Isuzu Trooper Reliability and Common Problems
What the Isuzu Trooper fails its MOT on, with rough repair costs, and its MOT pass rate for each model year. Based on 5,605 MOT tests across 15 model years (DVSA data for tests carried out in 2024, retests included).
Segment: performance | Fuel: Diesel, Petrol
72%
Isuzu Trooper pass rate
78%
Isuzu average
82%
All-model average
The Isuzu Trooper has an average MOT pass rate of 72%, which is 6 points below the Isuzu average and 10 points below the average across all models in our data. The Isuzu Trooper has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
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What the Isuzu Trooper Fails Its MOT On
Of the 709 MOT tests on the Isuzu Trooper that failed at the first attempt in 2025, the share that failed on each part of the test, next to the share for all cars and vans of the same ages. A test that failed on two areas counts in both.
Body, chassis and structure
44%Cars and vans the same age: 24% (the Trooper fails on this more often) · Typical repair £200-£1200
Lights and electrics
41%Cars and vans the same age: 48% · Typical repair £15-£200
Brakes
39%Cars and vans the same age: 31% · Typical repair £80-£450
Suspension
37%Cars and vans the same age: 36% · Typical repair £150-£600
Windscreen, wipers and mirrors
20%Cars and vans the same age: 18% · Typical repair £10-£350
The 3 single faults it failed on most
- Drive shaft CV boot split or insecure (17% of failed tests, body, chassis and structure)
- Position lamp: not working (15% of failed tests, lights and electrics)
- Exhaust system: has a major leak of exhaust gases (11% of failed tests, body, chassis and structure)
Source: CarCostCheck analysis of DVSA anonymised MOT test results and failure items for 2025: first attempt at each MOT, fail and pass-after-repair defects, DVSA's defect categories (names shortened). Repair costs are rough UK ranges, not quotes. Method and national figures: MOT failure reasons 2025.
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Isuzu Trooper Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
| Year | Fuel | Engine | Pass Rate | Fail Rate |
|---|---|---|---|---|
| 2006 | Diesel | 3.0L | 74% | 22% |
| 2005 | Diesel | 3.0L | 72% | 27% |
| 2004 | Diesel | 3.0L | 69% | 30% |
| 2003 | Diesel | 3.1L | 69% | 30% |
| 2002 | Petrol | 3.0L | 71% | 28% |
| 2001 | Diesel | 3.0L | 76% | 23% |
| 2000 | Diesel | 3.0L | 69% | 28% |
| 1999 | Diesel | 3.0L | 72% | 26% |
| 1998 | Diesel | 3.0L | 76% | 23% |
| 1997 | Diesel | 3.5L | 76% | 24% |
| 1996 | Petrol | 3.2L | 67% | 33% |
| 1995 | Petrol | 3.2L | 68% | 30% |
| 1994 | Diesel | 3.1L | 74% | 24% |
| 1993 | Petrol | 3.2L | 81% | 18% |
| 1992 | Diesel | 3.1L | 74% | 26% |
Isuzu Trooper Running Costs
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Isuzu Trooper FAQ
What are the most common Isuzu Trooper problems?
In 2025, MOT tests on the Isuzu Trooper that failed at the first attempt most often failed on body, chassis and structure (44% of the 709 failed tests), lights and electrics (41%) and brakes (39%). The single most common fault was "Drive shaft CV boot split or insecure" (17%). Across 5,605 MOT tests (DVSA MOT data for tests in 2024, retests included), 72% ended in a pass.
Is the Isuzu Trooper reliable?
The Isuzu Trooper has an average MOT pass rate of 72%, from 5,605 MOT tests. That is 10 points below the average across all models in our data (82%), so budget for potential repairs. Pass rates fall as cars age, so compare it with cars of a similar age.
Which year Isuzu Trooper is the most reliable?
Of the years with at least 100 tests that were old enough for a routine MOT, the 1993 Isuzu Trooper has the highest MOT pass rate: 81% of its 150 tests ended in a pass. The 1996 has the lowest at 67%. Newer cars usually pass more often simply because they are younger, so the pass rate is only part of the picture.
How much does it cost to fix common Isuzu Trooper faults?
As a rough guide, brake work on an Isuzu Trooper typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
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Other Isuzu Models
Common problems pages for other Isuzu models