ChargingHigh
ICCU faults affecting charging and 12V supply, addressed by recall updates
- Typically appears
- 20,000+ miles
- What to inspect
- Check the DVSA recall service and confirm the update was applied
- Typical repair
- Significant repair · £400–£1,400
Is the 2023–2026 Kia EV9 reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
5.2/ 10
MixedOn our documented-fault scoring the Kia EV9 rates 5.2 out of 10 · mixed. We hold 8 known faults for it and 2 are rated high severity, so the risk is real but contained. The weak points cluster around charging, battery and electrical. 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
- 2
- Medium
- 4
- Low
- 2
Weak points cluster around charging, battery, electrical, suspension.
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Check this carThe faults that decide it
BatteryHigh
State of health on rapid-charged, high-mileage cars
- Typically appears
- 30,000+ miles
- What to inspect
- Run a battery health report and compare with the original usable capacity
- Typical repair
- HV battery module work · £1,200–£8,000
ElectricalMedium
Infotainment and driver-assist software glitches
- Typically appears
- Age-related
- What to inspect
- Confirm the software version and test all cameras and sensors
- Typical repair
- Infotainment repair or software fix · £120–£1,200
SuspensionMedium
Very heavy vehicle wearing tyres and bushes early
- Typically appears
- 30,000+ miles
- What to inspect
- Check tyre inner edges and listen for front-end knocks
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
InteriorMedium
Second-row swivel seats on 6-seat variants failing to lock securely into the forward-facing position or rattling over uneven surfaces.
- Typically appears
- 5,000-15,000 miles
- What to inspect
- Release the second-row seat swivel latch, rotate the seat, and return it to the forward position. Ensure it clicks firmly into place and push/pull the backrest to check for excessive play.
- Typical repair
- Door / window mechanism · £130–£600
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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