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Mitsubishi ASX 2017: MOT failure rate for its age

13.4% of 20,995 MOT tests of the Mitsubishi ASX first registered in 2017 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 95.6 (95% CI 92.1–99.1; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).

Mitsubishi ASX built in 2017 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time13.4%all ages tested2019–202420995
Index against this model at the same age (95% CI 92.1–99.1)95.6index100 = normal for this model at that age2019–202420995
Rank among this model's 11 build years4of 111 = fails least for its age2019–202420995
Tested in 20243983testsmedian 51,148 miles20243983
line · Mitsubishi ASX built 2017 · first-time MOT failure share by age · built 2017 9.4% vs model normal 10.1% at age 3 · 2019–2024
Built 2017 against Mitsubishi ASX normal for the age: first-time MOT failure share at each age, age 3: 9.4% vs 10.1%; age 4: 12.4% vs 13%; age 5: 14.3% vs 14.5%; age 6: 13.9% vs 15.4%; age 7: 17.8% vs 17.8%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.
Check a 2017 Mitsubishi ASX by registration · All Mitsubishi ASX 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 2017 Mitsubishi ASX fail at each age?

Cars built in 2017 were tested at ages 3 to 7 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.

Mitsubishi ASX built 2017: 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)
34,9389.48.6–10.310.192.9
44,03312.411.4–13.51395.4
54,04614.313.3–15.414.598.9
63,99513.912.9–1515.490.3
73,98317.816.6–1917.899.6

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 20,995 (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 2017 Mitsubishi ASX?

The most common failure group on cars built in 2017 is brakes: 6 items per 100 first tests, against 12.1 across all build years of the Mitsubishi ASX. These counts are not age-adjusted: cars built in 2017 were tested at ages 3 to 7.

Failure items per 100 first tests, Mitsubishi ASX built 2017 against the Mitsubishi ASX in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2017, per 100All build years, per 100Items
Brakes612.11,260
Visibility5.66.61,187
Tyres4.64.9966
Lamps, reflectors and electrical equipment1.95.6399
Suspension1.79.1354

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 21,128 (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 2017 compare with the years around it?

Among the 11 published build years of the Mitsubishi ASX, 2017 ranks 4 (1 = fails least for its age). 2016: index 97.8. 2018: index 93.4.

Mitsubishi ASX build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
2010106.0102.6–109.4worse11,100
201198.795.6–101.8no different13,875
201295.191.9–98.4better13,494
2013106.0102.6–109.4worse15,065
2014109.6106.6–112.6worse23,005
201599.796.9–102.5no different27,639
201697.894.3–101.3no different19,286
201795.692.1–99.1better20,995
201893.487.8–98.9better8,959
201985.177.7–92.6better4,826
202098.587.9–109.0no different (rough estimate)3,059

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 161,303 (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). Mitsubishi ASX 2017 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/mitsubishi-asx/2017/

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

Mitsubishi ASX 2010 · Mitsubishi ASX 2011 · Mitsubishi ASX 2012 · Mitsubishi ASX 2013 · Mitsubishi ASX 2014 · Mitsubishi ASX 2015 · Mitsubishi ASX 2016 · Mitsubishi ASX 2018 · Mitsubishi ASX 2019 · Mitsubishi ASX 2020 · Mitsubishi ASX in Norway · Mitsubishi ASX in Finland · Mitsubishi ASX in the Netherlands · Mitsubishi ASX by postcode area · Mitsubishi ASX body, chassis and structure failures · Mitsubishi ASX brakes failures · Mitsubishi ASX vehicle identification failures · Mitsubishi ASX lamps, reflectors and electrics failures · Mitsubishi ASX noise, emissions and leaks failures · Mitsubishi ASX road wheels failures · Mitsubishi ASX seat belts and airbags failures · Mitsubishi ASX steering failures · Mitsubishi ASX suspension failures · Mitsubishi ASX tyres failures · Mitsubishi ASX visibility failures