Citroen C8 2009: MOT failure rate for its age

54.7% of 886 MOT tests of the Citroen C8 first registered in 2009 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 97.9 (95% CI 89.2–106.7; 100 = normal for this model at that age): the 2009 build year is no different from other years of the same model at the same age. This is a rough estimate from a smaller sample.

Citroen C8 built in 2009 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	54.7	%	all ages tested	2019–2024	886
Index against this model at the same age (95% CI 89.2–106.7)	97.9	index	100 = normal for this model at that age	2019–2024	886
Rank among this model's 5 build years	3	of 5	1 = fails least for its age	2019–2024	886
Tested in 2024	130	tests	median 110,417 miles	2024	130

Built 2009 against Citroen C8 normal for the age: first-time MOT failure share at each age, age 10: 47.4% vs n/a%; age 11: 54.2% vs 54.8%; age 12: 54.9% vs 59.6%; age 13: 57.1% vs 56.8%; age 14: 54% vs 54.5%; age 15: 53.1% vs 52.2%. Axis from 0% to 60%. DVSA MOT bulk data, 2019–2024.

Check a 2009 Citroen C8 by registration · All Citroen C8 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 2009 Citroen C8 fail at each age?

Cars built in 2009 were tested at ages 10 to 15 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.

Citroen C8 built 2009: 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)
10	234 (rough estimate)	47.4	41.1–53.8	not available	not available
11	214 (rough estimate)	54.2	47.5–60.7	54.8	98.9
12	206 (rough estimate)	54.9	48–61.5	59.6	92
13	175 (rough estimate)	57.1	49.7–64.2	56.8	100.6
14	161 (rough estimate)	54	46.3–61.6	54.5	99.2
15	130 (rough estimate)	53.1	44.5–61.4	52.2	101.7

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,120 (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 2009 Citroen C8?

The most common failure group on cars built in 2009 is lamps, reflectors and electrical equipment: 45.9 items per 100 first tests, against 49 across all build years of the Citroen C8. These counts are not age-adjusted: cars built in 2009 were tested at ages 10 to 15.

Failure items per 100 first tests, Citroen C8 built 2009 against the Citroen C8 in all build years (2019–2024, not age-adjusted)
Failure group	Built 2009, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	45.9	49	514
Brakes	39.3	43.1	440
Body, chassis, structure	33.5	29.9	375
Suspension	32.2	42.8	361
Visibility	12.7	16.9	142

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,120 (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 2009 compare with the years around it?

Among the 5 published build years of the Citroen C8, 2009 ranks 3 (1 = fails least for its age). 2008: index 98.4.

Citroen C8 build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2005	91.4	84.2–98.7	better (rough estimate)	1,154
2006	93.8	87.9–99.8	better (rough estimate)	1,743
2007	100.8	95.2–106.3	no different (rough estimate)	2,137
2008	98.4	91.9–104.8	no different (rough estimate)	1,572
2009	97.9	89.2–106.7	no different (rough estimate)	886

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 7,492 (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). Citroen C8 2009 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/citroen-c8/2009/

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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