Chevrolet Spark 2011: MOT failure rate for its age

43.8% of 24,513 MOT tests of the Chevrolet Spark first registered in 2011 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 99.1 (95% CI 97.2–101.0; 100 = normal for this model at that age): the 2011 build year is no different from other years of the same model at the same age.

Chevrolet Spark built in 2011 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	43.8	%	all ages tested	2019–2024	24513
Index against this model at the same age (95% CI 97.2–101.0)	99.1	index	100 = normal for this model at that age	2019–2024	24513
Rank among this model's 5 build years	3	of 5	1 = fails least for its age	2019–2024	24513
Tested in 2024	3542	tests	median 68,658 miles	2024	3542

Built 2011 against Chevrolet Spark normal for the age: first-time MOT failure share at each age, age 8: 40.3% vs 48.3%; age 9: 43.8% vs 44.2%; age 10: 44.1% vs 43.7%; age 11: 44.5% vs 42.5%; age 12: 45.4% vs 43.2%; age 13: 45.5% vs 42.7%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.

Check a 2011 Chevrolet Spark by registration · All Chevrolet Spark 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 2011 Chevrolet Spark fail at each age?

Cars built in 2011 were tested at ages 8 to 13 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.

Chevrolet Spark built 2011: 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)
8	4,567	40.3	38.9–41.7	48.3	83.5
9	4,310	43.8	42.4–45.3	44.2	99.2
10	4,215	44.1	42.6–45.6	43.7	100.9
11	3,997	44.5	42.9–46	42.5	104.6
12	3,882	45.4	43.9–47	43.2	105.1
13	3,542	45.5	43.9–47.2	42.7	106.7

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 24,513 (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 2011 Chevrolet Spark?

The most common failure group on cars built in 2011 is brakes: 34.4 items per 100 first tests, against 35.7 across all build years of the Chevrolet Spark. These counts are not age-adjusted: cars built in 2011 were tested at ages 8 to 13.

Failure items per 100 first tests, Chevrolet Spark built 2011 against the Chevrolet Spark in all build years (2019–2024, not age-adjusted)
Failure group	Built 2011, per 100	All build years, per 100	Items
Brakes	34.4	35.7	8,421
Lamps, reflectors and electrical equipment	32.2	29.3	7,881
Suspension	15.3	15.2	3,752
Visibility	12	11.9	2,953
Tyres	10.4	10.3	2,555

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 24,513 (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 2011 compare with the years around it?

Among the 5 published build years of the Chevrolet Spark, 2011 ranks 3 (1 = fails least for its age). 2010: index 93.4. 2012: index 105.2.

Chevrolet Spark build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2010	93.4	91.5–95.4	better	21,473
2011	99.1	97.2–101.0	no different	24,513
2012	105.2	103.3–107.2	worse	23,773
2013	102.4	100.5–104.4	worse	24,374
2014	92.3	87.9–96.7	better	4,675

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 98,808 (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). Chevrolet Spark 2011 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/chevrolet-spark/2011/

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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