Ford C-MAX 2018: MOT failure rate for its age

16.1% of 19,748 MOT tests of the Ford C-MAX 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 111.1 (95% CI 107.2–114.9; 100 = normal for this model at that age): the 2018 Ford C-MAX fails more often than other build years of the same model at the same age.

Ford C-MAX built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	16.1	%	all ages tested	2019–2024	19748
Index against this model at the same age (95% CI 107.2–114.9)	111.1	index	100 = normal for this model at that age	2019–2024	19748
Rank among this model's 15 build years	13	of 15	1 = fails least for its age	2019–2024	19748
Tested in 2024	4862	tests	median 34,862 miles	2024	4862

Built 2018 against Ford C-MAX normal for the age: first-time MOT failure share at each age, age 3: 15.1% vs 11.6%; age 4: 15.8% vs 12.9%; age 5: 16.5% vs 15.9%; age 6: 17% vs 17.8%. Axis from 0% to 20%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Ford C-MAX by registration · All Ford C-MAX 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 Ford C-MAX 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.

Ford C-MAX 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	5,036	15.1	14.2–16.1	11.6	131
4	4,948	15.8	14.9–16.9	12.9	122.9
5	4,902	16.5	15.5–17.6	15.9	104
6	4,862	17	16–18.1	17.8	95.3

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 19,748 (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 Ford C-MAX?

The most common failure group on cars built in 2018 is visibility: 6.6 items per 100 first tests, against 7.3 across all build years of the Ford C-MAX. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Ford C-MAX built 2018 against the Ford C-MAX in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Visibility	6.6	7.3	1,340
Tyres	5.7	10.7	1,144
Lamps, reflectors and electrical equipment	3.4	12.9	692
Brakes	2.9	8.2	577
Noise, emissions and leaks	2.7	3	546

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 20,157 (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 15 published build years of the Ford C-MAX, 2018 ranks 13 (1 = fails least for its age). 2017: index 85.5. 2019: index 122.9.

Ford C-MAX build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2005	103.3	86.2–120.4	no different (rough estimate)	286
2006	105.1	99.5–110.8	no different (rough estimate)	2,754
2007	103.8	102.3–105.2	worse	42,050
2008	105.5	104.4–106.6	worse	85,298
2009	106.8	105.1–108.4	worse	39,905
2010	111.2	109.5–112.9	worse	41,013
2011	93.2	91.9–94.5	better	66,001
2012	94.4	93.0–95.8	better	67,880
2013	95.2	93.9–96.5	better	84,568
2014	104.4	102.8–105.9	worse	76,864
2015	97.0	95.4–98.7	better	68,842
2016	91.3	89.5–93.1	better	64,451
2017	85.5	83.2–87.7	better	42,606
2018	111.1	107.2–114.9	worse	19,748
2019	122.9	116.4–129.4	worse	8,452

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 710,718 (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). Ford C-MAX 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/ford-c-max/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.

Other pages for this model