1999 Isuzu Trooper Duty Dt Lwb — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

73.3%

Latest Pass Rate

262

Total Tests (All Years)

126,479 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Trooper Duty Dt Lwb

Compared to Average at Age 15

This car: 73.3%

Average: 52.4%

✅ 20.9% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 1999 Isuzu Trooper Duty Dt Lwb as it ages.

10 yrs60.3%

→ ↓6.3%

11 yrs54.0%

→ ↑3.8%

12 yrs57.8%

→ ↓7.8%

13 yrs50.0%

→ ↑11.8%

14 yrs61.8%

→ ↑11.5%

15 yrs73.3%

📊 View as table

Age	Pass Rate	Tests
10 yrs	60.3%	63
11 yrs	54.0%	50
12 yrs	57.8%	45
13 yrs	50.0%	40
14 yrs	61.8%	34
15 yrs	73.3%	30

Pass Rate Trend

How the 1999 Isuzu Trooper Duty Dt Lwb pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2014 (15 yrs)	73.3%	30
2013 (14 yrs)	61.8%	34
2012 (13 yrs)	50%	40
2011 (12 yrs)	57.8%	45
2010 (11 yrs)	54%	50
2009 (10 yrs)	60.3%	63

Year-by-Year MOT Results

2009High Fail Rate

60.3%

Age (yrs) 10Tests 63Avg Mileage 103,912Top Failure Suspension — 28.6%

2010High Fail Rate

54.0%

Age (yrs) 11Tests 50Avg Mileage 106,755Top Failure Suspension — 28.0%

2011High Fail Rate

57.8%

Age (yrs) 12Tests 45Avg Mileage 110,116Top Failure Brakes — 28.9%

2012High Fail Rate

50.0%

Age (yrs) 13Tests 40Avg Mileage 115,719Top Failure Suspension — 35.0%

2013High Fail Rate

61.8%

Age (yrs) 14Tests 34Avg Mileage 123,464Top Failure Suspension — 76.5%

2014

73.3%

Age (yrs) 15Tests 30Avg Mileage 126,479Top Failure Suspension — 33.3%

MOT results for 1999 Isuzu Trooper Duty Dt Lwb by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	60.3%	63	103,912	Suspension — 28.6%
2010	11	54.0%	50	106,755	Suspension — 28.0%
2011	12	57.8%	45	110,116	Brakes — 28.9%
2012	13	50.0%	40	115,719	Suspension — 35.0%
2013	14	61.8%	34	123,464	Suspension — 76.5%
2014	15	73.3%	30	126,479	Suspension — 33.3%

Common MOT Failures

Top failure categories across all test years for 1999 Isuzu Trooper Duty Dt Lwb, with age trends.

Suspension

37.6%

↑ Increases with age

Brakes

26.7%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

23.5%

↓ Decreases with age

Exhaust, Fuel and Emissions

15.3%

— Consistent

Seat Belts and Supplementary Restraint Systems

14.7%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	17.5% (10 yrs)	10.0% (15 yrs)	-7.5%	🟢 ↓
Tyres	6.3% (10 yrs)	13.3% (15 yrs)	+7.0%	🔴 ↑
Suspension	28.6% (10 yrs)	33.3% (15 yrs)	+4.7%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	20.6% (10 yrs)	16.7% (15 yrs)	-3.9%	🟢 ↓
Exhaust, Fuel and Emissions	12.7% (10 yrs)	10.0% (15 yrs)	-2.7%	🟢 ↓

Other Manufacture Years

1998 1999 2000 2001

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About This Data

This page shows how Isuzu Trooper Duty Dt Lwb cars manufactured in 1999 perform at MOT as they age. Data spans from 2009 to 2014, covering 262 tests. Pass rates naturally decline with age as components wear.

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