Lexus UX 2020: MOT failure rate for its age
5.9% of 7,918 MOT tests of the Lexus UX 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 103.9 (95% CI 94.4–113.3; 100 = normal for this model at that age): the 2020 build year is no different from other years of the same model at the same age.
| Measure | Value | Unit | Compared with | Years | Tests |
|---|---|---|---|---|---|
| Failed first time | 5.9 | % | all ages tested | 2019–2024 | 7918 |
| Index against this model at the same age (95% CI 94.4–113.3) | 103.9 | index | 100 = normal for this model at that age | 2019–2024 | 7918 |
| Rank among this model's 2 build years | 2 | of 2 | 1 = fails least for its age | 2019–2024 | 7918 |
| Tested in 2024 | 3892 | tests | median 26,876 miles | 2024 | 3892 |
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 30 Sep 2026 · full dataset (v5).
How does the 2020 Lexus UX 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.
| Age | Tests | Failed, % | 95% interval | Normal for this model at that age, % | Index (100 = normal) |
|---|---|---|---|---|---|
| 3 | 4,026 | 5.4 | 4.8–6.2 | 5.3 | 102 |
| 4 | 3,892 | 6.3 | 5.6–7.2 | 6 | 105.6 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 7,918 (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 Lexus UX?
The most common failure group on cars built in 2020 is visibility: 4.5 items per 100 first tests, against 3.9 across all build years of the Lexus UX. These counts are not age-adjusted: cars built in 2020 were tested at ages 3 to 4.
| Failure group | Built 2020, per 100 | All build years, per 100 | Items |
|---|---|---|---|
| Visibility | 4.5 | 3.9 | 362 |
| Tyres | 3.4 | 3.3 | 274 |
| Lamps, reflectors and electrical equipment | 0.5 | 0.4 | 39 |
| Brakes | 0.4 | 0.4 | 30 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 8,080 (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 2 published build years of the Lexus UX, 2020 ranks 2 (1 = fails least for its age). 2019: index 101.1.
| Build year | Index (100 = normal) | 95% interval | Verdict | Tests |
|---|---|---|---|---|
| 2019 | 101.1 | 93.2–109.1 | no different | 10,292 |
| 2020 | 103.9 | 94.4–113.3 | no different | 7,918 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 18,210 (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). Lexus UX 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/lexus-ux/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
Lexus UX 2019 · Lexus UX by postcode area · Lexus UX brakes failures · Lexus UX vehicle identification failures · Lexus UX lamps, reflectors and electrics failures · Lexus UX tyres failures · Lexus UX visibility failures