1991 Isuzu Trooper — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

69.7%

Latest Pass Rate

1,048

Total Tests (All Years)

127,259 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1991 Isuzu Trooper as it ages.

18 yrs46.1%

→ ↑6.3%

19 yrs52.4%

→ ↓7.3%

20 yrs45.1%

→ ↑7.8%

21 yrs52.9%

→ ↓5.9%

22 yrs47.0%

→ ↑2.2%

23 yrs49.2%

→ ↓5.0%

24 yrs44.2%

→ ↑5.8%

25 yrs50.0%

→ ↑19.7%

26 yrs69.7%

📊 View as table

Age	Pass Rate	Tests
18 yrs	46.1%	297
19 yrs	52.4%	212
20 yrs	45.1%	162
21 yrs	52.9%	102
22 yrs	47.0%	83
23 yrs	49.2%	65
24 yrs	44.2%	52
25 yrs	50.0%	42
26 yrs	69.7%	33

Pass Rate Trend

How the 1991 Isuzu Trooper pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (26 yrs)	69.7%	33
2016 (25 yrs)	50%	42
2015 (24 yrs)	44.2%	52
2014 (23 yrs)	49.2%	65
2013 (22 yrs)	47%	83
2012 (21 yrs)	52.9%	102
2011 (20 yrs)	45.1%	162
2010 (19 yrs)	52.4%	212
2009 (18 yrs)	46.1%	297

Year-by-Year MOT Results

2009High Fail Rate

46.1%

Age (yrs) 18Tests 297Avg Mileage 136,191Top Failure Brakes — 40.4%

2010High Fail Rate

52.4%

Age (yrs) 19Tests 212Avg Mileage 132,408Top Failure Brakes — 37.3%

2011High Fail Rate

45.1%

Age (yrs) 20Tests 162Avg Mileage 131,902Top Failure Brakes — 41.4%

2012High Fail Rate

52.9%

Age (yrs) 21Tests 102Avg Mileage 130,527Top Failure Brakes — 34.3%

2013High Fail Rate

47.0%

Age (yrs) 22Tests 83Avg Mileage 137,617Top Failure Brakes — 68.7%

2014High Fail Rate

49.2%

Age (yrs) 23Tests 65Avg Mileage 133,904Top Failure Suspension — 90.8%

2015High Fail Rate

44.2%

Age (yrs) 24Tests 52Avg Mileage 131,401Top Failure Brakes — 103.8%

2016High Fail Rate

50.0%

Age (yrs) 25Tests 42Avg Mileage 127,244Top Failure Brakes — 95.2%

2017

69.7%

Age (yrs) 26Tests 33Avg Mileage 127,259Top Failure Suspension — 69.7%

MOT results for 1991 Isuzu Trooper by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	46.1%	297	136,191	Brakes — 40.4%
2010	19	52.4%	212	132,408	Brakes — 37.3%
2011	20	45.1%	162	131,902	Brakes — 41.4%
2012	21	52.9%	102	130,527	Brakes — 34.3%
2013	22	47.0%	83	137,617	Brakes — 68.7%
2014	23	49.2%	65	133,904	Suspension — 90.8%
2015	24	44.2%	52	131,401	Brakes — 103.8%
2016	25	50.0%	42	127,244	Brakes — 95.2%
2017	26	69.7%	33	127,259	Suspension — 69.7%

Common MOT Failures

Top failure categories across all test years for 1991 Isuzu Trooper, with age trends.

Brakes

63.1%

↑ Increases with age

Suspension

58.2%

↑ Increases with age

Seat Belts and Supplementary Restraint Systems

32.7%

— Consistent

Body, Structure and General Items

31.7%

— Consistent

Lamps, Reflectors and Electrical Equipment

28.4%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	30.6% (18 yrs)	69.7% (26 yrs)	+39.1%	🔴 ↑
Brakes	40.4% (18 yrs)	66.7% (26 yrs)	+26.3%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	24.2% (18 yrs)	27.3% (26 yrs)	+3.1%	🔴 ↑
Body, Structure and General Items	20.9% (18 yrs)	21.2% (26 yrs)	+0.3%	⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Isuzu Trooper page →

About This Data

This page shows how Isuzu Trooper cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2017, covering 1,048 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.