2018 Fiat 500X MOT pass rate: 86.3% (8,439 tests)

2018-registered Fiat 500Xs passed 86.3% of 8,439 MOT tests in 2023–2025 — broadly in line with same-age cars (86.3%).
86.3%Pass rate, 2018 cars
99.9Age-adjusted index (100 = average)
8,439Tests analysed
37,679 miMedian mileage at test
86.6% / 84.4%Petrol vs diesel pass rate

Is the 2018 500X getting worse?

Pass rate of 2018-registered cars across recent test years:

Test yearPass rate
202389.7%
+1.6 vs same-age
202486.3%
+0.1 vs same-age
202582.8%
-2.0 vs same-age

The raw rate normally falls as cars age. The “vs same-age” figure compares this cohort with all UK cars registered in the same year, so normal ageing is not mistaken for a bad model year.

What fails on a 2018 500X

#SystemDefects recordedShare
1Tyres62432.3%
2Suspension35218.2%
3Lamps, reflectors and electrical equipment21411.1%
4Steering19910.3%
5Brakes1819.4%
6Noise, emissions and leaks1658.5%

All 500X years compared

Registration yearTestsPass rateVs same-ageMedian mileage
2015 21,117 75.2% -3.5 pts 63,105
2016 40,690 76.8% -4.5 pts 55,383
2017 13,919 80.7% -3.3 pts 47,009
2018 (this page) 8,439 86.3% -0.1 pts 37,679
2019 9,179 90.0% +1.6 pts 31,898
2020 4,261 90.8% +0.9 pts 25,246
2021 1,699 90.5% +0.1 pts 29,745

Weighing up which year to buy? See the full ranking: Fiat 500X years to avoid.

Buying a 2018 500X? Two checks first

FAQs

Is a 2018 Fiat 500X reliable?

2018-registered examples passed 86.3% of their MOT tests (8,439 tests, 2023–2025), -0.1 points versus all UK cars registered in the same year. At roughly 8 years old with a median 37,679 miles, condition now varies car by car — always check the individual MOT history.

What mileage is too high for a 2018 500X?

The median tested example shows 37,679 miles. Anything far beyond that isn't automatically bad — a motorway-mile car with consistent service records often beats a low-mileage school-run car — but price accordingly and scrutinise the mileage trail for gaps or drops.

Source: DVSA Anonymised MOT tests and results, 2023–2025 extracts (96 million Class 4 initial tests; retests excluded). Only vehicles old enough for a routine first MOT are included. Age-adjusted figures compare the model-year cohort with all vehicles of the same registration year tested in the same calendar year. Contains public sector information licensed under OGL v3.0.