Isuzu D-MAX MOT pass rate and common problems

The Isuzu D-MAX passed 70.9% of its initial MOT tests in 2025, 1.4 percentage points below the 72.3% UK average. The item testers recorded most often was shock absorbers has an excessively worn bush.

Checking a specific car? Its own results, advisories and recorded mileages are in a free MOT history check.

How the D-MAX compares

Initial MOT tests in 2025, retests excluded. A car that failed and was repaired at the test station counts as a fail.

70.9%

Isuzu D-MAX

68.4%

Isuzu average

72.3%

UK average, all cars

The D-MAX runs 2.5 points ahead of the Isuzu average. It is 1st of the 3 Isuzu models in the data. The average D-MAX arrived at its test 7.7 years old with 80,914 miles recorded.

A pass rate records whether cars met the roadworthiness standard on test day. It is not a reliability score, and part of any gap reflects how old the tested cars were.

D-MAX MOT pass rate by age

The same 2025 tests split by the car's age at test.

Isuzu D-MAX cars aged 3 to 5 years passed 79.3% of MOT tests. For cars aged 11 years and over that fell to 60.9%, a drop of 18.5 percentage points.

Age at testTestsPass ratevs UK average
3 to 5 years 8,969 79.3% 7 pts above
6 to 10 years 20,072 68.1% 4.2 pts below
11 years and over 5,513 60.9% 11.4 pts below

That is a steep decline with age, so the headline rate flatters older examples. The UK average of 72.3% covers cars of every age, so compare like with like.

Where D-MAX failures cluster

Every failure item recorded on Isuzu D-MAX cars in 2025, grouped into the DVSA's test areas.

  • Lamps, reflectors and electrical equipment25.9%
  • Suspension22.7%
  • Brakes20.3%
  • Visibility7.7%
  • Body, chassis, structure7.2%
  • Tyres6.3%

Lamps, reflectors and electrical equipment and suspension together account for 48.7% of recorded failure items. These are recorded failures across the model, not faults every car has.

The 10 most common D-MAX MOT failures

Specific items recorded on Isuzu D-MAX cars that failed their 2025 MOT, as a share of all recorded failure items.

  1. 1Shock absorbers has an excessively worn bushSuspension 6.5%
  2. 2Rear fog lamp not workingLamps, reflectors and electrical equipment 5%
  3. 3Position lamp not workingLamps, reflectors and electrical equipment 4.7%
  4. 4Rigid brake pipes excessively corrodedBrakes 4.6%
  5. 5Ball joint excessively wornSuspension 4.6%
  6. 6Wipers does not clear the windscreen effectivelyVisibility 4.4%
  7. 7Exhaust system has a major leak of exhaust gasesBody, chassis, structure 3.3%
  8. 8Tread depth below requirements of 1.6mmTyres 3.1%
  9. 9Pins and bushes pin or bush excessively wornSuspension 3.1%
  10. 10Wheel bearings has excessive playSuspension 2.8%

Together these 10 items make up 42.1% of everything testers recorded against failed Isuzu D-MAX cars. The rest is spread across many smaller items, and one failed test often records several at once.

What to look at on a D-MAX

The recorded failures above, grouped by area, biggest first.

1

Suspension

Recorded most often: shock absorbers has an excessively worn bush, ball joint excessively worn, pins and bushes pin or bush excessively worn and wheel bearings has excessive play. 17% of failure items.

2

Lamps, reflectors and electrical equipment

Recorded most often: rear fog lamp not working and position lamp not working. 9.7% of failure items.

3

Brakes

Recorded most often: rigid brake pipes excessively corroded. 4.6% of failure items.

4

Visibility

Recorded most often: wipers does not clear the windscreen effectively. 4.4% of failure items.

The car's own MOT history matters more than any model average. A free MOT history check shows whether a specific D-MAX has failed on these items before, or had them noted as advisories. Buying one? See the used Isuzu D-MAX buying guide.

Already found one?

Check its finance, write-off, theft, mileage and keeper history with a £15 vehicle history report.

Isuzu D-MAX MOT FAQs

What is the Isuzu D-MAX MOT pass rate?

70.9% of Isuzu D-MAX cars passed their initial MOT first time in 2025, from 37,259 tests. That is 1.4 percentage points below the 72.3% average for all cars, and ranks 339th of 575 models.

What does an Isuzu D-MAX most commonly fail its MOT on?

The item testers recorded most often on Isuzu D-MAX cars failing their 2025 MOT was shock absorbers has an excessively worn bush, on 6.5% of failure items. Next were rear fog lamp not working (5%) and position lamp not working (4.7%).

Which area causes the most Isuzu D-MAX MOT failures?

Across every recorded failure item, the largest area was lamps, reflectors and electrical equipment at 25.9%, followed by suspension at 22.7%.

Do older Isuzu D-MAX cars fail their MOT more often?

Isuzu D-MAX cars aged 3 to 5 years passed 79.3% of MOT tests in 2025, against 60.9% for cars aged 11 years and over.

Does this mean every Isuzu D-MAX has these problems?

No. These are the items testers recorded across every Isuzu D-MAX that failed in 2025. They show where the model most often needs attention, not the condition of any individual car.

How do I see a specific Isuzu D-MAX's MOT history?

Enter its registration on the free Carpeep MOT history check to see that car's own test results, failures, advisories and recorded mileages.

MOT figures are aggregated from the DVSA MOT Anonymised data set for 2025: class 4 initial tests, retests excluded, with failure items from failed tests (advisories and minor defects excluded), licensed under the Open Government Licence v3.0. MOT results describe roadworthiness at test, not mechanical reliability.