Should I check the MOT history before buying a 2004 Isuzu Trooper?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2004 Isuzu Trooper?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2004 Isuzu Trooper?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

How many 2004 Isuzu Trooper vehicles have had dangerous defects recorded?

32% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Is the 2004 Isuzu Trooper reliable?

Based on MOT data from 714 vehicles, the 2004 Isuzu Trooper has a first-time MOT pass rate of 74.3%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2004 Isuzu Trooper?

The most frequently recorded MOT issues on the 2004 Isuzu Trooper are: Oil leak, but not excessive (60.5% of vehicles), Oil leak (50.5% of vehicles), Offside Front Tyre worn close to the legal limit (47.8% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2004 Isuzu Trooper?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Isuzu Trooper (2004)

714 real MOT outcomes analysed • 74.3% first-time pass rate

2004 Isuzu Trooper

CarHunch analysed 714 real MOT records for the 2004 Isuzu Trooper. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2004 Isuzu Trooper falls short of the UK average with a 74.3% first-time pass rate, and nearly a third of these vehicles (31.6%) have recorded dangerous defects during MOT testing—a significant concern for a buyer. This suggests the Trooper demands careful pre-purchase inspection and ongoing maintenance vigilance.

At 88,416 miles average, these Troopers show typical mileage for their age, but the 4.34 average failures per test and substantial 25.2 advisories per vehicle reveal aging components and wear accumulating faster than most rivals. Before purchasing, have a trusted mechanic conduct a full pre-buy inspection focusing on brake systems, suspension, and structural integrity, since dangerous defects are running well above normal for the age group.

The 2004 Isuzu Trooper has a below-average first-time pass rate (74.3% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.

⚠️ Over 1 in 5 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

74.3%

UK average ~80%

Below average

Dangerous (ever)

31.7%

At least once in MOT history

Check this vehicle

Avg failures / car

4.34

Over 16.1 tests on record

High

Typical mileage

85k

Middle half: 69k–106k

For context

⚠️ Below average. More vehicles in this cohort fail their first MOT than typical. Scrutinise this vehicle's history — look for recurring issues, not just the latest result.

🔧 Expect consumable spend. An average of 25.2 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 714 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Buyer beware — pass it on

What tends to go wrong

Across 714 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Other issues 60.5%

Oil leak, but not excessive · Oil leak

Tyre wear 47.8%

Offside Front Tyre worn close to the legal limit · Offside Rear Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Brake wear 34.3%

Offside Front Brake pipe slightly corroded · Offside Rear Brake pipe slightly corroded · Front Brake pad(s) wearing thin · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Suspension & steering 31.4%

Nearside Front Shock absorber has a light misting of oil · Offside Front Shock absorber has a light misting of oil · Offside Front Wheel bearing has slight play

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Exhaust & emissions 27.7%

Exhaust has a minor leak of exhaust gases

Data covers a 3-year window centred on 2004.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 714 Isuzu Trooper cars.

Before you buy a 2004 Isuzu Trooper

Based on MOT data from 714 vehicles — here's what to check.

📋 Check the full MOT history. 31.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Diesel (99%)	707	74.3%	4.34

Colour Breakdown

Based on 33,727 Isuzu Trooper vehicles registered in the UK — across all years. From DVLA registration records.

Green 23.1%

7,785

Blue 23%

7,761

Silver 14.2%

4,791

Grey 11.3%

3,817

Red 9.4%

3,165

Maroon 6.6%

2,215

White 5.6%

1,895

Black 3.5%

1,196

Gold 2.7%

922

Beige 0.2%

Purple 0.2%

Bronze 0.1%

Mileage Distribution

Most 2004 Isuzu Trooper vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

85,003

typical

68,991

low mileage

105,831

high mileage

Half of all 2004 Isuzu Trooper vehicles fall between 68,991 and 105,831 miles.

Is the mileage you're seeing normal?

✓ Under 68,991 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 68,991–105,831 miles — normal for age. This is where most 2004 Isuzu Troopers sit.

⚠ Over 142,871 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2004 Isuzu Trooper — Still on the Road

Numbers are thinning — 28% of 2004 Isuzu Troopers are still active.

Numbers are declining — 147 vehicles still getting MOTs in 2025 (28% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

16.1

Avg MOT tests per vehicle

4.34

Avg failures per vehicle

25.2

Avg advisories per vehicle

Other model years — Isuzu Trooper: All Trooper years → Which year to buy? →

1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2005

Or browse all models: Isuzu →

Compare with another model

See how the 2004 Isuzu Trooper stacks up against a rival.

Buyer beware — pass it on