EngineHigh
2.0 Nu engine oil consumption / rare seizure.
- Typically appears
- 60,000+ miles
- What to inspect
- Check oil level and consumption history; listen for knock.
- Typical repair
- Oil leak trace & seal / gasket · £180–£700
Is the 2018–2023 Hyundai Kona reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
6.0/ 10
MixedOn our documented-fault scoring the Hyundai Kona rates 6.0 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, engine and transmission. 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
- 4
- Low
- 3
Weak points cluster around electrical, engine, transmission, body.
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Check this carThe faults that decide it
TransmissionMedium
1.6T dual-clutch hesitation.
- Typically appears
- Any
- What to inspect
- Test-drive for jerky low-speed shifts.
- Typical repair
- DCT clutch pack / mechatronic work · £900–£3,200
ElectricalMedium
Parasitic drain leading to a flat 12V battery, causing non-start conditions.
- Typically appears
- 20,000-40,000 miles
- What to inspect
- Connect a multimeter to the 12V battery terminals with the ignition off. Look for a voltage drop below 12.4V, and check the OBD port for aftermarket dongles causing the drain.
- Typical repair
- Starting & charging parts · £150–£650
Engine (1.0 T-GDi)Medium
Metallic rattling or buzzing noise from the turbocharger wastegate actuator linkage.
- Typically appears
- 40,000-60,000 miles
- What to inspect
- Open the bonnet and have an assistant lightly rev the engine from idle. Listen closely to the front heat shield area for a distinct metallic rattle as the revs drop.
- Typical repair
- Turbocharger replacement · £750–£2,200
BrakesMedium
Premature rear brake pad wear and binding calipers, leading to squealing and scored discs.
- Typically appears
- 25,000-45,000 miles
- What to inspect
- Visually inspect the rear brake discs for heavy scoring or rust lips. After a brief test drive, check if one rear alloy wheel radiates significantly more heat than the others.
- Typical repair
- Brakes (discs, pads, caliper) · £200–£800
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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