Hyundai Ioniq Plug-In Hybrid problems

Owners have filed 41 complaints about the Hyundai Ioniq Plug-In Hybrid with NHTSA across model years 2018 to 2022. More of them are about the electrical system than anything else.

Every Hyundai Ioniq Plug-In Hybrid 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.

4 19 6 9 3

18 19 20 21 22

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
2022	—	3	0	0	—	Electrical System
2021	—	9	0	0	—	Electrical System
2020	—	6	2	1	—	Brakes
2019	—	19	7	0	—	Transmission & Drivetrain
2018	—	4	0	0	—	Engine & Cooling

What breaks on a Hyundai Ioniq Plug-In Hybrid

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

Electrical System 7 17.1%

Worst in 2019

Transmission & Drivetrain 5 12.2%

Worst in 2019

Brakes 4 9.8%

Worst in 2020

Acceleration & Cruise Control 4 9.8%

Worst in 2019

Driver Assist & Collision Avoidance 4 9.8%

Worst in 2020

Other & Unspecified 4 9.8%

Worst in 2019

Body & Structure 3 7.3%

Worst in 2019

Seat Belts 3 7.3%

Worst in 2019

Engine & Cooling 2 4.9%

Worst in 2019

Fuel & Propulsion 2 4.9%

Worst in 2019

Windows, Mirrors & Wipers 2 4.9%

Worst in 2020

Airbags 1 2.4%

Worst in 2019

Complaints filed over time

Every complaint about every Hyundai Ioniq Plug-In Hybrid, by the month it reached NHTSA.

Aug 2020 peak 8 May 2026

Compare the Hyundai Ioniq Plug-In Hybrid

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

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