Quick Facts — Kia EV6

Est. On UK Roads
30,000+
Years Made
2021–present
Common Engines
58 kWh RWD, 77.4 kWh RWD, 77.4 kWh AWD GT-Line, GT AWD

6 Most Common Kia EV6 Problems

These are the faults most frequently seen on the Kia EV6 by UK garages — ranked by how commonly they occur and what they cost to fix.

1
Software and OTA Update Issues
Watch
Some EV6 owners have experienced issues following over-the-air software updates — charging speed reductions, ADAS malfunctions and infotainment glitches. Kia has issued multiple patches.
💷 Typical repair cost: £0–£300
2
Heat Pump Efficiency in Cold Weather
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The EV6 heat pump can reduce range significantly in very cold UK winter conditions. Not a fault but a known characteristic.
💷 Typical repair cost: N/A
3
800V Charging Compatibility
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Early EV6 models had some compatibility issues with certain 800V ultra-rapid chargers. Kia software updates have resolved most of these.
💷 Typical repair cost: £0–£200
4
Brake Squeal (Rear)
Low Priority
Rear brake squeal after inactivity is reported — surface rust on rear discs causes noise until the brakes bed in again.
💷 Typical repair cost: £0–£300
5
Panoramic Roof Wind Noise
Low Priority
Some EV6 owners report wind noise from the panoramic roof seal at higher speeds.
💷 Typical repair cost: £0–£200
6
12V Auxiliary Battery
Low Priority
The 12V auxiliary battery can fail on older examples causing random electrical faults. A relatively easy fix.
💷 Typical repair cost: £100–£220

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Kia EV6 — MOT Tips

All high-voltage system warning lights must be clear. ADAS systems must function correctly. Charging port must operate. 12V auxiliary battery health should be verified on older examples.

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.

Kia EV6 Tyres

Most Kia EV6 models run 235/55 R19 or 255/45 R20 depending on trim level and year. Always check the placard inside the driver's door for the exact size for your vehicle.

🔍 Not sure what's wrong? Check your symptoms & likely causes →

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Frequently Asked Questions

What is the most common problem with the Kia EV6?

The most frequently reported issue on the Kia EV6 is Software and OTA Update Issues. Some EV6 owners have experienced issues following over-the-air software updates — charging speed reductions, ADAS malfunctions and infotainment glitches. Kia has issued multiple patches.

How many Kia EV6s are on UK roads?

There are an estimated 30,000+ Kia EV6s currently on UK roads.

What tyres does the Kia EV6 use?

Most Kia EV6 models run 235/55 R19 or 255/45 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 Kia EV6's MOT?

All high-voltage system warning lights must be clear. ADAS systems must function correctly. Charging port must operate. 12V auxiliary battery health should be verified on older examples.

Similar Issues on Other Models

Hyundai Ioniq 5 — shares the same 12v auxiliary battery problem Audi e-tron / Q8 e-tron — 12v auxiliary battery shows up here too

Summary

The EV6 is an outstanding electric car — fast, capable and well-equipped. Most UK examples are still under Kia's 7-year warranty. Software behaviour and charging system reliability are the main areas to monitor as the fleet ages.

If your Kia EV6 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 Kia Models

Kia Sportage → Kia Ceed → Kia Niro → Kia Stonic →