Toyota Auris 2018: MOT failure rate for its age

16.3% of 55,626 MOT tests of the Toyota Auris 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 108.5 (95% CI 106.2–110.7; 100 = normal for this model at that age): the 2018 Toyota Auris fails more often than other build years of the same model at the same age.

Toyota Auris built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	16.3	%	all ages tested	2019–2024	55626
Index against this model at the same age (95% CI 106.2–110.7)	108.5	index	100 = normal for this model at that age	2019–2024	55626
Rank among this model's 14 build years	11	of 14	1 = fails least for its age	2019–2024	55626
Tested in 2024	13809	tests	median 53,824 miles	2024	13809

Built 2018 against Toyota Auris normal for the age: first-time MOT failure share at each age, age 3: 13.6% vs 12.3%; age 4: 15.8% vs 14.5%; age 5: 17.4% vs 16.5%; age 6: 18.5% vs 16.9%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Toyota Auris by registration · All Toyota Auris 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 Toyota Auris 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.

Toyota Auris built 2018: first-time MOT failure by age, against the model's normal rate at that age (2019–2024)
Age	Tests	Failed, %	95% interval	Normal for this model at that age, %	Index (100 = normal)
3	13,939	13.6	13.1–14.2	12.3	110.6
4	13,998	15.8	15.2–16.4	14.5	108.5
5	13,880	17.4	16.8–18	16.5	105.7
6	13,809	18.5	17.8–19.1	16.9	109.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 55,626 (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 Toyota Auris?

The most common failure group on cars built in 2018 is lamps, reflectors and electrical equipment: 8.2 items per 100 first tests, against 16 across all build years of the Toyota Auris. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Toyota Auris built 2018 against the Toyota Auris in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	8.2	16	4,990
Tyres	5.7	6.4	3,456
Visibility	4	6.5	2,444
Brakes	2.1	11	1,251
Suspension	1.6	8.7	974

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 60,634 (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 14 published build years of the Toyota Auris, 2018 ranks 11 (1 = fails least for its age). 2017: index 97.6. 2019: index 120.4.

Toyota Auris build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2006	92.5	76.4–108.6	no different (rough estimate)	356
2007	100.5	99.4–101.7	no different	78,387
2008	103.7	102.5–104.8	worse	78,707
2009	102.5	101.2–103.8	worse	70,950
2010	103.5	102.0–105.0	worse	59,126
2011	109.5	107.9–111.1	worse	57,390
2012	110.6	108.8–112.4	worse	51,171
2013	87.9	86.6–89.3	better	84,877
2014	94.6	93.3–95.9	better	104,667
2015	95.1	93.8–96.5	better	105,935
2016	98.7	97.2–100.2	no different	95,244
2017	97.6	95.8–99.4	better	73,683
2018	108.5	106.2–110.7	worse	55,626
2019	120.4	111.1–129.6	worse (rough estimate)	3,776

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 919,895 (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). Toyota Auris 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/toyota-auris/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.

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