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2021–2025 Hyundai Ioniq 5 · common problems & known faults

A well-engineered and fast-charging electric crossover, where software updates and minor trim issues are the main things used buyers should check.

Compiled & reviewed by the VehicleFaults Research Team · last reviewed August 2026

Quick answer

The most commonly reported faults on the 2021–2025 Hyundai Ioniq 5 are Infotainment and instrument cluster software glitches requiring updates, 12V battery drain issues on early production cars and Rear suspension knocking from worn bushes. Most reported issues are medium or low severity, but a pre-purchase inspection is still recommended. Full inspection points, onset mileage and what to check are listed below.

Reliability snapshot

Based on the documented faults on this page for the Hyundai Ioniq 5.

7.9/ 10
Solid
Critical
0
High
0
Medium
3
Low
2

Guidance only · reflects reported patterns, not a specific car's condition.

Hyundai Ioniq 5 problems by year

Which faults an average example has usually reached depends on its age. Pick a model year for the faults that matter on that build.

Known faults to check

ElectricalMedium

Infotainment and instrument cluster software glitches requiring updates

Typically appears
Age-related
What to inspect
Check the car has the latest software update and test all screens for freezing
ElectricalMedium

12V battery drain issues on early production cars

Typically appears
20,000+ miles
What to inspect
Check the 12V battery health and ask about any history of failed starts
InteriorLow

Dashboard and door trim rattles on rough roads

Typically appears
Age-related
What to inspect
Drive over rough surfaces and listen for interior rattles
SuspensionMedium

Rear suspension knocking from worn bushes

Typically appears
40,000+ miles
What to inspect
Check for knocking noises over speed bumps at the rear
BodyworkLow

Panoramic sunroof wind noise and seal issues

Typically appears
Age-related
What to inspect
Check for wind noise around the sunroof at motorway speed if fitted

Inspecting a Hyundai Ioniq 5?

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Frequently asked questions

Is the Ioniq 5 reliable?

Yes, it has a strong reliability record, with most issues being minor software glitches.

Should I check the 12V battery?

Yes, early cars had some 12V drain issues, so checking its health is a sensible precaution.

Is battery degradation a concern?

Battery health is generally strong under the manufacturer warranty, but a health check report is still worthwhile.

Are there any structural concerns?

None significant, though checking for panoramic sunroof wind noise is worthwhile if fitted.

Sources & further reading

Faults are compiled from documented recalls, technical bulletins, owner reports and mechanic sources, then reviewed for accuracy. This is guidance only · not a substitute for a professional inspection.