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1999 Isuzu Trooper Dt Swb MOT Pass Rate

Pass rate for Trooper Dt Swb models manufactured in 1999, based on 44 real MOT test results.

61.4%
Pass Rate
38.6%
Fail Rate
44
Total Tests
94,024
Avg Mileage

Data from official DVSA MOT testing records

1999 Isuzu Trooper Dt Swb MOT Analysis

The 1999 Isuzu Trooper Dt Swb has an MOT pass rate of 61.4% based on 44 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 94,024 miles on the odometer. With a 38.6% failure rate, the 1999 Trooper Dt Swb is rated as "Average" for MOT reliability.

The leading cause of MOT failure for the 1999 Isuzu Trooper Dt Swb is Non-component advisories, responsible for 22.7% of failures. Non-component advisories issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs range from £100–400. Brakes is the second most common issue at 13.6%. Body, chassis, structure follows at 11.4%.

⚠ Based on limited data (44 tests)

Top failures specific to 1999 models only. The overall Trooper Dt Swb page may show different rankings.

What Fails Most

Non-component advisories 22.7%
Brakes 13.6%

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Non-component Advisories22.7%10
2Brakes13.6%6
3Body, Chassis, Structure11.4%5
4Identification Of The Vehicle4.5%2
5Noise, Emissions And Leaks4.5%2
6Suspension4.5%2

Failures per 10,000 Miles

avg. 94,024 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Non-component advisories2.42% per 10K miBrakes1.45% per 10K miBody & Structure1.21% per 10K miIdentification of the vehicle0.48% per 10K miNoise, emissions and leaks0.48% per 10K miSuspension0.48% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Non-component advisories2.4222.7%10
Brakes1.4513.6%6
Body & Structure1.2111.4%5
Identification of the vehicle0.484.5%2
Noise, emissions and leaks0.484.5%2
Suspension0.484.5%2

Mileage Statistics

94,024
Mean
98,941
Median
84,765
25th Percentile
109,325
75th Percentile
4.11% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1999 Isuzu Trooper Dt Swb has an MOT pass rate of 61.4% based on 44 tests — around the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 94,024 miles on the odometer. With a 38.6% failure rate, the 1999 Trooper Dt Swb is rated as "Average" for MOT reliability.

If you own or are considering buying a 1999 Isuzu Trooper Dt Swb, budget for potential repairs before each MOT. Before your MOT, pay particular attention to non-component advisories: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights. With an average mileage of 94,024 miles, these vehicles are in the higher-mileage bracket where wear-related failures become more common.

Non-component advisories — 22.7% of failures

Non-component advisories issues account for 22.7% of MOT failures on 1999 Isuzu Trooper Dt Swb models. Non-component advisories issues are a common cause of MOT failure. Regular inspection and maintenance of these components helps ensure your vehicle passes its MOT. Typical repair costs: £100–400. Pre-MOT check: Have this system checked during regular servicing. Look for warning signs like unusual noises, vibrations, or dashboard warning lights.

Brakes — 13.6% of failures

Brakes issues account for 13.6% of MOT failures on 1999 Isuzu Trooper Dt Swb models. Brake-related failures include worn brake pads, corroded brake discs, leaking brake lines, and faulty brake servos. These are safety-critical components — any brake deficiency will result in an MOT fail. Typical repair costs: £150–400. Pre-MOT check: Listen for squealing or grinding noises. Check brake pedal feel — if it feels spongy or goes to the floor, have the system inspected immediately. Look at brake pad thickness through the wheel spokes (minimum 3mm).

Body, chassis, structure — 11.4% of failures

Body, chassis, structure issues account for 11.4% of MOT failures on 1999 Isuzu Trooper Dt Swb models. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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