Vauxhall Agila 2004: MOT failure rate for its age

40.0% of 10,911 MOT tests of the Vauxhall Agila first registered in 2004 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 93.9 (95% CI 91.1–96.6; 100 = normal for this model at that age): the 2004 Vauxhall Agila fails less often than other build years of the same model at the same age.

Vauxhall Agila built in 2004 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	40.0	%	all ages tested	2019–2024	10911
Index against this model at the same age (95% CI 91.1–96.6)	93.9	index	100 = normal for this model at that age	2019–2024	10911
Rank among this model's 16 build years	6	of 16	1 = fails least for its age	2019–2024	10911
Tested in 2024	1174	tests	median 71,392 miles	2024	1174

Built 2004 against Vauxhall Agila normal for the age: first-time MOT failure share at each age, age 15: 39.1% vs 46.1%; age 16: 38.6% vs 41.9%; age 17: 39.2% vs 41.3%; age 18: 41.8% vs 41.1%; age 19: 41.5% vs 41.1%; age 20: 41.2% vs 42%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.

Check a 2004 Vauxhall Agila by registration · All Vauxhall Agila 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 2004 Vauxhall Agila fail at each age?

Cars built in 2004 were tested at ages 15 to 20 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.

Vauxhall Agila built 2004: 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)
15	2,628	39.1	37.3–41	46.1	84.8
16	2,140	38.6	36.6–40.7	41.9	92.3
17	1,906	39.2	37–41.4	41.3	94.9
18	1,635	41.8	39.4–44.2	41.1	101.7
19	1,428	41.5	39–44.1	41.1	101
20	1,174	41.2	38.4–44.1	42	98.2

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 10,911 (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 2004 Vauxhall Agila?

The most common failure group on cars built in 2004 is suspension: 21.8 items per 100 first tests, against 26 across all build years of the Vauxhall Agila. These counts are not age-adjusted: cars built in 2004 were tested at ages 15 to 20.

Failure items per 100 first tests, Vauxhall Agila built 2004 against the Vauxhall Agila in all build years (2019–2024, not age-adjusted)
Failure group	Built 2004, per 100	All build years, per 100	Items
Suspension	21.8	26	2,384
Brakes	19.6	20.6	2,144
Lamps, reflectors and electrical equipment	14.8	12.1	1,617
Visibility	12.5	10.8	1,363
Tyres	11.9	7.8	1,300

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 10,911 (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 2004 compare with the years around it?

Among the 16 published build years of the Vauxhall Agila, 2004 ranks 6 (1 = fails least for its age). 2003: index 99.0. 2005: index 95.7.

Vauxhall Agila build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2000	104.2	98.4–110.1	no different (rough estimate)	2,596
2001	100.0	96.2–103.7	no different	6,184
2002	102.2	98.6–105.8	no different	7,053
2003	99.0	96.3–101.7	no different	12,296
2004	93.9	91.1–96.6	better	10,911
2005	95.7	92.9–98.6	better	10,467
2006	89.3	86.3–92.3	better	9,422
2007	90.0	86.8–93.3	better	7,893
2008	108.4	106.2–110.7	worse	20,464
2009	108.1	106.4–109.8	worse	36,790
2010	103.5	101.4–105.7	worse	24,445
2011	104.3	102.2–106.5	worse	26,784
2012	95.2	92.9–97.4	better	24,681
2013	91.3	88.8–93.9	better	21,250
2014	87.6	84.9–90.3	better	21,327
2015	80.5	68.3–92.8	better (rough estimate)	1,067

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 243,630 (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). Vauxhall Agila 2004 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/vauxhall-agila/2004/

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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