Quick Facts — Hyundai Ioniq 6

Est. On UK Roads
15,000+
Years Made
2022–present
Common Engines
53 kWh RWD, 77.4 kWh RWD, 77.4 kWh AWD

6 Most Common Hyundai Ioniq 6 Problems

These are the faults most frequently seen on the Hyundai Ioniq 6 by UK garages — ranked by how commonly they occur and what they cost to fix.

1
Software and OTA Issues
Watch
Some Ioniq 6 owners have experienced OTA update issues affecting charging behaviour and ADAS systems. Hyundai has issued patches.
💷 Typical repair cost: £0–£300
2
800V Charging Compatibility
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Some early Ioniq 6 models had charging compatibility issues at certain ultra-rapid chargers — software updates have addressed most cases.
💷 Typical repair cost: £0–£200
3
Rear Brake Squeal
Low Priority
Rear brake squeal after inactivity is commonly reported — surface rust on rear discs.
💷 Typical repair cost: £0–£300
4
12V Auxiliary Battery
Low Priority
The 12V auxiliary battery can fail on older examples causing random electrical faults.
💷 Typical repair cost: £100–£220
5
Interior Panel Fit (Early Examples)
Low Priority
A small number of early Ioniq 6 examples had minor interior trim fit complaints.
💷 Typical repair cost: £0–£200
6
Windscreen Wiper Park Position
Low Priority
A small number of owners report the wipers parking in an incorrect position — usually resolved by a software update.
💷 Typical repair cost: £0–£100

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Hyundai Ioniq 6 — MOT Tips

All high-voltage system warning lights must be clear. All ADAS systems must function correctly. Charging port must operate. 12V auxiliary battery should be verified. As a very new car, most issues are software-related and resolvable under warranty.

Engine management light on before your MOT? It's an automatic fail. Run a Find Your Problem Now → to get the likely cause and repair cost before booking the test.

Hyundai Ioniq 6 Tyres

Most Hyundai Ioniq 6 models run 225/55 R18 or 245/40 R20 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.

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Frequently Asked Questions

What is the most common problem with the Hyundai Ioniq 6?

The most frequently reported issue on the Hyundai Ioniq 6 is Software and OTA Issues. Some Ioniq 6 owners have experienced OTA update issues affecting charging behaviour and ADAS systems. Hyundai has issued patches.

How many Hyundai Ioniq 6s are on UK roads?

There are an estimated 15,000+ Hyundai Ioniq 6s currently on UK roads.

What tyres does the Hyundai Ioniq 6 use?

Most Hyundai Ioniq 6 models run 225/55 R18 or 245/40 R20 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.

Will a warning light fail my Hyundai Ioniq 6's MOT?

All high-voltage system warning lights must be clear. All ADAS systems must function correctly. Charging port must operate. 12V auxiliary battery should be verified. As a very new car, most issues are software-related and resolvable under warranty.

Similar Issues on Other Models

Audi A4 — a comparable executive saloon with its own common fault list Audi A5 — a comparable executive saloon with its own common fault list

Summary

The Ioniq 6 is an exceptional electric saloon — one of the best EVs available at any price. Almost all UK examples are under warranty. The combination of outstanding range, 800V fast charging and a well-resolved driving experience make it a strong used buy as prices soften.

If your Hyundai Ioniq 6 has a warning light on or a symptom you can't identify, a Find Your Problem Now → gives you likely fault causes, UK repair cost estimates and MOT risk — instantly.

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Other Hyundai Models

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