Jeep Grand Cherokee 2008: MOT failure rate for its age

36.9% of 1,356 MOT tests of the Jeep Grand Cherokee first registered in 2008 failed at the first attempt (2019–2024; retests excluded). Against this model's own normal rate at the same ages the index is 107.2 (95% CI 97.8–116.6; 100 = normal for this model at that age): the 2008 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.

Jeep Grand Cherokee built in 2008 at a glance
Measure	Value	Unit	Compared with	Years	Tests
Failed first time	36.9	%	all ages tested	2019–2024	1356
Index against this model at the same age (95% CI 97.8–116.6)	107.2	index	100 = normal for this model at that age	2019–2024	1356
Rank among this model's 5 build years	4	of 5	1 = fails least for its age	2019–2024	1356
Tested in 2024	219	tests	median 120,995 miles	2024	219

Built 2008 against Jeep Grand Cherokee normal for the age: first-time MOT failure share at each age, age 11: 36.5% vs n/a%; age 12: 36.8% vs 32.2%; age 13: 36.1% vs 34.4%; age 14: 37.5% vs 33.5%; age 15: 38.7% vs 35.9%; age 16: 35.2% vs 36.6%. Axis from 0% to 40%. DVSA MOT bulk data, 2019–2024.

Check a 2008 Jeep Grand Cherokee by registration · All Jeep 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 2008 Jeep Grand Cherokee fail at each age?

Cars built in 2008 were tested at ages 11 to 16 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.

Jeep Grand Cherokee built 2008: 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)
11	334 (rough estimate)	36.5	31.5–41.8	not available	not available
12	302 (rough estimate)	36.8	31.5–42.3	32.2	114.1
13	291 (rough estimate)	36.1	30.8–41.7	34.4	104.8
14	275 (rough estimate)	37.5	31.9–43.3	33.5	111.8
15	269 (rough estimate)	38.7	33–44.6	35.9	107.8
16	219 (rough estimate)	35.2	29.1–41.7	36.6	96

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,690 (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 2008 Jeep Grand Cherokee?

The most common failure group on cars built in 2008 is lamps, reflectors and electrical equipment: 33.7 items per 100 first tests, against 29.8 across all build years of the Jeep Grand Cherokee. These counts are not age-adjusted: cars built in 2008 were tested at ages 11 to 16.

Failure items per 100 first tests, Jeep Grand Cherokee built 2008 against the Jeep Grand Cherokee in all build years (2019–2024, not age-adjusted)
Failure group	Built 2008, per 100	All build years, per 100	Items
Lamps, reflectors and electrical equipment	33.7	29.8	570
Suspension	20.3	19.8	343
Brakes	16.3	15.5	275
Visibility	12.5	11.7	211
Body, chassis, structure	6.6	5.8	111

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 1,690 (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 2008 compare with the years around it?

Among the 5 published build years of the Jeep Grand Cherokee, 2008 ranks 4 (1 = fails least for its age). 2007: index 98.7. 2009: index 96.2.

Jeep Grand Cherokee build years: index against the model at the same age (2019–2024)
Build year	Index (100 = normal)	95% interval	Verdict	Tests
2006	102.0	95.0–109.1	no different (rough estimate)	2,163
2007	98.7	93.3–104.1	no different (rough estimate)	3,745
2008	107.2	97.8–116.6	no different (rough estimate)	1,356
2009	96.2	86.2–106.1	no different (rough estimate)	1,119
2010	109.7	97.2–122.3	no different (rough estimate)	820

Source: DVSA MOT bulk data · Window: 2019–2024 · n = 9,203 (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). Jeep Grand Cherokee 2008 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/jeep-g-cherokee/2008/

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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