TransmissionHigh
7-speed DCT low-speed shudder
- Typically appears
- 60,000+ miles
- What to inspect
- Crawl test in traffic
- Typical repair
- DCT clutch pack / mechatronic work · £900–£3,200
Is the 2012–2025 Hyundai i30 reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
5.7/ 10
MixedOn our documented-fault scoring the Hyundai i30 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 transmission, exhaust and engine. 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 transmission, exhaust, engine, electrical.
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Check this carThe faults that decide it
ExhaustMedium
1.6 CRDi DPF issues on short-journey cars
- Typically appears
- 80,000+ miles
- What to inspect
- Warning lights and regen history
- Typical repair
- DPF forced regen or replacement · £250–£1,600
EngineMedium
1.0/1.4 T-GDi coolant loss and carbon build-up
- Typically appears
- 80,000+ miles
- What to inspect
- Check coolant and idle quality
- Typical repair
- Head gasket / cooling system repair · £900–£2,600
SteeringMedium
Clunking or clicking noise from the steering column due to a worn flexible EPS motor coupling (star washer).
- Typically appears
- 50,000-80,000 miles
- What to inspect
- With the engine running and vehicle stationary, rapidly rock the steering wheel left and right by a few degrees. Listen for a distinct metallic clack from behind the steering wheel.
- Typical repair
- EGR valve / cooler replacement · £300–£900
BrakesMedium
Rear brake caliper binding, leading to excessive heat, premature pad wear, and a dragging sensation.
- Typically appears
- 40,000-70,000 miles
- What to inspect
- Inspect rear brake discs for deep scoring or blue heat discolouration. Release the handbrake on a slight incline to confirm the car rolls freely without resistance.
- 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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