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Audi Q3 2018: MOT failure rate for its age

10.4% of 51,278 MOT tests of the Audi Q3 first registered in 2018 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 102.0 (95% CI 99.3–104.7; 100 = normal for this model at that age): the 2018 build year is no different from other years of the same model at the same age.

Audi Q3 built in 2018 at a glance
MeasureValueUnitCompared withYearsTests
Failed first time10.4%all ages tested2019–202451278
Index against this model at the same age (95% CI 99.3–104.7)102.0index100 = normal for this model at that age2019–202451278
Rank among this model's 10 build years6of 101 = fails least for its age2019–202451278
Tested in 202412629testsmedian 44,497 miles202412629
line · Audi Q3 built 2018 · first-time MOT failure share by age · built 2018 8.9% vs model normal 8.3% at age 3 · 2019–2024
Built 2018 against Audi Q3 normal for the age: first-time MOT failure share at each age, age 3: 8.9% vs 8.3%; age 4: 9.5% vs 8.8%; age 5: 10.8% vs 10.6%; age 6: 12.6% vs 13.2%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.
Check a 2018 Audi Q3 by registration · All Audi Q3 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 2018 Audi Q3 fail at each age?

Cars built in 2018 were tested at ages 3 to 6 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.

Audi Q3 built 2018: 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)
313,1718.98.4–9.48.3107.3
412,8489.59–108.8107.5
512,63010.810.2–11.310.6101.4
612,62912.612–13.213.295.3

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 51,278 (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 2018 Audi Q3?

The most common failure group on cars built in 2018 is tyres: 6.1 items per 100 first tests, against 7.2 across all build years of the Audi Q3. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Audi Q3 built 2018 against the Audi Q3 in all build years (2019–2024, not age-adjusted)
Failure groupBuilt 2018, per 100All build years, per 100Items
Tyres6.17.23,137
Visibility3.13.91,628
Noise, emissions and leaks2.21.31,161
Lamps, reflectors and electrical equipment23.11,022
Brakes1.92.91,009

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 51,849 (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 2018 compare with the years around it?

Among the 10 published build years of the Audi Q3, 2018 ranks 6 (1 = fails least for its age). 2017: index 94.2. 2019: index 90.4.

Audi Q3 build years: index against the model at the same age (2019–2024)
Build yearIndex (100 = normal)95% intervalVerdictTests
201191.985.0–98.9better (rough estimate)2,957
2012105.4103.3–107.5worse40,441
2013104.8103.1–106.5worse70,534
2014102.5100.8–104.1worse83,140
2015101.199.4–102.8no different86,007
2016103.6101.9–105.4worse101,230
201794.292.3–96.1better85,511
2018102.099.3–104.7no different51,278
201990.487.4–93.4better42,602
202088.484.4–92.3better25,662

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 589,362 (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). Audi Q3 2018 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/audi-q3/2018/

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

Audi Q3 2011 · Audi Q3 2012 · Audi Q3 2013 · Audi Q3 2014 · Audi Q3 2015 · Audi Q3 2016 · Audi Q3 2017 · Audi Q3 2019 · Audi Q3 2020 · Audi Q3 in Norway · Audi Q3 in Finland · Audi Q3 in the Netherlands · Audi Q3 by postcode area · Audi Q3 body, chassis and structure failures · Audi Q3 brakes failures · Audi Q3 vehicle identification failures · Audi Q3 lamps, reflectors and electrics failures · Audi Q3 noise, emissions and leaks failures · Audi Q3 road wheels failures · Audi Q3 seat belts and airbags failures · Audi Q3 steering failures · Audi Q3 suspension failures · Audi Q3 tyres failures · Audi Q3 visibility failures