Infiniti Q30: MOT pass rate and reliability data

The Infiniti Q30 passes its MOT first time more often than the average UK car, by 8.5 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 4,900 individual Infiniti Q30 tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate85.2%
UK national average76.7%
Difference+8.5 points
Tests analysed4,900
Average mileage at test59,240 miles
Average year of manufacture2017
Reliability rank1,230 of 2,005 models

What this means if you are buying one

A 85.2% first-time pass rate means roughly 15 in every 100 Infiniti Q30s presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Infiniti Q30 tested had covered 59,240 miles and was built around 2017.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Infiniti Q30 bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Infiniti Q30 rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Infiniti Q30s actually sold for at UK salvage auction.

Most common MOT failures on a Infiniti Q30

  1. A headlamp or light source missing, inoperative or more than ½ not functioning in the case of LED, 1.3% of tests (1.46x the national rate for this defect)
  2. An SRS malfunction indicator lamp (MIL) indicates a system malfunction, 0.4% of tests (1.37x the national rate for this defect)
  3. A suspension joint dust cover missing or no longer prevents the ingress of dirt etc, 1.7% of tests (1.29x the national rate for this defect)
  4. Brake disc or drum significantly and obviously worn, 0.7% of tests (1.24x the national rate for this defect)
  5. Tyre tread depth not in accordance with the requirements, 2.3% of tests
  6. A spring or spring component fractured or seriously weakened, 1.7% of tests
  7. A tyre seriously damaged, 1.5% of tests
  8. a brake lining or pad worn below 1.5mm, 1.4% of tests
  9. Engine MIL illuminated indicating a malfunction, 0.7% of tests
  10. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.7% of tests

From 7,786 DVSA-tracked Infiniti Q30 tests, 2024. DVSA testers marked 5.88% of these flagged Infiniti Q30 defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Infiniti Q30 pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Infiniti Q30 year:

Infiniti Q30 by fuel type

Diesel and petrol versions of the same car fail on different things, so the fuel type moves the number:

Other Infiniti models

Models with a similar pass rate

If this car is a salvage or write-off

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Infiniti Q30 MOT pass rate badge: 85.2%

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All 2,005 models ranked by MOT pass rate