Isuzu D-Max Dl20
From 518 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a brake lining or pad worn below 1.5mm, tyre tread depth not in accordance with the requirements and a shock absorber bush excessively worn. The top issue, a brake lining or pad worn below 1.5mm, caused 16 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a brake lining or pad worn below 1.5mm | 16 |
| tyre tread depth not in accordance with the requirements | 13 |
| a shock absorber bush excessively worn | 12 |
| wiper blade missing or obviously not clearing the windscreen | 10 |
| engine mil illuminated indicating a malfunction | 8 |
| an obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning | 8 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 7 |
| a tyre seriously damaged | 7 |
| a tyre cords visible or damaged | 5 |
| a spring or spring component fractured or seriously weakened | 5 |
How serious are these failures?
Not all MOT failures are equal. 45.1% of failures are serious: 30.8% are safety issues (brakes, steering, tyre damage) and 14.3% could actually leave you stranded. That's close to the 44.4% average across all models. When it does fail, the average repair bill is around £86.
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 83.3% | a brake lining or pad worn below 1.5mm, a shock absorber bush excessively worn |
Typical mileage
Half of all D-Max Dl20s tested had between 23,705 and 50,738 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 35,623 median miles, the D-Max Dl20 has 0.047 failures per 10,000 miles driven.
Other Isuzu models
| Isuzu D-Max | 77.6% |
| Isuzu Rodeo | 67.2% |
| Isuzu Trooper | 69.2% |
| Isuzu Tf | 66.8% |
| Isuzu D-Max Yukon D/C Intercooler Td | 72.7% |
Common questions
What is the Isuzu D-Max Dl20 MOT pass rate?
The Isuzu D-Max Dl20 has a 83.4% MOT pass rate based on 518 real MOT tests. This is above the national average.
What are common MOT failures on a Isuzu D-Max Dl20?
The most common MOT failure on the Isuzu D-Max Dl20 is a brake lining or pad worn below 1.5mm, which caused 16 failures. Other common issues include tyre tread depth not in accordance with the requirements.
What is the typical mileage of a Isuzu D-Max Dl20 at MOT?
The median mileage at MOT for a Isuzu D-Max Dl20 is 35,623 miles. The middle 50% of vehicles tested have between 23,705 and 50,738 miles.
Buying a used D-Max Dl20?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
With a 83.4% pass rate and an average repair bill of £86 when things go wrong, budget accordingly.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.