1991 Mazda Unclassified — MOT History by Age

How cars manufactured in 1991 perform at MOT as they age

35 years

Current Age

69.7%

Latest Pass Rate

1,057

Total Tests (All Years)

155,583 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 Mazda Unclassified as it ages.

18 yrs47.0%

→ ↑2.2%

19 yrs49.2%

→ ↓5.5%

20 yrs43.7%

→ ↑0.6%

21 yrs44.3%

→ ↑4.9%

22 yrs49.2%

→ ↓9.2%

23 yrs40.0%

→ ↑13.5%

24 yrs53.5%

→ ↓4.4%

25 yrs49.1%

→ ↑14.7%

26 yrs63.8%

→ ↓3.3%

27 yrs60.5%

→ ↑8.7%

28 yrs69.2%

→ ↑0.5%

29 yrs69.7%

📊 View as table

Age	Pass Rate	Tests
18 yrs	47.0%	232
19 yrs	49.2%	187
20 yrs	43.7%	158
21 yrs	44.3%	122
22 yrs	49.2%	61
23 yrs	40.0%	40
24 yrs	53.5%	43
25 yrs	49.1%	57
26 yrs	63.8%	47
27 yrs	60.5%	38
28 yrs	69.2%	39
29 yrs	69.7%	33

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2020 (29 yrs)	69.7%	33
2019 (28 yrs)	69.2%	39
2018 (27 yrs)	60.5%	38
2017 (26 yrs)	63.8%	47
2016 (25 yrs)	49.1%	57
2015 (24 yrs)	53.5%	43
2014 (23 yrs)	40%	40
2013 (22 yrs)	49.2%	61
2012 (21 yrs)	44.3%	122
2011 (20 yrs)	43.7%	158
2010 (19 yrs)	49.2%	187
2009 (18 yrs)	47%	232

Year-by-Year MOT Results

2009High Fail Rate

47.0%

Age (yrs) 18Tests 232Avg Mileage 129,129Top Failure Brakes — 31.0%

2010High Fail Rate

49.2%

Age (yrs) 19Tests 187Avg Mileage 132,979Top Failure Brakes — 31.6%

2011High Fail Rate

43.7%

Age (yrs) 20Tests 158Avg Mileage 138,896Top Failure Brakes — 36.7%

2012High Fail Rate

44.3%

Age (yrs) 21Tests 122Avg Mileage 139,884Top Failure Brakes — 32.8%

2013High Fail Rate

49.2%

Age (yrs) 22Tests 61Avg Mileage 147,412Top Failure Suspension — 78.7%

2014High Fail Rate

40.0%

Age (yrs) 23Tests 40Avg Mileage 141,468Top Failure Brakes — 82.5%

2015High Fail Rate

53.5%

Age (yrs) 24Tests 43Avg Mileage 142,150Top Failure Brakes — 79.1%

2016High Fail Rate

49.1%

Age (yrs) 25Tests 57Avg Mileage 143,927Top Failure Lamps, Reflectors and Electrical Equipment — 80.7%

2017High Fail Rate

63.8%

Age (yrs) 26Tests 47Avg Mileage 147,366Top Failure Lamps, Reflectors and Electrical Equipment — 51.1%

2018High Fail Rate

60.5%

Age (yrs) 27Tests 38Avg Mileage 151,159Top Failure Suspension — 71.1%

2019

69.2%

Age (yrs) 28Tests 39Avg Mileage 156,141Top Failure Suspension — 35.9%

2020

69.7%

Age (yrs) 29Tests 33Avg Mileage 155,583Top Failure Lamps, reflectors and electrical equipment — 48.5%

MOT results for 1991 Mazda Unclassified by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	18	47.0%	232	129,129	Brakes — 31.0%
2010	19	49.2%	187	132,979	Brakes — 31.6%
2011	20	43.7%	158	138,896	Brakes — 36.7%
2012	21	44.3%	122	139,884	Brakes — 32.8%
2013	22	49.2%	61	147,412	Suspension — 78.7%
2014	23	40.0%	40	141,468	Brakes — 82.5%
2015	24	53.5%	43	142,150	Brakes — 79.1%
2016	25	49.1%	57	143,927	Lamps, Reflectors and Electrical Equipment — 80.7%
2017	26	63.8%	47	147,366	Lamps, Reflectors and Electrical Equipment — 51.1%
2018	27	60.5%	38	151,159	Suspension — 71.1%
2019	28	69.2%	39	156,141	Suspension — 35.9%
2020	29	69.7%	33	155,583	Lamps, reflectors and electrical equipment — 48.5%

Common MOT Failures

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

Brakes

50.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

44.2%

— Consistent

Suspension

42.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

38.4%

↑ Increases with age

Steering

24.1%

↑ 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	19.0% (18 yrs)	42.4% (29 yrs)	+23.4%	🔴 ↑
Brakes	31.0% (18 yrs)	39.4% (29 yrs)	+8.4%	🔴 ↑
Tyres	14.2% (18 yrs)	18.2% (29 yrs)	+4.0%	🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Mazda Unclassified cars manufactured in 1991 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,057 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.