2021 Ds Ds 3 Crossback Ultra Prstge Ev — MOT failures & pass rate

Across 671 MOT tests analysed for the 2021 Ds Ds 3 Crossback Ultra Prstge Ev, the most common recorded failure areas were visibility, suspension and tyres. Its pass rate of 88.2% was below the average for cars of a similar age (91.2%).

88%
Pass rate
671
MOT tests analysed
11.8%
Fail rate
worse than
vs cars of similar age
3.5
Avg age at test (yrs)

How it compares

Fail rate vs benchmarks (lower is better) 2021 Ds 3 Crossback Ultra Prstge Ev 11.8% cars avg 8.8% National avg 8.6%
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 Ds Ds 3 Crossback Ultra Prstge Ev
# Category % of tests affected Tests
1 Visibility 6.6% 44
2 Suspension 4.9% 33
3 Tyres 3.4% 23
4 Brakes 1.3% 9
5 Lighting & signalling 0.8% 5
Share of tests failing on each category Visibility 6.6% Suspension 4.9% Tyres 3.4% Brakes 1.3% Lighting & signalling 0.8%
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 Ds Ds 3 Crossback Ultra Prstge Ev
#Failure itemTimes recorded
1Wipers55
2Tread depth16
3Ball joint15
4Linkage ball joint dust cover14
5Headlamp aim6
6Ball joint dust cover6

Top advisory categories

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

Most common MOT advisories — 2021 Ds Ds 3 Crossback Ultra Prstge Ev
# Category % of tests with advisory Tests
1 Tyres 22.9% 154
2 Suspension 6.4% 43
3 Other defects 6.1% 41
4 Brakes 5.7% 38
5 Visibility 2.7% 18
6 Lighting & signalling 0.1% 1

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 0-30k 10.2% 30-60k 14.7%
MOT fail rate by recorded mileage band.
Fail rate by recorded mileage — 2021 Ds 3 Crossback Ultra Prstge Ev
Mileage band Tests Fail rate
0-30k 471 10.2%
30-60k 191 14.7%

Failure rate by age

MOT fail rate by vehicle age at test 3 yrs 9.8% 4 yrs 14.3%
How this model-year's MOT fail rate climbs as the cars get older.

Trend over time

Fail rate by dataset year — 2021 Ds 3 Crossback Ultra Prstge Ev
Dataset year Tests Fail rate
2024 316 9.8%
2025 336 14.3%

What to check before buying a 2021 Ds 3 Crossback Ultra Prstge Ev

Before buying a 2021 Ds Ds 3 Crossback Ultra Prstge Ev, focus on the areas it most often fails on. Visibility accounted for 6.6% of tests for this year.

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 Ds Ds 3 Crossback Ultra Prstge Evs pass their MOT?

88.2% of the 671 2021 Ds Ds 3 Crossback Ultra Prstge Ev MOT tests in this dataset passed — a 11.8% fail rate.

What is the most common MOT failure on a 2021 Ds Ds 3 Crossback Ultra Prstge Ev?

Visibility, recorded in 6.6% of tests, followed by suspension (4.9%).

Does the 2021 Ds 3 Crossback Ultra Prstge Ev get worse with mileage?

Its MOT fail rate rises from 10.2% in the 0-30k band to 14.7% in the 30-60k band.

Methodology & source. Based on 671 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.

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