2021 Citroen C4 Shine Puretech S/S — MOT failures & pass rate

Across 2,885 MOT tests analysed for the 2021 Citroen C4 Shine Puretech S/S, the most common recorded failure areas were visibility, suspension and tyres. Its pass rate of 86.1% was below the average for cars of a similar age (91.2%). Higher-mileage examples failed more often — 20.8% in the 60-90k group versus 9.9% in the 0-30k group.

Pass rate

2,885

MOT tests analysed

13.9%

Fail rate

worse than

vs cars of similar age

3.5

Avg age at test (yrs)

How it compares

Fail rate for this model-year against the segment and national averages for cars of a similar age.

Top failure categories

Most common MOT failure areas — 2021 Citroen C4 Shine Puretech S/S
#	Category	% of tests affected	Tests
1	Visibility	9.2%	265
2	Suspension	4.8%	137
3	Tyres	3.3%	95
4	Brakes	2.7%	78
5	Lighting & signalling	1.4%	40
6	Body, structure & corrosion	0.7%	19

Percentage of tests with at least one failure recorded in each category.

Most common specific failures

The exact components most often recorded as failures — more specific than the categories above.

Most frequently recorded failure items — 2021 Citroen C4 Shine Puretech S/S
#	Failure item	Times recorded
1	Wipers	232
2	Washers	114
3	Linkage ball joint dust cover	61
4	Ball joint	54
5	Brake pads	54
6	Brake discs	38

Top advisory categories

Advisories aren't failures, but they flag work likely needed soon — useful when budgeting.

Most common MOT advisories — 2021 Citroen C4 Shine Puretech S/S
#	Category	% of tests with advisory	Tests
1	Tyres	20.7%	596
2	Brakes	18.3%	527
3	Other defects	6.0%	174
4	Suspension	5.7%	165
5	Visibility	4.3%	123
6	Body, structure & corrosion	2.6%	76

Failure rate by mileage

Higher-mileage cars tend to fail more — often the most useful guide to real condition.

MOT fail rate by recorded mileage band.

Fail rate by recorded mileage — 2021 C4 Shine Puretech S/S
Mileage band	Tests	Fail rate
0-30k	1,632	9.9%
30-60k	1,173	19.0%
60-90k	77	20.8%

Failure rate by age

How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2021 C4 Shine Puretech S/S
Dataset year	Tests	Fail rate
2023	53	13.2%
2024	1,402	12.8%
2025	1,430	14.9%

What to check before buying a 2021 C4 Shine Puretech S/S

Before buying a 2021 Citroen C4 Shine Puretech S/S, focus on the areas it most often fails on. Visibility accounted for 9.2% of tests for this year.

Visibility (9.2% 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 (4.8% 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 (3.3% 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 Shine Puretech S/Ss pass their MOT?

86.1% of the 2,885 2021 Citroen C4 Shine Puretech S/S MOT tests in this dataset passed — a 13.9% fail rate.

What is the most common MOT failure on a 2021 Citroen C4 Shine Puretech S/S?

Visibility, recorded in 9.2% of tests, followed by suspension (4.8%).

Does the 2021 C4 Shine Puretech S/S get worse with mileage?

Its MOT fail rate rises from 9.9% in the 0-30k band to 20.8% in the 60-90k band.

Methodology & source. Based on 2,885 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.