MOT fail rates
Citroen C4 Cactus MOT fail rate by age
How often the Citroen C4 Cactus fails its MOT at each age, compared with all cars of the same age, and what it fails on. From 82,843 DVSA MOT tests taken 2022 to 2025.
MOT data updated
At 6 years, the most tested age
306 of 340 model groups with enough tests fail less often at 6 years.
What stands out
- At 3 years the Citroen C4 Cactus fails 12.1% of MOTs (6,355 tests), about the same as the 12.1% for all cars that age. At 9 years it fails 37.9% (3,929 tests), 10.7 points above the 27.1% average.
- The gap is widest at 8 years: 10.8 points above all cars.
- Its most common structural or mechanical fail item at 6 years: Driveshaft CV boot split, at 3 per 100 MOTs.
MOT fail rate by age
Solid line: this model. Dashed line: all cars at the same age.
| Age | MOT fail rate | Tests (n) | All cars | Difference | Median mileage |
|---|---|---|---|---|---|
| 3 years | 12.1% | 6,355 | 12.1% | +0.1 pts | 19,799 miles |
| 4 years | 16.3% | 11,690 | 13.4% | +2.9 pts | 27,232 miles |
| 5 years | 23.0% | 17,209 | 15.3% | +7.6 pts | 34,481 miles |
| 6 years | 26.4% | 18,697 | 17.8% | +8.6 pts | 42,558 miles |
| 7 years | 30.5% | 15,190 | 20.6% | +9.8 pts | 49,830 miles |
| 8 years | 34.6% | 9,773 | 23.8% | +10.8 pts | 57,363 miles |
| 9 years | 37.9% | 3,929 | 27.1% | +10.7 pts | 65,235 miles |
Most common fail items at 6 years
Split into structural or mechanical items and wear items. Wear items (tyres, brake pads, wipers, bulbs) say more about upkeep than about the design.
Structural and mechanical
| Fail item | Per 100 MOTs |
|---|---|
| Driveshaft CV boot split Major | 3 |
| Exhaust system: system insecure Major | 1.8 |
Out of 18,697 MOTs. A test with two faults counts twice.
Wear and upkeep
| Fail item | Per 100 MOTs |
|---|---|
| Wipers not clearing screen Major | 7.4 |
| Tyre tread below 1.6 mm Dangerous | 3.6 |
| Dipped headlight not working Major | 3.1 |
| Washers: provides insufficient washer liquid Major | 2.2 |
| Registration plate lamp(s): inoperative in the case of a single lamp or all lamps Major | 1.9 |
| Headlamp aim: too low Major | 1.6 |
| Brake pads under 1.5 mm Dangerous | 1.6 |
| Headlamp aim: projected beam image is obviously incorrect Major | 1.5 |
Out of 18,697 MOTs. A test with two faults counts twice.
Other models at 6 years
| Model | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|
| Citroen C3 | 20.2% | 54,331 | 17.8% |
| Citroen C1 | 17.0% | 40,127 | 17.8% |
| Citroen C4 | 26.2% | 26,517 | 17.8% |
MOT fail rate by first-use year
Each year has its own page: the fail rate for cars first used that year at each MOT from 2022 to 2025 with at least 1,000 tests, the most common faults at that age, and the car tax and ULEZ rules for that year.
First-use year data updated .
More on the Citroen C4 Cactus
Looking at one Citroen C4 Cactus?
These are figures for the model, not for one car. The VetTheCar Buying Report looks at a single car: its MOT tests, defects, advisories and mileage readings.
Source
Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 22 September 2026.
Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources