Isuzu D-Max: MOT pass rate and reliability data

The Isuzu D-Max fails its first MOT more often than the average UK car, by 1.3 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 28,223 individual Isuzu D-Max tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate75.4%
UK national average76.7%
Difference-1.3 points
Tests analysed28,223
Average mileage at test78,196 miles
Average year of manufacture2017
Reliability rank1,607 of 2,005 models

What this means if you are buying one

A 75.4% first-time pass rate means roughly 25 in every 100 Isuzu D-Max presented for MOT fail on the first attempt. That is worse than average, so budget for remedial work and treat a fresh 12-month MOT as a genuine selling point rather than a given. The average Isuzu D-Max tested had covered 78,196 miles and was built around 2017.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Isuzu D-Max bought as a repairable salvage, assume the mechanical side needs more than the visible accident damage, and pad your repair estimate accordingly.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Isuzu D-Max rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Isuzu D-Max actually sold for at UK salvage auction.

Most common MOT failures on a Isuzu D-Max

  1. A shock absorber bush excessively worn, 5.1% of tests (35.69x the national rate for this defect)
  2. A wheel bearing with excessive play, 1.9% of tests (14.27x the national rate for this defect)
  3. 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, 2.9% of tests (8.74x the national rate for this defect)
  4. Brake pipe damaged or excessively corroded, 3% of tests (3.64x the national rate for this defect)
  5. Exhaust system leaking or insecure, 2.3% of tests (3.04x the national rate for this defect)
  6. A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, 1.1% of tests (1.68x the national rate for this defect)
  7. Wiper blade missing or obviously not clearing the windscreen, 2% of tests (1.47x the national rate for this defect)
  8. A suspension pin, bush or joint excessively worn, 5.4% of tests (1.46x the national rate for this defect)
  9. A lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning, 2.3% of tests (1.39x the national rate for this defect)
  10. Engine MIL illuminated indicating a malfunction, 1.2% of tests (1.3x the national rate for this defect)

From 47,390 DVSA-tracked Isuzu D-Max tests, 2024. DVSA testers marked 3.59% of these flagged Isuzu D-Max defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Isuzu D-Max pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Isuzu D-Max year:

Other Isuzu models

Models with a similar pass rate

If this car is a salvage or write-off

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All 2,005 models ranked by MOT pass rate