MOT fail rates
Isuzu D-Max MOT fail rate by age
How often the Isuzu D-Max fails its MOT at each age, compared with all cars of the same age, and what it fails on. From 134,777 DVSA MOT tests taken 2022 to 2025.
MOT data updated
At 8 years, the most tested age
263 of 315 model groups with enough tests fail less often at 8 years.
What stands out
- At 3 years the Isuzu D-Max fails 17.2% of MOTs (13,051 tests), 5.1 points above the 12.1% for all cars that age. At 13 years it fails 41.1% (1,184 tests), 2.8 points above the 38.3% average.
- The gap is widest at 7 years: 8.9 points above all cars.
- Its most common structural or mechanical fail item at 8 years: Shock absorbers: has an excessively worn bush, at 6.3 per 100 MOTs.
MOT fail rate by age
Solid line: this model. Dashed line: all cars at the same age.
| Age | MOT fail rate | Tests (n) | All cars | Difference | Median mileage |
|---|---|---|---|---|---|
| 3 years | 17.2% | 13,051 | 12.1% | +5.1 pts | 34,371 miles |
| 4 years | 19.6% | 13,695 | 13.4% | +6.2 pts | 43,716 miles |
| 5 years | 22.9% | 14,927 | 15.3% | +7.6 pts | 52,996 miles |
| 6 years | 26.5% | 16,742 | 17.8% | +8.7 pts | 62,693 miles |
| 7 years | 29.5% | 17,508 | 20.6% | +8.9 pts | 71,432 miles |
| 8 years | 31.1% | 17,530 | 23.8% | +7.4 pts | 79,689 miles |
| 9 years | 33.6% | 15,887 | 27.1% | +6.5 pts | 87,699 miles |
| 10 years | 35.6% | 12,652 | 30.3% | +5.3 pts | 94,728 miles |
| 11 years | 37.2% | 7,778 | 33.3% | +3.9 pts | 101,494 miles |
| 12 years | 38.5% | 3,823 | 36.0% | +2.5 pts | 106,407 miles |
| 13 years | 41.1% | 1,184 | 38.3% | +2.8 pts | 113,104 miles |
Most common fail items at 8 years
Split into structural or mechanical items and wear items. Wear items (tyres, brake pads, wipers, bulbs) say more about upkeep than about the design.
Structural and mechanical
| Fail item | Per 100 MOTs |
|---|---|
| Shock absorbers: has an excessively worn bush Major | 6.3 |
| Rigid brake pipes: excessively corroded Major | 5.7 |
| Exhaust system: has a major leak of exhaust gases Major | 4.8 |
| Suspension ball joint worn Major | 3 |
| Anti-roll bar pins and bushes: pin or bush excessively worn Major | 2.6 |
| Wheel bearings: has excessive play Major | 2.5 |
Out of 17,530 MOTs. A test with two faults counts twice.
Wear and upkeep
| Fail item | Per 100 MOTs |
|---|---|
| Rear fog lamp: not working Major | 5.3 |
| Side/position light not working Major | 5 |
| Wipers not clearing screen Major | 4.2 |
| Tyre tread below 1.6 mm Dangerous | 3 |
Out of 17,530 MOTs. A test with two faults counts twice.
Other models at 8 years
| Model | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|
| Ford Fiesta | 29.3% | 459,355 | 23.8% |
| Vauxhall Corsa | 32.0% | 295,833 | 23.8% |
| Ford Focus | 22.4% | 281,338 | 23.8% |
MOT fail rate by first-use year
Each year has its own page: the fail rate for cars first used that year at each MOT from 2022 to 2025 with at least 1,000 tests, the most common faults at that age, and the car tax and ULEZ rules for that year.
First-use year data updated .
| First used | Age at test | MOT fail rate | Tests (n) | All cars |
|---|---|---|---|---|
| 2012 | 13 years in 2025 | 40.8% | 1,168 | 38.3% |
| 2013 | 12 years in 2025 | 38.8% | 2,595 | 36.0% |
| 2014 | 11 years in 2025 | 37.0% | 3,755 | 33.3% |
| 2015 | 10 years in 2025 | 34.9% | 4,450 | 30.3% |
| 2016 | 9 years in 2025 | 33.3% | 4,194 | 27.1% |
| 2017 | 8 years in 2025 | 30.0% | 4,263 | 23.8% |
| 2018 | 7 years in 2025 | 27.8% | 3,837 | 20.6% |
| 2019 | 6 years in 2025 | 24.9% | 3,814 | 17.8% |
| 2020 | 5 years in 2025 | 22.9% | 2,549 | 15.3% |
| 2021 | 4 years in 2025 | 17.4% | 3,153 | 13.4% |
More on the Isuzu D-Max
Looking at one Isuzu D-Max?
These are figures for the model, not for one car. The VetTheCar Buying Report looks at a single car: its MOT tests, defects, advisories and mileage readings.
Source
Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 22 September 2026.
Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources