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
2021 Hyundai Ioniq 5 problems
A 2021 Hyundai Ioniq 5 is now 5 years old, so an average example has covered around 67,500 miles. This is the first model year of the generation · early-build cars carry the highest share of teething faults and the most recall activity, so check the service history for completed recall work. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2021 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
Quick answer
The 2021 Hyundai Ioniq 5 is 5 years old, so an average example has covered roughly 67,500 miles. At that mileage 2 of the documented faults are already due, so check those first.
Faults a 2021 example has usually reached
Documented onset mileage is at or below the ~68k miles an average 2021 car has covered.
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
Faults that appear at any mileage
Age, electronics and build-related issues that are not mileage-driven.
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
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
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 2021 Hyundai Ioniq 5?
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carHyundai Ioniq 5 · 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.