What reliability score does the Kia EV6 get?

5.7 out of 10, scored from the 8 faults we document for this model and how severe each one is.

Is the 2021–2025 Kia EV6 reliable?

Scored from 8 documented faults · reviewed by the VehicleFaults Research Team

Quick answer

5.7/ 10

Mixed

On our documented-fault scoring the Kia EV6 rates 5.7 out of 10 · mixed. We hold 8 known faults for it and 1 are rated high severity, so the risk is real but contained. The weak points cluster around electrical, bodywork and suspension. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.

Verdict · Negotiate · budget for the known faults

What the score is built from

Critical: 0
High: 1
Medium: 5
Low: 2

Weak points cluster around electrical, bodywork, suspension, interior.

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The faults that decide it

High Voltage SystemHigh

Failure to AC charge or dashboard warning 'Check Electric Vehicle System' due to ICCU (Integrated Charging Control Unit) failure.

Typically appears: 10,000-30,000 miles
What to inspect: Plug the vehicle into an AC forecourt charger and confirm it initiates and sustains a charge without dashboard error messages.
Typical repair: EGR valve / cooler replacement · £300–£900

ElectricalMedium

Infotainment freezes and software update requirements

Typically appears: Age-related
What to inspect: Check the car has the latest software update and test all screens
Typical repair: Infotainment repair or software fix · £120–£1,200

ElectricalMedium

12V battery drain issues on early production cars

Typically appears: 20,000+ miles
What to inspect: Check the 12V battery condition and ask about any flat battery history
Typical repair: Starting & charging parts · £150–£650

SuspensionMedium

Rear suspension bush wear causing knocking noises

Typically appears: 40,000+ miles
What to inspect: Check for knocking over bumps and inspect bushes for perishing
Typical repair: Suspension refresh (per axle) · £250–£1,100

BodyworkMedium

Motorised charging port door refuses to open or fails to latch shut smoothly.

Typically appears: 20,000-40,000 miles
What to inspect: Cycle the charge port door open and closed multiple times using both the external touch sensor and the interior button.
Typical repair: Charging / power electronics repair · £600–£2,600

Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.

Inspecting a Kia EV6?

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Kia Carnival Kia Ceed Kia EV9 Kia Forte Kia K5 Kia Niro

Quick answer

What the score is built from

The faults that decide it

Inspecting a Kia EV6?

Reliability of other Kia models