repaired · 2024 Q2
Hybrid propulsion system: inverter
Risk. An overheated PRA increases the risk of a fire.
2018 Hyundai Ioniq HybridProblems, recalls & complaints
NHTSA has logged 14 owner complaints about the 2018 Hyundai Ioniq Hybrid, most often about the engine. It is covered by 2 safety recalls, and for recall 22V-459 the manufacturer reports only 59% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 31, 2026. Updated daily. Photo: Malopez 21, CC BY-SA 4.0.
Complaints by system
Where the 2018 Hyundai Ioniq Hybrid has problems
14 complaints grouped by the system owners reported.
3Engine
3Electrical system
3Power train1 crash/fire/injury
2Vehicle speed control
2Service brakes
1Visibility/wiper
1Forward collision avoidance
1Steering
1Air bags
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 3 | 0 |
| Electrical system | 3 | 0 |
| Power train | 3 | 1 |
| Vehicle speed control | 2 | 0 |
| Service brakes | 2 | 0 |
| Visibility/wiper | 1 | 0 |
| Forward collision avoidance | 1 | 0 |
| Steering | 1 | 0 |
| Air bags | 1 | 1 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
2 recalls
2018 Hyundai Ioniq Hybrid recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2020 Q2
Hybrid propulsion system: inverter
Risk. The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Hyundai.
Best & worst years
2018 vs. every other Ioniq Hybrid year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Ioniq Hybrid median. How we score
'17'18'19'20'21'22
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2018 Hyundai Ioniq Hybrid safety ratings
2018 Hyundai Ioniq Hybrid 5 HB FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
- Stability control: Standard
- Forward collision warning: Optional
- Lane departure warning: Optional
1 investigation
NHTSA defect investigations
Federal investigations that included the 2018 Hyundai Ioniq Hybrid, and the recalls they led to.
- Pedestrian alert soundsLed to recall 22V-063
In owners' words
What Ioniq Hybrid owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
My 2018 Hyundai Ioniq Hybrid has a safety-critical transmission defect. The vehicle slips violently from 1st to 2nd gear, loses acceleration, and causes unpredictable hesitation. This creates a danger when merging onto highways or crossing intersections. Hyundai refused goodwill assistance, denied…
The car engine started to stall, the engine light came on and advised me to shut off engine then I pulled over and smoke immidiatley filled the cabin and outside the hood. My engine could have blown up. Had I not pulled over so quickly my car would have caught fire and I would have died. Yes the…
IT BEGAN SHORTLY AFTER I PURCHASED THE CAR IN FEB 2018 WITH THE A/C WORKING ONLY INTERMITTENTLY AND THE SETTINGS ON THE CLUSTER HAVING THE SAME PROBLEM, AND THIS ELECTRICAL PROBLEM ESCALATED INTO A SAFETY ISSUE WHEN ON DEC 6 THE RKE FAILED (BATTERY ON FOB STRONG) AND A RE-START ON CAR DID NOT WORK,…
Own a 2018 Ioniq Hybrid?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.