2018 Fiat 500X MOT pass rate: 86.3% (8,439 tests)
Is the 2018 500X getting worse?
Pass rate of 2018-registered cars across recent test years:
Scroll horizontally to read every trend column.
| Test year | Pass rate | Pass-rate bar |
|---|---|---|
| 2023 | 89.7% +1.6 vs same-age |
89.7% visual scale |
| 2024 | 86.3% +0.1 vs same-age |
86.3% visual scale |
| 2025 | 82.8% -2.0 vs same-age |
82.8% visual scale |
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
Scroll horizontally to read every failure column.
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Tyres | 624 | 32.3% |
| 2 | Suspension | 352 | 18.2% |
| 3 | Lamps, reflectors and electrical equipment | 214 | 11.1% |
| 4 | Steering | 199 | 10.3% |
| 5 | Brakes | 181 | 9.4% |
| 6 | Noise, emissions and leaks | 165 | 8.5% |
All 500X years compared
Scroll horizontally to compare every registration-year column.
| Registration year | Tests | Pass rate | Vs same-age | Median 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.
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
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.
Before you agree to the work
A fault or an advisory is a quote waiting to happen. These pages set out what a garage has to tell you, what a comparable written quote should include, and what you can do if the bill is not what you agreed.
- When a repair costs more than the car — what a comparable quote should include, plus any verified UK figures we have sourced.
- Estimates, quotes and extra work — what a price has to cover, and when a garage may charge more than it first said.
- What a diagnostic test costs — what the fee should include, and when it should come off the repair.
- Tools — when to buy and when to skip — how to choose a diagnostic tool, and when a garage visit is cheaper than owning one.
- Choosing a garage you can check — what to verify before you hand over the keys.
- Your rights after a car repair — what to do when the work is not right, and how to put it in writing.
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 the Open Government Licence v3.0.