Vauxhall Grandland 2018: MOT failure rate for its age

16.0% of 65,175 MOT tests of the Vauxhall Grandland 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 109.8 (95% CI 107.7–112.0; 100 = normal for this model at that age): the 2018 Vauxhall Grandland fails more often than other build years of the same model at the same age.

Vauxhall Grandland built in 2018 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	16.0	%	all ages tested	2019–2024	65175
Index against this model at the same age (95% CI 107.7–112.0)	109.8	index	100 = normal for this model at that age	2019–2024	65175
Rank among this model's 4 build years	4	of 4	1 = fails least for its age	2019–2024	65175
Tested in 2024	16148	tests	median 46,231 miles	2024	16148

Built 2018 against Vauxhall Grandland normal for the age: first-time MOT failure share at each age, age 3: 12.1% vs 11.4%; age 4: 14.3% vs 12.2%; age 5: 17.2% vs 15%; age 6: 20.3% vs 19.6%. Axis from 0% to 30%. DVSA MOT bulk data, 2019–2024.

Check a 2018 Vauxhall Grandland by registration · All Vauxhall Grandland 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 Grandland 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 Grandland 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	16,350	12.1	11.6–12.6	11.4	106.1
4	16,437	14.3	13.8–14.9	12.2	117.8
5	16,240	17.2	16.6–17.7	15	114.4
6	16,148	20.3	19.7–20.9	19.6	103.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 65,175 (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 Grandland?

The most common failure group on cars built in 2018 is tyres: 7 items per 100 first tests, against 6.8 across all build years of the Vauxhall Grandland. These counts are not age-adjusted: cars built in 2018 were tested at ages 3 to 6.

Failure items per 100 first tests, Vauxhall Grandland built 2018 against the Vauxhall Grandland in all build years (2019–2024, not age-adjusted)
Failure group	Built 2018, per 100	All build years, per 100	Items
Tyres	7	6.8	4,580
Brakes	4.3	3.6	2,847
Visibility	3.6	2.9	2,390
Suspension	3.6	1.7	2,328
Body, chassis, structure	2.5	1.9	1,630

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 65,528 (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 4 published build years of the Vauxhall Grandland, 2018 ranks 4 (1 = fails least for its age). 2017: index 67.7. 2019: index 98.2.

Vauxhall Grandland build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2017	67.7	38.0–97.4	better (rough estimate)	200
2018	109.8	107.7–112.0	worse	65,175
2019	98.2	96.1–100.3	no different	68,903
2020	97.1	94.1–100.0	no different	37,256

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 171,534 (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 Grandland 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-grandland/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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