1971 Triumph Dolomite — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

76.5%

Latest Pass Rate

980

Total Tests (All Years)

56,678 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 1971 Triumph Dolomite as it ages.

38 yrs66.7%

→ ↓0.0%

39 yrs66.7%

→ ↑0.6%

40 yrs67.3%

→ ↑5.6%

41 yrs72.9%

→ ↑0.4%

42 yrs73.3%

→ ↓0.3%

43 yrs73.0%

→ ↑3.8%

44 yrs76.8%

→ ↓4.0%

45 yrs72.8%

→ ↑6.2%

46 yrs79.0%

→ ↓2.5%

47 yrs76.5%

📊 View as table

Age	Pass Rate	Tests
38 yrs	66.7%	114
39 yrs	66.7%	105
40 yrs	67.3%	104
41 yrs	72.9%	96
42 yrs	73.3%	101
43 yrs	73.0%	111
44 yrs	76.8%	112
45 yrs	72.8%	103
46 yrs	79.0%	100
47 yrs	76.5%	34

Pass Rate Trend

How the 1971 Triumph Dolomite pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (47 yrs)	76.5%	34
2017 (46 yrs)	79%	100
2016 (45 yrs)	72.8%	103
2015 (44 yrs)	76.8%	112
2014 (43 yrs)	73%	111
2013 (42 yrs)	73.3%	101
2012 (41 yrs)	72.9%	96
2011 (40 yrs)	67.3%	104
2010 (39 yrs)	66.7%	105
2009 (38 yrs)	66.7%	114

Year-by-Year MOT Results

2009

66.7%

Age (yrs) 38Tests 114Avg Mileage 56,960Top Failure Brakes — 21.1%

2010

66.7%

Age (yrs) 39Tests 105Avg Mileage 51,505Top Failure Brakes — 22.9%

2011

67.3%

Age (yrs) 40Tests 104Avg Mileage 61,704Top Failure Brakes — 21.2%

2012

72.9%

Age (yrs) 41Tests 96Avg Mileage 51,796Top Failure Suspension — 14.6%

2013

73.3%

Age (yrs) 42Tests 101Avg Mileage 52,613Top Failure Lamps, Reflectors and Electrical Equipment — 37.6%

2014

73.0%

Age (yrs) 43Tests 111Avg Mileage 51,891Top Failure Suspension — 41.4%

2015

76.8%

Age (yrs) 44Tests 112Avg Mileage 51,175Top Failure Brakes — 27.7%

2016

72.8%

Age (yrs) 45Tests 103Avg Mileage 51,671Top Failure Suspension — 32.0%

2017

79.0%

Age (yrs) 46Tests 100Avg Mileage 55,810Top Failure Brakes — 31.0%

2018

76.5%

Age (yrs) 47Tests 34Avg Mileage 56,678Top Failure Brakes — 35.3%

MOT results for 1971 Triumph Dolomite by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	66.7%	114	56,960	Brakes — 21.1%
2010	39	66.7%	105	51,505	Brakes — 22.9%
2011	40	67.3%	104	61,704	Brakes — 21.2%
2012	41	72.9%	96	51,796	Suspension — 14.6%
2013	42	73.3%	101	52,613	Lamps, Reflectors and Electrical Equipment — 37.6%
2014	43	73.0%	111	51,891	Suspension — 41.4%
2015	44	76.8%	112	51,175	Brakes — 27.7%
2016	45	72.8%	103	51,671	Suspension — 32.0%
2017	46	79.0%	100	55,810	Brakes — 31.0%
2018	47	76.5%	34	56,678	Brakes — 35.3%

Common MOT Failures

Top failure categories across all test years for 1971 Triumph Dolomite, with age trends.

Brakes

26.2%

↑ Increases with age

Lamps, reflectors and electrical equipment

23.5%

— Consistent

Suspension

21.8%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

21.4%

↓ Decreases with age

Steering

14.3%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	21.1% (38 yrs)	35.3% (47 yrs)	+14.2%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	20.2% (38 yrs)	8.8% (47 yrs)	-11.4%	🟢 ↓
Suspension	16.7% (38 yrs)	8.8% (47 yrs)	-7.9%	🟢 ↓
Steering	13.2% (38 yrs)	11.8% (47 yrs)	-1.4%	⚪ —

Other Manufacture Years

1971 1974 1975 1976 1977 1978 1979 1980 1981

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About This Data

This page shows how Triumph Dolomite cars manufactured in 1971 perform at MOT as they age. Data spans from 2009 to 2018, covering 980 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.