Which Isuzu models fail their MOT less for their age?
In 2024, 73.5% of MOTs on the 4 Isuzu models published here passed (67.7% first time, 5.8% after a fix at the test centre), from 43,066 first tests. Allowing for age (not mileage), these Isuzu models fail 25% more often than normal: brand MOT Risk Index 124.5 (95% CI 122.8–126.2; 100 = normal).
No single Isuzu model has 10,000 first tests apart from one, so none is named best or worst here; every model's figure is in the chart and the table (the brand index uses all 43,066 tests).
Data release dvsa-2024-v2 (24 Sep 2026) · page updated 25 Sep 2026 · full dataset (v5).
Which Isuzu models fail least and most for their age?
Of the 4 Isuzu models, 0 fail less often than normal for their age, 3 more often, and 1 cannot be told apart from normal because their 95% intervals include 100.
| Model | MOT pass rate, % | Passed first time, % | MOT Risk Index | 95% interval | First tests |
|---|---|---|---|---|---|
| Isuzu Trooper | 65.8 | 60.3 | 102.9 | 98.0–107.9 | 2,503 |
| Isuzu Rodeo | 62.6 | 54.6 | 109.9 | 106.5–113.2 | 4,970 |
| Isuzu TF | 63.2 | 54.7 | 117.5 | 111.6–123.5 | 1,807 |
| Isuzu D-Max | 76.2 | 70.9 | 132.0 | 129.8–134.2 | 33,786 |
Source: DVSA MOT bulk data · Window: 2024 · n = 43,066 (initial tests) · Method: MOT Risk Index = observed first-time failures ÷ failures expected for the same age profile × 100; brand index sums both over the 4 models · Updated: 25 Sep 2026 · Release: dvsa-2024-v2 · CSV
Where are Isuzu models worse than other cars of the same age?
Allowing for age, Isuzu models fail on suspension more than other cars of the same age: 25.2 failures per 100 tests against 17.3 expected (7.9 more; 95% interval 7.69 to 8.09).
| Failure group | Isuzu, per 100 tests | Expected for the same age | Difference | 95% interval | Most common failure on (models) |
|---|---|---|---|---|---|
| Suspension | 25.2 | 17.3 | +7.9 | 7.69 to 8.09 | 0 of 4 |
| Brakes | 18.2 | 15.2 | +3.0 | 2.83 to 3.17 | 0 of 4 |
| Body, chassis, structure | 11.7 | 8.8 | +2.9 | 2.80 to 3.07 | 1 of 4 |
| Lamps, reflectors and electrical equipment | 27.2 | 25.0 | +2.2 | 1.96 to 2.37 | 3 of 4 |
| Identification of the vehicle | 0.8 | 0.5 | +0.4 | 0.33 to 0.41 | 0 of 4 |
| Seat belts and supplementary restraint systems | 1.9 | 1.7 | +0.2 | 0.14 to 0.25 | 0 of 4 |
| Road Wheels | 0.3 | 0.3 | +0.0 | -0.00 to 0.04 | 0 of 4 |
| Noise, emissions and leaks | 3.1 | 4.0 | -0.9 | -0.93 to -0.79 | 0 of 4 |
| Steering | 2.5 | 3.7 | -1.1 | -1.21 to -1.09 | 0 of 4 |
| Visibility | 10.8 | 13.0 | -2.3 | -2.39 to -2.13 | 0 of 4 |
| Tyres | 5.1 | 7.9 | -2.8 | -2.89 to -2.71 | 0 of 4 |
Source: DVSA MOT bulk data · Window: 2019–2024 · n = 241,059 (initial tests of the 4 models) · Method: failure items per 100 tests against the rate expected for the same age and kind of vehicle; interval from the count of failures (Poisson); a group is named only when its interval is wholly above zero and it is at least 5% above the expected rate · Updated: 25 Sep 2026 · Release: dvsa-2024-v2 · CSV
How to cite this page
MOT Risk Index (2026). Isuzu MOT statistics by model 2024 (data release dvsa-2024-v2; full dataset motriskindex-families-2024-v5, DOI 10.5281/zenodo.22975051), updated 25 September 2026. motriskindex.co.uk/cars/brand/isuzu/
How the MOT Risk Index and every figure on this page are calculated: methodology.
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