Vauxhall Zafira 2018: MOT failure rate for its age

19.6% of 20,274 MOT tests of the Vauxhall Zafira 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 102.9 (95% CI 99.7–106.1; 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.

Vauxhall Zafira built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	19.6	%	all ages tested	2019–2024	20274
Index against this model at the same age (95% CI 99.7–106.1)	102.9	index	100 = normal for this model at that age	2019–2024	20274
Rank among this model's 20 build years	17	of 20	1 = fails least for its age	2019–2024	20274
Tested in 2024	4855	tests	median 44,439 miles	2024	4855

Built 2018 against Vauxhall Zafira normal for the age: first-time MOT failure share at each age, age 3: 20.2% vs 15.2%; age 4: 18.8% vs 17%; age 5: 19% vs 21.2%; age 6: 20.5% vs 23.4%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Vauxhall Zafira by registration · All Vauxhall Zafira 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 Vauxhall Zafira 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.

Vauxhall Zafira 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	5,349	20.2	19.1–21.3	15.2	133.1
4	5,124	18.8	17.8–19.9	17	110.5
5	4,946	19	18–20.1	21.2	89.7
6	4,855	20.5	19.4–21.7	23.4	87.7

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 20,274 (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 Vauxhall Zafira?

The most common failure group on cars built in 2018 is visibility: 8.3 items per 100 first tests, against 10.1 across all build years of the Vauxhall Zafira. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Vauxhall Zafira built 2018 against the Vauxhall Zafira in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Visibility	8.3	10.1	1,739
Tyres	7.8	12.2	1,648
Brakes	4.4	16.9	918
Lamps, reflectors and electrical equipment	3.6	24	750
Suspension	1.5	21.6	325

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 21,015 (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 20 published build years of the Vauxhall Zafira, 2018 ranks 17 (1 = fails least for its age). 2017: index 92.9.

Vauxhall Zafira build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
1999	106.2	97.3–115.1	no different (rough estimate)	996
2000	104.4	100.0–108.8	no different	4,042
2001	100.1	97.4–102.8	no different	10,388
2002	99.8	98.0–101.6	no different	23,148
2003	101.4	100.0–102.8	no different	36,660
2004	99.5	98.4–100.6	no different	60,949
2005	101.7	100.6–102.7	worse	69,414
2006	99.0	98.1–99.9	better	101,331
2007	100.2	99.4–100.9	no different	130,616
2008	101.0	100.3–101.8	worse	141,020
2009	102.7	101.6–103.7	worse	83,169
2010	103.3	102.5–104.2	worse	133,143
2011	101.0	100.0–102.0	no different	96,176
2012	99.6	98.6–100.6	no different	111,499
2013	96.6	95.8–97.4	better	180,988
2014	96.7	95.8–97.5	better	173,539
2015	92.2	91.0–93.5	better	89,723
2016	94.9	93.4–96.4	better	73,738
2017	92.9	91.3–94.6	better	63,662
2018	102.9	99.7–106.1	no different	20,274

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,604,475 (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). Vauxhall Zafira 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/vauxhall-zafira/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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