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Nissan Leaf 2014: MOT failure rate for its age

29.4% of 18,566 MOT tests of the Nissan Leaf first registered in 2014 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 111.7 (95% CI 108.7–114.6; 100 = normal for this model at that age): the 2014 Nissan Leaf fails more often than other build years of the same model at the same age.

Nissan Leaf built in 2014 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time29.4%all ages tested2019–202418566
Index against this model at the same age (95% CI 108.7–114.6)111.7index100 = normal for this model at that age2019–202418566
Rank among this model's 10 build years9of 101 = fails least for its age2019–202418566
Tested in 20243030testsmedian 62,220 miles20243030
line · Nissan Leaf built 2014 · first-time MOT failure share by age · built 2014 21.5% vs model normal 17.3% at age 5 · 2019–2024
Built 2014 against Nissan Leaf normal for the age: first-time MOT failure share at each age, age 5: 21.5% vs 17.3%; age 6: 23.7% vs 19.5%; age 7: 27% vs 23.8%; age 8: 31.3% vs 28.6%; age 9: 35.3% vs 33%; age 10: 37.8% vs 36%. Axis from 0% to 40%. DVSA MOT bulk data, 2019–2024.
Check a 2014 Nissan Leaf by registration · All Nissan Leaf MOT statistics · Download the build-year table (CSV)

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

How does the 2014 Nissan Leaf fail at each age?

Cars built in 2014 were tested at ages 5 to 10 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.

Nissan Leaf built 2014: 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)
53,19721.520.1–22.917.3124.6
63,03623.722.2–25.219.5121.7
73,1262725.4–28.623.8113.1
83,11931.329.7–3328.6109.4
93,05835.333.6–3733107
103,03037.836.1–39.536105

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 18,566 (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 2014 Nissan Leaf?

The most common failure group on cars built in 2014 is suspension: 14.5 items per 100 first tests, against 6.3 across all build years of the Nissan Leaf. These counts are not age-adjusted: cars built in 2014 were tested at ages 5 to 10.

Failure items per 100 first tests, Nissan Leaf built 2014 against the Nissan Leaf in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2014, per 100All build years, per 100Items
Suspension14.56.32,691
Brakes13.85.92,554
Tyres11.37.72,101
Visibility8.371,539
Lamps, reflectors and electrical equipment5.43.21,008

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 18,566 (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 2014 compare with the years around it?

Among the 10 published build years of the Nissan Leaf, 2014 ranks 9 (1 = fails least for its age). 2013: index 113.4. 2015: index 104.6.

Nissan Leaf build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
201190.284.2–96.3better (rough estimate)2,759
201288.082.0–94.0better (rough estimate)2,923
2013113.4109.1–117.8worse7,687
2014111.7108.7–114.6worse18,566
2015104.6101.9–107.3worse24,274
2016105.2102.1–108.2worse24,333
201796.493.4–99.4better26,791
201889.686.1–93.1better20,712
201989.084.8–93.2better15,805
202096.391.6–101.0no different15,916

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 159,766 (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). Nissan Leaf 2014 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/nissan-leaf/2014/

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

Nissan Leaf 2011 · Nissan Leaf 2012 · Nissan Leaf 2013 · Nissan Leaf 2015 · Nissan Leaf 2016 · Nissan Leaf 2017 · Nissan Leaf 2018 · Nissan Leaf 2019 · Nissan Leaf 2020 · Nissan Leaf in Finland · Nissan Leaf in Norway · Nissan Leaf in the Netherlands · Nissan Leaf by postcode area · Nissan Leaf body, chassis and structure failures · Nissan Leaf brakes failures · Nissan Leaf vehicle identification failures · Nissan Leaf lamps, reflectors and electrics failures · Nissan Leaf road wheels failures · Nissan Leaf seat belts and airbags failures · Nissan Leaf steering failures · Nissan Leaf suspension failures · Nissan Leaf tyres failures · Nissan Leaf visibility failures