MOT failure data · 2025

Fiat 500X MOT problems

Across every Fiat 500X that failed its 2025 MOT, the defect testers recorded most often was track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt, on 16.05% of failure items. The broadest problem area was steering at 23.69%. These are recorded defects across the model, not a diagnosis of any one car.

Most common Fiat 500X MOT failures

#Recorded defect AreaShare
1 Track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt Steering 16.05%
2 Position lamp not working Lamps, reflectors and electrical equipment 10.45%
3 Tread depth tread depth below requirements of 1.6mm Tyres 6.9%
4 Linkage ball joints ball joint excessively worn Suspension 4.4%
5 Track rod end ball joint has excessive play Steering 4.24%
6 Malfunction indicator lamp inoperative or indicates a malfunction Noise, emissions and leaks 4.11%
7 Condition has a cut in excess of the requirements deep enough to reach the ply or cords Tyres 3.35%
8 Condition has ply or cords exposed Tyres 3.2%
9 Brake pads less than 1.5 mm thick Brakes 3.04%
10 Pins and bushes pin or bush excessively worn Suspension 2.91%

Shares are of all recorded failure items for this model, so they sum to less than 100% — a single failed test often records several defects, and the long tail below the top 10 is not shown.

What this means if you are buying one

Use it as a viewing checklist. If you are looking at a Fiat 500X, these are the areas worth inspecting and worth asking about — and worth reading the car's own MOT history for, since a defect that keeps reappearing as an advisory is a better signal than any model-wide average.

The MOT record also has hard limits: it does not check the engine, clutch or gearbox, and it says nothing about outstanding finance, insurance write-off history, stolen markers or whether the mileage is genuine. Our used Fiat 500X buying guide covers what to check beyond the MOT.

Checking a specific Fiat 500X?

Enter its registration for finance, write-off, stolen, mileage and keeper history.

Free MOT history is available too — the £15 report adds finance, write-off, stolen and mileage checks.

Other Fiat models

Fiat 500X MOT FAQs

What does a Fiat 500X most commonly fail its MOT on?

The single most recorded defect on Fiat 500X cars failing their 2025 MOT was "track rod end ball joint dust cover excessively damaged or deteriorated so that it no longer prevents the ingress of dirt", appearing on 16.05% of failure items.

Does this mean my Fiat 500X will fail?

No. This is what testers recorded across every Fiat 500X that failed in 2025. It shows where this model tends to need attention, not the condition of any individual car. The Fiat 500X passed 77.07% of its initial tests.

How do I see a specific Fiat 500X's MOT history?

Enter its registration on our free MOT history check to see that car's own test results, advisories and recorded mileages.

See also: Fiat 500X MOT pass rate · used Fiat 500X buying guide · free MOT history check

Defect counts from the DVSA MOT Anonymised test-item data for 2025 (class 4 initial tests, failure items only — advisories and minor defects excluded), licensed under the Open Government Licence v3.0.