Fiat Doblo 2015: MOT failure rate for its age

30.6% of 31,059 MOT tests of the Fiat Doblo first registered in 2015 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 105.6 (95% CI 103.5–107.8; 100 = normal for this model at that age): the 2015 Fiat Doblo fails more often than other build years of the same model at the same age.

Fiat Doblo built in 2015 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	30.6	%	all ages tested	2019–2024	31059
Index against this model at the same age (95% CI 103.5–107.8)	105.6	index	100 = normal for this model at that age	2019–2024	31059
Rank among this model's 20 build years	14	of 20	1 = fails least for its age	2019–2024	31059
Tested in 2024	4811	tests	median 83,925 miles	2024	4811

Built 2015 against Fiat Doblo normal for the age: first-time MOT failure share at each age, age 4: 24.3% vs 27.2%; age 5: 27% vs 27.5%; age 6: 31.2% vs 27.1%; age 7: 32.4% vs 29.1%; age 8: 34.9% vs 31.3%; age 9: 34.8% vs 32.3%. Axis from 0% to 40%. DVSA MOT bulk data, 2019–2024.

Check a 2015 Fiat Doblo by registration · All Fiat Doblo 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 2015 Fiat Doblo fail at each age?

Cars built in 2015 were tested at ages 4 to 9 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.

Fiat Doblo built 2015: 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)
4	5,580	24.3	23.2–25.5	27.2	89.6
5	5,142	27	25.8–28.3	27.5	98.2
6	5,314	31.2	30–32.5	27.1	115.2
7	5,134	32.4	31.1–33.7	29.1	111.2
8	5,078	34.9	33.6–36.2	31.3	111.6
9	4,811	34.8	33.4–36.1	32.3	107.8

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 31,059 (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 2015 Fiat Doblo?

The most common failure group on cars built in 2015 is suspension: 17.3 items per 100 first tests, against 21.7 across all build years of the Fiat Doblo. These counts are not age-adjusted: cars built in 2015 were tested at ages 4 to 9.

Failure items per 100 first tests, Fiat Doblo built 2015 against the Fiat Doblo in all build years (2019–2024, not age-adjusted)
Failure group	Built 2015, per 100	All build years, per 100	Items
Suspension	17.3	21.7	5,366
Lamps, reflectors and electrical equipment	13.5	26.1	4,203
Visibility	10.8	13.5	3,360
Tyres	10.6	10.6	3,288
Brakes	8	11.3	2,496

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 31,059 (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 2015 compare with the years around it?

Among the 20 published build years of the Fiat Doblo, 2015 ranks 14 (1 = fails least for its age). 2014: index 104.7. 2016: index 107.0.

Fiat Doblo build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2001	104.7	93.1–116.3	no different (rough estimate)	570
2002	101.2	95.6–106.8	no different (rough estimate)	2,418
2003	105.6	101.7–109.4	worse	5,389
2004	105.1	102.1–108.2	worse	8,657
2005	103.8	101.0–106.7	worse	10,113
2006	97.5	95.1–99.9	better	14,311
2007	100.6	98.5–102.7	no different	18,905
2008	97.4	95.1–99.7	better	16,471
2009	93.7	90.9–96.5	better	11,408
2010	106.0	103.2–108.7	worse	13,997
2011	114.1	111.2–116.9	worse	14,933
2012	118.6	115.7–121.5	worse	15,376
2013	73.6	72.3–75.0	better	46,989
2014	104.7	102.9–106.5	worse	39,336
2015	105.6	103.5–107.8	worse	31,059
2016	107.0	104.4–109.7	worse	21,709
2017	102.9	99.6–106.3	no different	13,719
2018	100.4	96.0–104.7	no different	8,276
2019	109.5	103.7–115.3	worse	5,276
2020	105.7	97.1–114.3	no different (rough estimate)	2,411

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 301,323 (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). Fiat Doblo 2015 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/fiat-doblo/2015/

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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