IsItAGoodCar

Common Problems with the
2017–2021 Hyundai i30 (Gen 3)

We've identified 3 known issues that can affect the 2017–2021 Hyundai i30 (Gen 3). 1 of these are serious faults that could be expensive to repair.

3
Known Issues
1
Serious
1
Moderate
1
Minor

The 2017–2021 period has 2 more issues than the Hyundai i30 (Gen 3) average across all year periods.

All Known Issues

1.6 CRDi Timing Chain Noise

SeriousEngine

Some diesel models develop a rattle from the timing chain, often due to extended oil change intervals or tensioner issues.

Most affected: 1.6 CRDi diesel

Estimated cost: £600–£1,200Affects: 2017–2021Often appears around: 60,000–100,000 miles

Typical symptoms

  • •Rattle from the engine on cold start
  • •Metallic ticking noise

What to inspect before you buy

  • ✓Listen carefully to the engine from cold
  • ✓Check oil change frequency

DCT Hesitation & Judder

ModerateGearbox & Transmission

The 7-speed dual-clutch transmission can be hesitant when merging or shudder in traffic. Software updates often help, but hardware wear is possible.

Estimated cost: £0–£1,500Affects: 2017–2022Often appears around: 20,000–50,000 miles

Typical symptoms

  • •Shudder on take-off
  • •Hesitation when accelerating from low speed

What to inspect before you buy

  • ✓Full test drive through urban and motorway speeds
  • ✓TCU update history

Infotainment screen freezing and Bluetooth dropouts

MinorElectrics & Electronics

The touchscreen media unit can lock up, reboot randomly or lose Bluetooth connections, especially on early 2017–2019 cars. Dealers often need to update the software or replace the head-unit SD card to resolve persistent glitches.

Most affected: All Gen 3 i30 models with touchscreen

Estimated cost: £0–£300Affects: 2017–2022Often appears around: Any; more common on 2017–2019 cars

Typical symptoms

  • •Touchscreen not responding or going black mid-drive
  • •Navigation failing to load or freezing
  • •Bluetooth phone or audio dropping out repeatedly

What to inspect before you buy

  • ✓Run the media unit for the full test drive
  • ✓Ask whether software or map updates have been applied
  • ✓Check if the reversing camera display also glitches

Buying Tips for the 2017 Hyundai i30 (Gen 3)

  • ✓On 7DCT automatics, ensure gear changes are smooth and there is no shudder when pulling away.
  • ✓For diesels, check for a "rattle" on cold start which can indicate timing chain wear on the 1.6 CRDi.
  • ✓Inspect the panoramic sunroof (if fitted) for creaks or signs of water ingress.
2022 Hyundai i30 (Gen 3)

Browse 2017–2021 Hyundai i30 (Gen 3) in our Directory

View MOT history, registration data, and reliability scores for 2017–2021 Hyundai i30 (Gen 3) vehicles.

View 2017–2021 Directory

Other Hyundai i30 (Gen 3) Year Periods

2017–202120222023–2024

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