What reliability score does the Hyundai Bayon get?

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

Is the 2021–2025 Hyundai Bayon reliable?

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

Quick answer

6.4/ 10

Mixed

On our documented-fault scoring the Hyundai Bayon rates 6.4 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 interior. 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: 3
Low: 4

Weak points cluster around electrical, engine, interior, brakes.

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The faults that decide it

DrivetrainHigh

Juddering or hesitation when pulling away from a standstill on models equipped with the 7-speed DCT, indicating dry clutch pack wear or overheating.

Typically appears: 40,000-60,000 miles
What to inspect: Perform a hill start or pull away very slowly from a standstill on the forecourt; feel for vibrations through the seat or hesitation before the clutch fully engages.
Typical repair: Head gasket / cooling system repair · £900–£2,600

BrakesMedium

Rear disc corrosion on low mileage cars

Typically appears: Age-related
What to inspect: Inspect rear discs for pitting
Typical repair: Brakes (discs, pads, caliper) · £200–£800

TransmissionMedium

Jerky gear changes or failure to engage the clutch smoothly on iMT (Intelligent Manual Transmission) models due to actuator hesitation.

Typically appears: 20,000-40,000 miles
What to inspect: Depress the clutch pedal with the engine off to listen for excessive actuator clicking, then test for smooth take-up during a low-speed forecourt manoeuvre.
Typical repair: Clutch & dual-mass flywheel · £700–£1,600

ElectricalMedium

48V Mild Hybrid system warning light on the dash or failure of the engine to seamlessly restart during stop-start operation.

Typically appears: 3-4 years
What to inspect: Check the dash for hybrid system warnings on start-up. Trigger the stop-start system on the forecourt to ensure the belt-starter generator restarts the engine instantly and smoothly.
Typical repair: Starting & charging parts · £150–£650

EngineLow

Carbon build up on the 1.0 T-GDi

Typically appears: 50,000+ miles
What to inspect: Cold start and check idle quality
Typical repair: Minor repair or adjustment · £80–£350

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

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What the score is built from

The faults that decide it

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