2018 Citroen C4 Cactus MOT pass rate: 80.5% (15,874 tests)
Is the 2018 C4 Cactus getting worse?
Pass rate of 2018-registered cars across recent test years:
| Test year | Pass rate | |
|---|---|---|
| 2023 | 82.8% -5.3 vs same-age |
|
| 2024 | 80.7% -5.5 vs same-age |
|
| 2025 | 77.9% -6.8 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 C4 Cactus
| # | System | Defects recorded | Share |
|---|---|---|---|
| 1 | Visibility | 1,298 | 21.0% |
| 2 | Lamps, reflectors and electrical equipment | 1,228 | 19.8% |
| 3 | Tyres | 1,151 | 18.6% |
| 4 | Brakes | 795 | 12.8% |
| 5 | Suspension | 726 | 11.7% |
| 6 | Body, chassis, structure | 619 | 10.0% |
All C4 Cactus years compared
| Registration year | Tests | Pass rate | Vs same-age | Median mileage |
|---|---|---|---|---|
| 2016 | 10,390 | 72.7% | -8.6 pts | 58,699 |
| 2017 | 17,228 | 77.6% | -6.5 pts | 49,305 |
| 2018 (this page) | 15,874 | 80.5% | -5.9 pts | 41,598 |
| 2019 | 11,625 | 83.8% | -4.6 pts | 33,793 |
| 2020 | 5,639 | 89.9% | -0.0 pts | 23,861 |
- Free MOT history checkThe exact car’s failures, advisories and mileage trail — sellers can’t edit it
- Topdon OBD2 scannersTopdon diagnostic scanners with full-system readouts
- XTOOL diagnostic toolsXTOOL code readers for petrol and diesel cars
- Autel UK testersAutel professional-grade diagnostic testers
FAQs
Is a 2018 Citroen C4 Cactus reliable?
2018-registered examples passed 80.5% of their MOT tests (15,874 tests, 2023–2025), -5.9 points versus all UK cars registered in the same year. At roughly 8 years old with a median 41,598 miles, condition now varies car by car — always check the individual MOT history.
What mileage is too high for a 2018 C4 Cactus?
The median tested example shows 41,598 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.