Kia Sportage 2018: MOT failure rate for its age

15.1% of 136,051 MOT tests of the Kia Sportage first registered in 2018 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 94.9 (95% CI 93.6–96.2; 100 = normal for this model at that age): the 2018 Kia Sportage fails less often than other build years of the same model at the same age.

Kia Sportage built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	15.1	%	all ages tested	2019–2024	136051
Index against this model at the same age (95% CI 93.6–96.2)	94.9	index	100 = normal for this model at that age	2019–2024	136051
Rank among this model's 17 build years	3	of 17	1 = fails least for its age	2019–2024	136051
Tested in 2024	33744	tests	median 46,293 miles	2024	33744

Built 2018 against Kia Sportage normal for the age: first-time MOT failure share at each age, age 3: 12.7% vs 13.8%; age 4: 14.1% vs 14.7%; age 5: 16.2% vs 16.8%; age 6: 17.2% vs 18.3%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Kia Sportage by registration · All Kia Sportage 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 2018 Kia Sportage fail at each age?

Cars built in 2018 were tested at ages 3 to 6 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 Sportage built 2018: 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	34,449	12.7	12.4–13.1	13.8	92.5
4	34,158	14.1	13.8–14.5	14.7	96
5	33,700	16.2	15.8–16.6	16.8	96.8
6	33,744	17.2	16.8–17.6	18.3	94.2

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 136,051 (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 2018 Kia Sportage?

The most common failure group on cars built in 2018 is tyres: 7.3 items per 100 first tests, against 8.3 across all build years of the Kia Sportage. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Kia Sportage built 2018 against the Kia Sportage in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Tyres	7.3	8.3	9,957
Visibility	6.5	7.1	8,913
Brakes	5.7	11.8	7,877
Lamps, reflectors and electrical equipment	1.3	6.8	1,805
Suspension	0.9	7.7	1,208

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 137,299 (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 2018 compare with the years around it?

Among the 17 published build years of the Kia Sportage, 2018 ranks 3 (1 = fails least for its age). 2017: index 92.9. 2019: index 102.8.

Kia Sportage build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2003	86.5	74.4–98.6	better (rough estimate)	436
2005	102.1	99.6–104.6	no different	13,044
2006	104.3	101.7–106.8	worse	12,532
2007	105.6	103.0–108.2	worse	13,003
2008	97.4	94.8–99.9	better	12,753
2009	103.5	101.1–105.8	worse	17,914
2010	99.8	97.9–101.7	no different	28,265
2011	98.8	97.3–100.3	no different	47,775
2012	109.0	107.6–110.3	worse	78,302
2013	109.6	108.4–110.8	worse	110,040
2014	95.5	94.3–96.6	better	115,983
2015	105.0	103.7–106.2	worse	126,320
2016	98.5	97.5–99.4	better	223,798
2017	92.9	91.8–93.9	better	193,085
2018	94.9	93.6–96.2	better	136,051
2019	102.8	101.1–104.4	worse	96,645
2020	111.6	108.1–115.2	worse	24,184

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,250,130 (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 Sportage 2018 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-sportage/2018/

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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