1991 Mitsubishi Unclassified — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

67.7%

Latest Pass Rate

5,157

Total Tests (All Years)

149,780 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 Mitsubishi Unclassified as it ages.

18 yrs51.4%

→ ↓1.3%

19 yrs50.1%

→ ↓0.1%

20 yrs50.0%

→ ↑1.4%

21 yrs51.4%

→ ↑1.2%

22 yrs52.6%

→ ↑4.4%

23 yrs57.0%

→ ↓3.7%

24 yrs53.3%

→ ↑3.7%

25 yrs57.0%

→ ↑14.2%

26 yrs71.2%

→ ↓16.4%

27 yrs54.8%

→ ↑26.6%

28 yrs81.4%

→ ↓13.7%

29 yrs67.7%

📊 View as table

Age	Pass Rate	Tests
18 yrs	51.4%	1,748
19 yrs	50.1%	1,281
20 yrs	50.0%	908
21 yrs	51.4%	549
22 yrs	52.6%	213
23 yrs	57.0%	107
24 yrs	53.3%	90
25 yrs	57.0%	79
26 yrs	71.2%	66
27 yrs	54.8%	42
28 yrs	81.4%	43
29 yrs	67.7%	31

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2020 (29 yrs)	67.7%	31
2019 (28 yrs)	81.4%	43
2018 (27 yrs)	54.8%	42
2017 (26 yrs)	71.2%	66
2016 (25 yrs)	57%	79
2015 (24 yrs)	53.3%	90
2014 (23 yrs)	57%	107
2013 (22 yrs)	52.6%	213
2012 (21 yrs)	51.4%	549
2011 (20 yrs)	50%	908
2010 (19 yrs)	50.1%	1,281
2009 (18 yrs)	51.4%	1,748

Year-by-Year MOT Results

2009High Fail Rate

51.4%

Age (yrs) 18Tests 1,748Avg Mileage 155,965Top Failure Lamps, Reflectors and Electrical Equipment — 28.4%

2010High Fail Rate

50.1%

Age (yrs) 19Tests 1,281Avg Mileage 161,235Top Failure Lamps, Reflectors and Electrical Equipment — 30.6%

2011High Fail Rate

50.0%

Age (yrs) 20Tests 908Avg Mileage 164,598Top Failure Brakes — 30.8%

2012High Fail Rate

51.4%

Age (yrs) 21Tests 549Avg Mileage 166,884Top Failure Suspension — 31.9%

2013High Fail Rate

52.6%

Age (yrs) 22Tests 213Avg Mileage 174,359Top Failure Brakes — 75.1%

2014High Fail Rate

57.0%

Age (yrs) 23Tests 107Avg Mileage 169,117Top Failure Suspension — 73.8%

2015High Fail Rate

53.3%

Age (yrs) 24Tests 90Avg Mileage 158,475Top Failure Suspension — 81.1%

2016High Fail Rate

57.0%

Age (yrs) 25Tests 79Avg Mileage 153,664Top Failure Suspension — 70.9%

2017

71.2%

Age (yrs) 26Tests 66Avg Mileage 145,235Top Failure Suspension — 56.1%

2018High Fail Rate

54.8%

Age (yrs) 27Tests 42Avg Mileage 135,991Top Failure Brakes — 45.2%

2019

81.4%

Age (yrs) 28Tests 43Avg Mileage 138,216Top Failure Body, chassis, structure — 32.6%

2020

67.7%

Age (yrs) 29Tests 31Avg Mileage 149,780Top Failure Brakes — 54.8%

MOT results for 1991 Mitsubishi Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	51.4%	1,748	155,965	Lamps, Reflectors and Electrical Equipment — 28.4%
2010	19	50.1%	1,281	161,235	Lamps, Reflectors and Electrical Equipment — 30.6%
2011	20	50.0%	908	164,598	Brakes — 30.8%
2012	21	51.4%	549	166,884	Suspension — 31.9%
2013	22	52.6%	213	174,359	Brakes — 75.1%
2014	23	57.0%	107	169,117	Suspension — 73.8%
2015	24	53.3%	90	158,475	Suspension — 81.1%
2016	25	57.0%	79	153,664	Suspension — 70.9%
2017	26	71.2%	66	145,235	Suspension — 56.1%
2018	27	54.8%	42	135,991	Brakes — 45.2%
2019	28	81.4%	43	138,216	Body, chassis, structure — 32.6%
2020	29	67.7%	31	149,780	Brakes — 54.8%

Common MOT Failures

Top failure categories across all test years for 1991 Mitsubishi Unclassified, with age trends.

Suspension

45.7%

↓ Decreases with age

Brakes

45.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

37.9%

↓ Decreases with age

Lamps, reflectors and electrical equipment

31.3%

↑ Increases with age

Driver's View of the Road

30.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	26.7% (18 yrs)	54.8% (29 yrs)	+28.1%	🔴 ↑
Suspension	27.4% (18 yrs)	22.6% (29 yrs)	-4.8%	🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mitsubishi Unclassified page →

About This Data

This page shows how Mitsubishi Unclassified cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2020, covering 5,157 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.