Common Problems with the
2019–2020 Infiniti Q30 / QX30

We've identified 2 known issues that can affect the 2019–2020 Infiniti Q30 / QX30. 1 of these are serious faults that could be expensive to repair.

Known Issues

Serious

Moderate

Minor

The 2019–2020 period has an average number of reported issues compared to other Infiniti Q30 / QX30 year periods.

All Known Issues

OM651 Diesel Timing Chain Tensioner

SeriousEngine

The 2.1-litre diesel engine (badged as 2.2d) is known for timing chain tensioner wear. If left unaddressed, the chain can stretch or snap, leading to catastrophic engine failure.

Most affected: 2.2d

Estimated cost: £800–£1,500Affects: 2015–2020Often appears around: 70,000+ miles

Typical symptoms

•Rattling sound from the engine on cold start
•Check engine light
•Rough idling

What to inspect before you buy

✓Listen carefully for a metallic "clacking" sound for the first few seconds after a cold start

Suspension Component Wear

MinorSuspension & Chassis

Shared with the GLA, the front suspension bushes and drop links can wear prematurely, leading to knocks and vague steering.

Estimated cost: £150–£350Affects: 2015–2020Often appears around: 30,000+ miles

Typical symptoms

•Knocking noise over speed bumps
•Uneven tyre wear
•Slight pulling to one side

What to inspect before you buy

✓Listen for knocks during the test drive
✓Inspect front tyres for uneven wear patterns

Buying Tips for the 2019 Infiniti Q30 / QX30

✓Pay close attention to the 7-speed DCT gearbox; it should shift smoothly. Any hesitation or "clunking" could indicate a failing sensor or actuator.
✓Check the ride quality; models on larger 19-inch wheels can be quite harsh on UK roads.
✓Verify the history of the 2.1L diesel (2.2d); it requires specific oil and timely maintenance to avoid timing chain issues.

2015–2018 Infiniti Q30 / QX30