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Dacia Duster 2020: MOT failure rate for its age

18.1% of 16,780 MOT tests of the Dacia Duster first registered in 2020 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 111.4 (95% CI 107.4–115.4; 100 = normal for this model at that age): the 2020 Dacia Duster fails more often than other build years of the same model at the same age.

Dacia Duster built in 2020 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time18.1%all ages tested2019–202416780
Index against this model at the same age (95% CI 107.4–115.4)111.4index100 = normal for this model at that age2019–202416780
Rank among this model's 8 build years8of 81 = fails least for its age2019–202416780
Tested in 20248341testsmedian 28,192 miles20248341
line · Dacia Duster built 2020 · first-time MOT failure share by age · built 2020 16.3% vs model normal 15% at age 3 · 2019–2024
Built 2020 against Dacia Duster normal for the age: first-time MOT failure share at each age, age 3: 16.3% vs 15%; age 4: 19.9% vs 17.4%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).

How does the 2020 Dacia Duster fail at each age?

Cars built in 2020 were tested at ages 3 to 4 between 2019 and 2024. Each row compares their first-time failure share with what this model normally shows at that age, after allowing for the overall failure level of each test year.

Dacia Duster built 2020: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
AgeTestsFailed, %95% intervalNormal for this model at that age, %Index (100 = normal)
38,43916.315.5–17.115108.4
48,34119.919–20.717.4114

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 16,780 (initial tests) · Method: normal rate = this model's first-time failure share at that age across its build years (cells of 400+ tests), adjusted for each test year's overall level; cells of 30+ tests, under 500 marked rough · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

What fails most on the 2020 Dacia Duster?

The most common failure group on cars built in 2020 is lamps, reflectors and electrical equipment: 7.6 items per 100 first tests, against 11.9 across all build years of the Dacia Duster. These counts are not age-adjusted: cars built in 2020 were tested at ages 3 to 4.

Failure items per 100 first tests, Dacia Duster built 2020 against the Dacia Duster in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2020, per 100All build years, per 100Items
Lamps, reflectors and electrical equipment7.611.91,302
Tyres4.95.4848
Visibility4.77.5812
Brakes2.39394
Body, chassis, structure0.82.7145

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 17,191 (initial tests of this build year) · Method: failure items grouped by DVSA's top-level defect groups, per 100 initial tests; groups with 30+ items · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How does 2020 compare with the years around it?

Among the 8 published build years of the Dacia Duster, 2020 ranks 8 (1 = fails least for its age). 2019: index 109.9.

Dacia Duster build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
2013106.4104.7–108.1worse40,531
2014104.7102.8–106.7worse35,302
201596.194.2–98.1better35,661
201693.291.3–95.1better42,568
201789.787.5–91.8better33,661
2018103.0100.6–105.4worse34,723
2019109.9107.7–112.2worse45,376
2020111.4107.4–115.4worse16,780

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 284,602 (initial tests) · Method: observed failures against those expected for the same model at the same ages, test-year level adjusted; verdict follows the printed one-decimal bound · Updated: 30 Sep 2026 · Release: dvsa-2024-v2 · CSV

How to cite this page

MOT Risk Index (2026). Dacia Duster 2020 MOT statistics (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 30 September 2026. motriskindex.co.uk/cars/dacia-duster/2020/

How every figure is calculated: methodology. Age, test year and build year are tied together (age = test year − build year), so the test-year level is taken as observed, not estimated.

Other pages for this model

Dacia Duster 2013 · Dacia Duster 2014 · Dacia Duster 2015 · Dacia Duster 2016 · Dacia Duster 2017 · Dacia Duster 2018 · Dacia Duster 2019 · Dacia Duster in Norway · Dacia Duster in Finland · Dacia Duster in the Netherlands · Dacia Duster by postcode area · Dacia Duster body, chassis and structure failures · Dacia Duster brakes failures · Dacia Duster vehicle identification failures · Dacia Duster lamps, reflectors and electrics failures · Dacia Duster noise, emissions and leaks failures · Dacia Duster road wheels failures · Dacia Duster seat belts and airbags failures · Dacia Duster steering failures · Dacia Duster suspension failures · Dacia Duster tyres failures · Dacia Duster visibility failures