Chrysler Jeep Grand 2003: MOT failure rate for its age

42.6% of 995 MOT tests of the Chrysler Jeep Grand first registered in 2003 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 99.5 (95% CI 90.0–109.0; 100 = normal for this model at that age): the 2003 build year is no different from other years of the same model at the same age. This is a rough estimate from a smaller sample.

Chrysler Jeep Grand built in 2003 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	42.6	%	all ages tested	2019–2024	995
Index against this model at the same age (95% CI 90.0–109.0)	99.5	index	100 = normal for this model at that age	2019–2024	995
Rank among this model's 11 build years	7	of 11	1 = fails least for its age	2019–2024	995
Tested in 2024	128	tests	median 115,006 miles	2024	128

Built 2003 against Chrysler Jeep Grand normal for the age: first-time MOT failure share at each age, age 16: 43.3% vs 46.3%; age 17: 42.3% vs 42.5%; age 18: 42% vs 37.9%; age 19: 41.9% vs n/a%; age 20: 40.2% vs n/a%; age 21: 38.3% vs n/a%. Axis from 0% to 50%. DVSA MOT bulk data, 2019–2024.

Check a 2003 Chrysler Jeep Grand by registration · All Chrysler Jeep Grand 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 2003 Chrysler Jeep Grand fail at each age?

Cars built in 2003 were tested at ages 16 to 21 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 Jeep Grand built 2003: 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)
16	416 (rough estimate)	43.3	38.6–48.1	46.3	93.4
17	305 (rough estimate)	42.3	36.9–47.9	42.5	99.5
18	274 (rough estimate)	42	36.3–47.9	37.9	110.8
19	234 (rough estimate)	41.9	35.7–48.3	not available	not available
20	174 (rough estimate)	40.2	33.2–47.7	not available	not available
21	128 (rough estimate)	38.3	30.3–46.9	not available	not available

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,531 (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 2003 Chrysler Jeep Grand?

The most common failure group on cars built in 2003 is lamps, reflectors and electrical equipment: 39.6 items per 100 first tests, against 38.6 across all build years of the Chrysler Jeep Grand. These counts are not age-adjusted: cars built in 2003 were tested at ages 16 to 21.

Failure items per 100 first tests, Chrysler Jeep Grand built 2003 against the Chrysler Jeep Grand in all build years (2019–2024, not age-adjusted)
Failure group	Built 2003, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	39.6	38.6	606
Brakes	35.5	32.8	544
Suspension	34.3	23.8	525
Body, chassis, structure	17.6	11.1	269
Steering	12.9	6.7	198

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,531 (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 2003 compare with the years around it?

Among the 11 published build years of the Chrysler Jeep Grand, 2003 ranks 7 (1 = fails least for its age). 2002: index 99.8. 2004: index 101.6.

Chrysler Jeep Grand build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2002	99.8	87.2–112.5	no different (rough estimate)	562
2003	99.5	90.0–109.0	no different (rough estimate)	995
2004	101.6	93.9–109.2	no different (rough estimate)	1,563
2005	104.0	97.4–110.6	no different (rough estimate)	2,163
2006	96.1	91.5–100.8	no different (rough estimate)	3,984
2007	98.0	93.8–102.1	no different	5,101
2008	100.9	96.0–105.9	no different (rough estimate)	3,734
2009	96.8	90.1–103.4	no different (rough estimate)	1,992
2010	89.6	81.8–97.3	better (rough estimate)	1,389
2011	87.5	75.3–99.7	better (rough estimate)	548
2012	76.4	59.2–93.6	better (rough estimate)	245

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 22,276 (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 Jeep Grand 2003 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-jeep-grand/2003/

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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