Kia Sorento 2004: MOT failure rate for its age

53.0% of 8,965 MOT tests of the Kia Sorento 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 103.7 (95% CI 100.8–106.7; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).

Kia Sorento built in 2004 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	53.0	%	all ages tested	2019–2024	8965
Index against this model at the same age (95% CI 100.8–106.7)	103.7	index	100 = normal for this model at that age	2019–2024	8965
Rank among this model's 18 build years	16	of 18	1 = fails least for its age	2019–2024	8965
Tested in 2024	528	tests	median 114,300 miles	2024	528

Built 2004 against Kia Sorento normal for the age: first-time MOT failure share at each age, age 15: 54% vs 53.9%; age 16: 53.5% vs 51.3%; age 17: 53.3% vs 50%; age 18: 50.8% vs 48.2%; age 19: 50.8% vs 47.2%; age 20: 52.1% vs 50.3%. Axis from 0% to 60%. DVSA MOT bulk data, 2019–2024.

Check a 2004 Kia Sorento by registration · All Kia Sorento 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 Kia Sorento 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.

Kia Sorento 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	2,879	54	52.2–55.9	53.9	100.2
16	2,051	53.5	51.3–55.6	51.3	104.4
17	1,577	53.3	50.9–55.8	50	106.7
18	1,149	50.8	47.9–53.7	48.2	105.5
19	781	50.8	47.3–54.3	47.2	107.7
20	528	52.1	47.8–56.3	50.3	103.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 8,965 (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 Kia Sorento?

The most common failure group on cars built in 2004 is lamps, reflectors and electrical equipment: 56.7 items per 100 first tests, against 19.7 across all build years of the Kia Sorento. These counts are not age-adjusted: cars built in 2004 were tested at ages 15 to 20.

Failure items per 100 first tests, Kia Sorento built 2004 against the Kia Sorento in all build years (2019–2024, not age-adjusted)
Failure group	Built 2004, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	56.7	19.7	5,085
Brakes	51.6	21.6	4,627
Suspension	49.4	18.8	4,429
Body, chassis, structure	34.6	8.5	3,098
Seat belts and supplementary restraint systems	15.2	3.5	1,366

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 8,965 (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 18 published build years of the Kia Sorento, 2004 ranks 16 (1 = fails least for its age). 2003: index 104.1. 2005: index 99.5.

Kia Sorento build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2003	104.1	98.8–109.3	no different (rough estimate)	2,839
2004	103.7	100.8–106.7	worse	8,965
2005	99.5	97.1–101.9	no different	12,987
2006	100.3	98.3–102.4	no different	19,521
2007	97.0	94.5–99.6	better	11,951
2008	100.5	97.2–103.7	no different	8,074
2009	98.7	95.7–101.6	no different	9,922
2010	102.6	99.8–105.4	no different	12,432
2011	103.5	100.3–106.7	worse	10,679
2012	109.1	105.9–112.4	worse	12,019
2013	103.3	100.1–106.5	worse	13,126
2014	97.3	94.5–100.2	no different	17,716
2015	93.3	90.7–95.9	better	24,118
2016	101.2	97.9–104.4	no different	18,965
2017	95.3	91.7–98.8	better	16,400
2018	88.5	84.1–92.8	better	11,114
2019	99.5	94.0–105.0	no different	8,407
2020	97.7	87.1–108.3	no different (rough estimate)	2,364

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 221,599 (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). Kia Sorento 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/kia-sorento/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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