2021 Citroen C4 Sense + Puretech S/S Auto — MOT failures & pass rate
Across 978 MOT tests analysed for the 2021 Citroen C4 Sense + Puretech S/S Auto, the most common recorded failure areas were visibility, suspension and tyres. Its pass rate of 86.0% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 17.1% in the 60-90k group versus 11.2% in the 0-30k group.
How it compares
Top failure categories
| # | Category | % of tests affected | Tests |
|---|---|---|---|
| 1 | Visibility | 9.5% | 93 |
| 2 | Suspension | 5.1% | 50 |
| 3 | Tyres | 2.7% | 26 |
| 4 | Lighting & signalling | 1.6% | 16 |
| 5 | Brakes | 1.3% | 13 |
| 6 | Seat belts & restraints | 0.7% | 7 |
Most common specific failures
The exact components most often recorded as failures — more specific than the categories above.
| # | Failure item | Times recorded |
|---|---|---|
| 1 | Wipers | 72 |
| 2 | Washers | 56 |
| 3 | Ball joint | 25 |
| 4 | Linkage ball joint dust cover | 24 |
| 5 | Brake pads | 13 |
| 6 | Ball joint dust cover | 11 |
Top advisory categories
Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.
| # | Category | % of tests with advisory | Tests |
|---|---|---|---|
| 1 | Tyres | 24.9% | 244 |
| 2 | Brakes | 14.6% | 143 |
| 3 | Other defects | 7.1% | 69 |
| 4 | Suspension | 6.7% | 65 |
| 5 | Visibility | 3.8% | 37 |
| 6 | Road wheels | 0.5% | 5 |
Failure rate by mileage
Higher-mileage cars tend to fail more — often the most useful guide to real condition.
| Mileage band | Tests | Fail rate |
|---|---|---|
| 0-30k | 547 | 11.2% |
| 30-60k | 390 | 17.7% |
| 60-90k | 41 | 17.1% |
Failure rate by age
Trend over time
| Dataset year | Tests | Fail rate |
|---|---|---|
| 2024 | 501 | 15.4% |
| 2025 | 464 | 12.5% |
What to check before buying a 2021 C4 Sense + Puretech S/S Auto
Before buying a 2021 Citroen C4 Sense + Puretech S/S Auto, focus on the areas it most often fails on. Visibility accounted for 9.5% of tests for this year.
- Visibility (9.5% of tests): Wipers, washers, mirrors and screen damage — usually inexpensive, but check for chips in the driver's line of sight. Typical repair: £15–£150.
- Suspension (5.1% of tests): Worn drop links, bushes, springs or shocks — listen for knocks over bumps and check for uneven tyre wear. Typical repair: £150–£450 per corner.
- Tyres (2.7% of tests): Usually a quick, known-cost fix, but check tread, age and uneven wear (which can hint at alignment or suspension issues). Typical repair: £50–£120 per tyre.
Repair costs are rough UK ballpark ranges to set expectations, not quotes — actual prices vary widely by car, parts and garage.
Frequently asked questions
How many 2021 Citroen C4 Sense + Puretech S/S Autos pass their MOT?
86.0% of the 978 2021 Citroen C4 Sense + Puretech S/S Auto MOT tests in this dataset passed — a 14.0% fail rate.
What is the most common MOT failure on a 2021 Citroen C4 Sense + Puretech S/S Auto?
Visibility, recorded in 9.5% of tests, followed by suspension (5.1%).
Does the 2021 C4 Sense + Puretech S/S Auto get worse with mileage?
Its MOT fail rate rises from 11.2% in the 0-30k band to 17.1% in the 60-90k band.
Methodology & source. Based on 978 MOT tests. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.