Chevrolet Lacetti 2009: MOT failure rate for its age

50.5% of 5,300 MOT tests of the Chevrolet Lacetti first registered in 2009 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 96.2 (95% CI 92.6–99.9; 100 = normal for this model at that age): close to other build years of the same model at the same age (within 5 points of normal).

Chevrolet Lacetti built in 2009 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	50.5	%	all ages tested	2019–2024	5300
Index against this model at the same age (95% CI 92.6–99.9)	96.2	index	100 = normal for this model at that age	2019–2024	5300
Rank among this model's 7 build years	2	of 7	1 = fails least for its age	2019–2024	5300
Tested in 2024	518	tests	median 70,994 miles	2024	518

Built 2009 against Chevrolet Lacetti normal for the age: first-time MOT failure share at each age, age 10: 49% vs 53.3%; age 11: 51.3% vs 51.6%; age 12: 51.1% vs 52.5%; age 13: 48.4% vs 51.9%; age 14: 50.1% vs 52.8%; age 15: 54.6% vs 52.1%. Axis from 0% to 60%. DVSA MOT bulk data, 2019–2024.

Check a 2009 Chevrolet Lacetti by registration · All Chevrolet Lacetti 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 2009 Chevrolet Lacetti fail at each age?

Cars built in 2009 were tested at ages 10 to 15 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 Lacetti built 2009: 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)
10	1,332	49	46.3–51.7	53.3	92
11	1,060	51.3	48.3–54.3	51.6	99.5
12	966	51.1	48–54.3	52.5	97.4
13	781	48.4	44.9–51.9	51.9	93.3
14	643	50.1	46.2–53.9	52.8	94.8
15	518	54.6	50.3–58.9	52.1	104.9

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,300 (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 2009 Chevrolet Lacetti?

The most common failure group on cars built in 2009 is lamps, reflectors and electrical equipment: 49.8 items per 100 first tests, against 49.7 across all build years of the Chevrolet Lacetti. These counts are not age-adjusted: cars built in 2009 were tested at ages 10 to 15.

Failure items per 100 first tests, Chevrolet Lacetti built 2009 against the Chevrolet Lacetti in all build years (2019–2024, not age-adjusted)
Failure group	Built 2009, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	49.8	49.7	2,639
Brakes	45.4	47.6	2,407
Suspension	24.7	31.3	1,310
Visibility	13.8	14.6	730
Tyres	11.2	11.7	594

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 5,300 (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 2009 compare with the years around it?

Among the 7 published build years of the Chevrolet Lacetti, 2009 ranks 2 (1 = fails least for its age). 2008: index 96.9. 2010: index 89.8.

Chevrolet Lacetti build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2005	101.3	95.1–107.5	no different (rough estimate)	1,798
2006	102.1	97.5–106.7	no different (rough estimate)	3,295
2007	97.6	93.6–101.5	no different	4,341
2008	96.9	93.5–100.4	no different	5,764
2009	96.2	92.6–99.9	better	5,300
2010	89.8	83.7–95.9	better (rough estimate)	1,813
2011	97.8	86.8–108.7	no different (rough estimate)	637

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 22,948 (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 Lacetti 2009 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-lacetti/2009/

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