BatteryHigh
State of health on rapid-charged, high-mileage cars
HV battery module work£1,200–£8,000
Inspect · Run a battery health report and compare with the original usable capacity
2023–2026 Kia EV9 · common fault repair costs
What the known faults on this Kia EV9 typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
Cost at a glance
- Most expensive fault
- £1,200–£8,000
- Top three risks, from
- £1,700
- Worst case, everything
- £16,800
The single priciest documented job on the 2023–2026 Kia EV9 is hv battery module work at £1,200–£8,000. Few cars need every repair listed here · treat £2,690–£16,800 as the full exposure if one arrived with all of them.
Cost per fault
BodyworkLow
Large body attracting car park damage on doors and corners
Body & corrosion repair£250–£1,800
Inspect · Inspect door edges, corners and rims
ExteriorMedium
Flush electronic door handles failing to deploy automatically upon unlocking or sticking in the open position due to actuator faults or water ingress.
Body & corrosion repair£250–£1,800
Inspect · Lock and unlock the vehicle using the key fob three times in succession. Observe all four exterior handles to ensure they present smoothly and retract completely flush with the door panel.
ChargingHigh
ICCU faults affecting charging and 12V supply, addressed by recall updates
Significant repair£400–£1,400
Inspect · Check the DVSA recall service and confirm the update was applied
ElectricalMedium
Infotainment and driver-assist software glitches
Infotainment repair or software fix£120–£1,200
Inspect · Confirm the software version and test all cameras and sensors
SuspensionMedium
Very heavy vehicle wearing tyres and bushes early
Suspension refresh (per axle)£250–£1,100
Inspect · Check tyre inner edges and listen for front-end knocks
HVACLow
Excessive vibration or loud humming from the front heat pump and blower motor assembly during high-demand cabin heating.
Air-con regas or compressor£90–£900
Inspect · Set the climate control to maximum heat and the highest fan speed. Sit in the cabin and stand near the front bonnet to listen for abnormal resonance or grinding noises from the pump.
InteriorMedium
Second-row swivel seats on 6-seat variants failing to lock securely into the forward-facing position or rattling over uneven surfaces.
Door / window mechanism£130–£600
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.
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Inspecting a Kia EV9 this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.