1999 · 25 years old at test · Diesel mostly

1999 Isuzu Trooper MOT pass rate and common faults

186 MOT tests in 2024. 55.9% passed first time, compared with 63.3% for all cars the same age.

88Well below average
Passed first time55.9%
Failed or needed repairs44.1%
Typical mileage at test132,000

Most common reasons for failing

Share of all 186 tests where this item caused a failure.

  1. Exhaust system: has a major leak of exhaust gases8.6%
  2. Position lamp: not working5.4%
  3. Linkage ball joints: ball joint excessively worn4.8%
  4. Rigid brake pipes: leaking on a hydraulic braking system4.3%
    14 marked dangerous
  5. Seat belts - prescribed areas: prescribed area strength or continuity significantly reduced4.3%
  6. Rigid brake pipes: excessively corroded4.3%
  7. Rear fog lamp: not working3.8%
  8. Emissions not tested: unable to be completed3.8%
  9. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt3.8%
  10. Shock absorbers: has a serious fluid leak3.8%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Brakes34.9%
  2. Lights & electrics30.1%
  3. Body & chassis27.4%
  4. Suspension23.1%
  5. Emissions & leaks8.6%
  6. Visibility (wipers, screen, mirrors)8.6%
  7. Seat belts & airbags5.9%
  8. Tyres4.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded25.8%
  2. Wheel bearings: has excessive play20.4%
  3. Engine oil leaks: leaking excessively from engine18.8%
  4. Tread depth below requirements of 1.6mm11.8%
  5. Tyres - condition: has a tear, caused by separation or partial failure of its structure10.8%

What this means if you are buying one

This model year fails more often than most cars its age, so budget for repairs and check the history carefully. Before buying, check the area that fails most: exhaust system: has a major leak of exhaust gases. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 1999 Isuzu Trooper?

In 2024, 55.9% of 1999 Isuzu Trooper cars passed their MOT first time, across 186 tests. The average for all 25-year-old cars was 63.3%.

What are the most common MOT failures on a 1999 Isuzu Trooper?

The most common failure reasons were exhaust system: has a major leak of exhaust gases; position lamp: not working; linkage ball joints: ball joint excessively worn. The biggest problem area was brakes.

Is the 1999 Isuzu Trooper reliable at MOT time?

Its MOT Rank score is 88, which is well below average for a car of its age (100 means exactly average).