Citroen C1 2019: MOT failure rate for its age

10.4% of 15,880 MOT tests of the Citroen C1 first registered in 2019 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 83.9 (95% CI 79.9–88.0; 100 = normal for this model at that age): the 2019 Citroen C1 fails less often than other build years of the same model at the same age.

Citroen C1 built in 2019 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	10.4	%	all ages tested	2019–2024	15880
Index against this model at the same age (95% CI 79.9–88.0)	83.9	index	100 = normal for this model at that age	2019–2024	15880
Rank among this model's 16 build years	1	of 16	1 = fails least for its age	2019–2024	15880
Tested in 2024	5273	tests	median 22,785 miles	2024	5273

Built 2019 against Citroen C1 normal for the age: first-time MOT failure share at each age, age 3: 7.7% vs 8.9%; age 4: 10.8% vs 12.7%; age 5: 12.6% vs 15.5%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2019 Citroen C1 by registration · All Citroen C1 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 2019 Citroen C1 fail at each age?

Cars built in 2019 were tested at ages 3 to 5 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 C1 built 2019: 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	5,332	7.7	7–8.4	8.9	86.5
4	5,275	10.8	10–11.7	12.7	85.2
5	5,273	12.6	11.8–13.6	15.5	81.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 15,880 (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 2019 Citroen C1?

The most common failure group on cars built in 2019 is tyres: 4.2 items per 100 first tests, against 8.7 across all build years of the Citroen C1. These counts are not age-adjusted: cars built in 2019 were tested at ages 3 to 5.

Failure items per 100 first tests, Citroen C1 built 2019 against the Citroen C1 in all build years (2019–2024, not age-adjusted)
Failure group	Built 2019, per 100	All build years, per 100	Items
Tyres	4.2	8.7	677
Visibility	3.9	6.1	633
Brakes	3.4	14.4	555
Lamps, reflectors and electrical equipment	2.7	17.7	439
Suspension	0.6	7.2	97

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 16,141 (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 2019 compare with the years around it?

Among the 16 published build years of the Citroen C1, 2019 ranks 1 (1 = fails least for its age). 2018: index 88.6. 2020: index 90.6.

Citroen C1 build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2005	105.7	101.7–109.6	worse	5,625
2006	103.5	101.9–105.1	worse	36,521
2007	101.2	100.0–102.5	no different	54,522
2008	106.7	105.5–107.9	worse	70,823
2009	104.3	103.2–105.5	worse	77,063
2010	96.8	95.7–98.0	better	82,079
2011	102.9	101.7–104.1	worse	85,386
2012	99.6	98.3–100.8	no different	84,617
2013	99.5	98.2–100.9	no different	85,124
2014	94.9	93.5–96.4	better	82,258
2015	97.1	95.8–98.5	better	108,437
2016	102.1	100.6–103.5	worse	109,486
2017	96.1	93.8–98.4	better	47,969
2018	88.6	85.7–91.5	better	29,059
2019	83.9	79.9–88.0	better	15,880
2020	90.6	84.0–97.1	better	7,548

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 982,397 (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 C1 2019 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-c1/2019/

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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