2017

Windows, Mirrors & Wipers 20 12.1%

Worst in 2017

Transmission & Drivetrain 13 7.9%

Worst in 2017

Driver Assist & Collision Avoidance 13 7.9%

Worst in 2017

Other & Unspecified 13 7.9%

Worst in 2017

Brakes 12 7.3%

Worst in 2017

Acceleration & Cruise Control 8 4.8%

Worst in 2020

Fuel & Propulsion 8 4.8%

Worst in 2017

Engine & Cooling 7 4.2%

Worst in 2017

Airbags 7 4.2%

Worst in 2017

Tires 7 4.2%

Worst in 2017

Wheels 6 3.6%

Worst in 2019

Steering 5 3.0%

Worst in 2017

Body & Structure 5 3.0%

Worst in 2017

Complaints filed over time

Every complaint about every Toyota Prius Prime, by the month it reached NHTSA.

Mar 2017 peak 9 Aug 2026

Compare the Toyota Prius Prime

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.