Used Kia EV6 2021-present reliability review

The Kia EV6 offers keen handling, a good range and plenty of space, and is now a great used buy.

What should I look for in a used Kia EV6?

When viewing a used car, always follow our used car buying checklist.

The Kia EV6 is likely to have been used as a family car, so check the interior for any signs of wear and tear. Be sure to inspect the exterior, too, for stone chips and parking scuffs, as well as for any damage to the alloy wheels. The car's electrics should all working as they should be.

Is a used Kia EV6 reliable?

Used Kia EV6 2021-present side driving blue

In our latest What Car? Reliability Survey, the EV6 ranked 17th out of 27 cars in the electric SUV category, with a score of 89.5%. That places it above the BMW iX and Nissan Ariya, but below the BMW iX3, Skoda Enyaq and Tesla Model Y.

As a car brand, Kia finished eighth out of the 30 brands in the manufacturer section of the survey. That's above Audi, Nissan and Volkswagen, but below BMW and Toyota.

Used Kia EV6 reliability: the owners' view

In our latest Reliability Survey, Kia EV6 owners said they had a mixed experience with reliability and dealer support. Several owners praised the car’s dependability, with no faults reported even after multiple years of ownership. However, others experienced recurring issues, particularly with the infotainment system and 12V battery, the latter leading to warning lights and unexpected breakdowns.

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Some drivers also noted faulty charging ports and glitches with the keyless entry system. While these weren’t always serious faults, they did require trips to the dealership for diagnosis and repair. Feedback on Kia’s dealer service was generally positive, with many reporting prompt and helpful responses. That said, a few owners found that dealers struggled to resolve electrical faults on the first visit, leading to repeat appointments.

Overall, the EV6 has shown reasonable reliability, but minor electrical issues and occasional dealer delays have frustrated some owners.

Used Kia EV6 2021-present boot

Tips & Advice

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Kia EV6 77.4kWh Air Auto 5dr

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£10,999

Kia EV6 77.4kWh Air Auto 5dr

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£13,450

Kia Ev6 77.4kWh Air Auto 5dr

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Kia EV6 77.4kWh Air Auto 5dr

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Kia Ev6 77.4kWh GT-Line Auto 5dr

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Kia EV6 77.4kWh GT-Line Auto 5dr

Kia EV6

77.4kWh GT-Line Auto 5dr

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Kia EV6 77.4kWh GT-Line Auto 5dr

Kia EV6

77.4kWh GT-Line Auto 5dr

RRP £43,995

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Kia EV6 77.4kWh GT-Line Auto 5dr

Kia EV6

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About the writer

George Hill

Name: George Hill

Title: Used car writer

Follow George Hill on

George Hill has worked as What Car?’s used car writer since 2024, having previously joined the team as a staff writer in 2021. In his current role he focuses on used car reviews, used car group tests and used car top 10s, as well new car editorial, for What Car? magazine and whatcar.com.

If you follow What Car? on social media, you might also see him presenting the odd video on new and used cars too.

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