Chrysler Grand Cherokee 2005: MOT failure rate for its age

46.4% of 6,527 MOT tests of the Chrysler Grand Cherokee first registered in 2005 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 97.7 (95% CI 94.2–101.2; 100 = normal for this model at that age): the 2005 build year is no different from other years of the same model at the same age.

Chrysler Grand Cherokee built in 2005 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	46.4	%	all ages tested	2019–2024	6527
Index against this model at the same age (95% CI 94.2–101.2)	97.7	index	100 = normal for this model at that age	2019–2024	6527
Rank among this model's 14 build years	6	of 14	1 = fails least for its age	2019–2024	6527
Tested in 2024	549	tests	median 120,748 miles	2024	549

Built 2005 against Chrysler Grand Cherokee normal for the age: first-time MOT failure share at each age, age 14: 48% vs 49.8%; age 15: 48.2% vs 48.7%; age 16: 46.2% vs 48.8%; age 17: 45.8% vs 45.7%; age 18: 43.9% vs 45.4%; age 19: 41.5% vs 40.1%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.

Check a 2005 Chrysler Grand Cherokee by registration · All Chrysler Grand Cherokee 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 2005 Chrysler Grand Cherokee fail at each age?

Cars built in 2005 were tested at ages 14 to 19 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.

Chrysler Grand Cherokee built 2005: 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)
14	1,741	48	45.7–50.4	49.8	96.3
15	1,320	48.2	45.5–50.9	48.7	99
16	1,198	46.2	43.4–49.1	48.8	94.7
17	992	45.8	42.7–48.9	45.7	100.2
18	727	43.9	40.3–47.5	45.4	96.6
19	549	41.5	37.5–45.7	40.1	103.5

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,527 (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 2005 Chrysler Grand Cherokee?

The most common failure group on cars built in 2005 is lamps, reflectors and electrical equipment: 50.9 items per 100 first tests, against 43.6 across all build years of the Chrysler Grand Cherokee. These counts are not age-adjusted: cars built in 2005 were tested at ages 14 to 19.

Failure items per 100 first tests, Chrysler Grand Cherokee built 2005 against the Chrysler Grand Cherokee in all build years (2019–2024, not age-adjusted)
Failure group	Built 2005, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	50.9	43.6	3,325
Brakes	45.6	41.7	2,976
Suspension	25.1	22.2	1,636
Visibility	12.1	11.6	788
Steering	10.4	6.9	676

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 6,527 (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 2005 compare with the years around it?

Among the 14 published build years of the Chrysler Grand Cherokee, 2005 ranks 6 (1 = fails least for its age). 2004: index 102.1. 2006: index 97.4.

Chrysler Grand Cherokee build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2001	105.8	93.6–118.1	no different (rough estimate)	570
2002	98.8	89.7–107.8	no different (rough estimate)	955
2003	107.8	101.6–114.1	worse (rough estimate)	2,175
2004	102.1	96.9–107.2	no different (rough estimate)	3,022
2005	97.7	94.2–101.2	no different	6,527
2006	97.4	94.4–100.4	no different	8,739
2007	97.4	92.8–102.0	no different (rough estimate)	3,761
2008	94.5	89.7–99.4	better (rough estimate)	3,277
2009	100.0	93.2–106.8	no different (rough estimate)	1,918
2010	103.7	96.5–110.9	no different (rough estimate)	1,850
2011	92.2	86.0–98.4	better (rough estimate)	2,330
2012	93.6	86.6–100.5	no different (rough estimate)	1,965
2013	100.4	93.0–107.9	no different (rough estimate)	1,936
2014	99.8	93.4–106.2	no different (rough estimate)	2,800

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 41,825 (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). Chrysler Grand Cherokee 2005 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/chrysler-grand/2005/

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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