Volvo XC40 2018: MOT failure rate for its age

10.5% of 26,548 MOT tests of the Volvo XC40 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 101.4 (95% CI 97.7–105.2; 100 = normal for this model at that age): the 2018 build year is no different from other years of the same model at the same age.

Volvo XC40 built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	10.5	%	all ages tested	2019–2024	26548
Index against this model at the same age (95% CI 97.7–105.2)	101.4	index	100 = normal for this model at that age	2019–2024	26548
Rank among this model's 3 build years	2	of 3	1 = fails least for its age	2019–2024	26548
Tested in 2024	6637	tests	median 44,837 miles	2024	6637

Built 2018 against Volvo XC40 normal for the age: first-time MOT failure share at each age, age 3: 10.1% vs 9.6%; age 4: 9.6% vs 9.1%; age 5: 9.8% vs 10.6%; age 6: 12.4% vs 12%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Volvo XC40 by registration · All Volvo XC40 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 Volvo XC40 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.

Volvo XC40 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	6,622	10.1	9.4–10.9	9.6	105.8
4	6,675	9.6	8.9–10.3	9.1	105.1
5	6,614	9.8	9.1–10.5	10.6	91.9
6	6,637	12.4	11.6–13.2	12	103.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 26,548 (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 Volvo XC40?

The most common failure group on cars built in 2018 is tyres: 5.3 items per 100 first tests, against 5.2 across all build years of the Volvo XC40. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Volvo XC40 built 2018 against the Volvo XC40 in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Tyres	5.3	5.2	1,397
Brakes	5	4.2	1,326
Visibility	3.4	3.7	907
Lamps, reflectors and electrical equipment	0.9	0.8	246
Noise, emissions and leaks	0.6	0.3	154

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 26,592 (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 3 published build years of the Volvo XC40, 2018 ranks 2 (1 = fails least for its age). 2019: index 109.8.

Volvo XC40 build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2018	101.4	97.7–105.2	no different	26,548
2019	109.8	106.7–112.9	worse	45,698
2020	100.2	97.3–103.1	no different	49,189

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 121,435 (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). Volvo XC40 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/volvo-xc40/2018/

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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