1980 Triumph Dolomite — MOT History by Age

How cars manufactured in 1980 perform at MOT as they age

46 years

Current Age

89.2%

Latest Pass Rate

2,243

Total Tests (All Years)

56,693 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Dolomite

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1980 Triumph Dolomite as it ages.

29 yrs52.6%

→ ↑8.9%

30 yrs61.5%

→ ↓4.5%

31 yrs57.0%

→ ↑3.4%

32 yrs60.4%

→ ↓7.0%

33 yrs53.4%

→ ↑7.1%

34 yrs60.5%

→ ↓1.8%

35 yrs58.7%

→ ↑8.9%

36 yrs67.6%

→ ↓1.1%

37 yrs66.5%

→ ↑0.7%

38 yrs67.2%

→ ↑11.6%

39 yrs78.8%

→ ↓10.2%

40 yrs68.6%

→ ↑3.1%

41 yrs71.7%

→ ↑4.6%

42 yrs76.3%

→ ↓0.2%

43 yrs76.1%

→ ↑13.1%

44 yrs89.2%

📊 View as table

Age	Pass Rate	Tests
29 yrs	52.6%	211
30 yrs	61.5%	195
31 yrs	57.0%	223
32 yrs	60.4%	197
33 yrs	53.4%	189
34 yrs	60.5%	185
35 yrs	58.7%	189
36 yrs	67.6%	176
37 yrs	66.5%	188
38 yrs	67.2%	119
39 yrs	78.8%	104
40 yrs	68.6%	86
41 yrs	71.7%	60
42 yrs	76.3%	38
43 yrs	76.1%	46
44 yrs	89.2%	37

Pass Rate Trend

How the 1980 Triumph Dolomite pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (44 yrs)	89.2%	37
2023 (43 yrs)	76.1%	46
2022 (42 yrs)	76.3%	38
2021 (41 yrs)	71.7%	60
2020 (40 yrs)	68.6%	86
2019 (39 yrs)	78.8%	104
2018 (38 yrs)	67.2%	119
2017 (37 yrs)	66.5%	188
2016 (36 yrs)	67.6%	176
2015 (35 yrs)	58.7%	189
2014 (34 yrs)	60.5%	185
2013 (33 yrs)	53.4%	189
2012 (32 yrs)	60.4%	197
2011 (31 yrs)	57%	223
2010 (30 yrs)	61.5%	195
2009 (29 yrs)	52.6%	211

Year-by-Year MOT Results

2009High Fail Rate

52.6%

Age (yrs) 29Tests 211Avg Mileage 54,375Top Failure Lamps, Reflectors and Electrical Equipment — 25.6%

2010High Fail Rate

61.5%

Age (yrs) 30Tests 195Avg Mileage 52,632Top Failure Lamps, Reflectors and Electrical Equipment — 24.6%

2011High Fail Rate

57.0%

Age (yrs) 31Tests 223Avg Mileage 53,694Top Failure Lamps, Reflectors and Electrical Equipment — 28.3%

2012High Fail Rate

60.4%

Age (yrs) 32Tests 197Avg Mileage 52,763Top Failure Lamps, Reflectors and Electrical Equipment — 24.9%

2013High Fail Rate

53.4%

Age (yrs) 33Tests 189Avg Mileage 53,006Top Failure Lamps, Reflectors and Electrical Equipment — 74.1%

2014High Fail Rate

60.5%

Age (yrs) 34Tests 185Avg Mileage 55,186Top Failure Suspension — 44.3%

2015High Fail Rate

58.7%

Age (yrs) 35Tests 189Avg Mileage 55,672Top Failure Suspension — 48.1%

2016

67.6%

Age (yrs) 36Tests 176Avg Mileage 56,593Top Failure Suspension — 33.0%

2017

66.5%

Age (yrs) 37Tests 188Avg Mileage 57,289Top Failure Brakes — 52.1%

2018

67.2%

Age (yrs) 38Tests 119Avg Mileage 54,449Top Failure Suspension — 31.1%

2019

78.8%

Age (yrs) 39Tests 104Avg Mileage 52,994Top Failure Suspension — 42.3%

2020

68.6%

Age (yrs) 40Tests 86Avg Mileage 53,079Top Failure Lamps, reflectors and electrical equipment — 32.6%

2021

71.7%

Age (yrs) 41Tests 60Avg Mileage 52,062Top Failure Lamps, reflectors and electrical equipment — 43.3%

2022

76.3%

Age (yrs) 42Tests 38Avg Mileage 53,662Top Failure Lamps, reflectors and electrical equipment — 26.3%

2023

76.1%

Age (yrs) 43Tests 46Avg Mileage 47,321Top Failure Brakes — 17.4%

2024

89.2%

Age (yrs) 44Tests 37Avg Mileage 56,693Top Failure Noise, emissions and leaks — 16.2%

MOT results for 1980 Triumph Dolomite by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	29	52.6%	211	54,375	Lamps, Reflectors and Electrical Equipment — 25.6%
2010	30	61.5%	195	52,632	Lamps, Reflectors and Electrical Equipment — 24.6%
2011	31	57.0%	223	53,694	Lamps, Reflectors and Electrical Equipment — 28.3%
2012	32	60.4%	197	52,763	Lamps, Reflectors and Electrical Equipment — 24.9%
2013	33	53.4%	189	53,006	Lamps, Reflectors and Electrical Equipment — 74.1%
2014	34	60.5%	185	55,186	Suspension — 44.3%
2015	35	58.7%	189	55,672	Suspension — 48.1%
2016	36	67.6%	176	56,593	Suspension — 33.0%
2017	37	66.5%	188	57,289	Brakes — 52.1%
2018	38	67.2%	119	54,449	Suspension — 31.1%
2019	39	78.8%	104	52,994	Suspension — 42.3%
2020	40	68.6%	86	53,079	Lamps, reflectors and electrical equipment — 32.6%
2021	41	71.7%	60	52,062	Lamps, reflectors and electrical equipment — 43.3%
2022	42	76.3%	38	53,662	Lamps, reflectors and electrical equipment — 26.3%
2023	43	76.1%	46	47,321	Brakes — 17.4%
2024	44	89.2%	37	56,693	Noise, emissions and leaks — 16.2%

Common MOT Failures

Top failure categories across all test years for 1980 Triumph Dolomite, with age trends.

Lamps, Reflectors and Electrical Equipment

35.9%

↑ Increases with age

Suspension

31.1%

↓ Decreases with age

Brakes

29.0%

↓ Decreases with age

Lamps, reflectors and electrical equipment

25.9%

↓ Decreases with age

Exhaust, Fuel and Emissions

20.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	24.6% (29 yrs)	8.1% (44 yrs)	-16.5%	🟢 ↓
Steering	14.2% (29 yrs)	2.7% (44 yrs)	-11.5%	🟢 ↓

Other Manufacture Years

1971 1974 1975 1976 1977 1978 1979 1980 1981

← Back to Triumph Dolomite overview

Looking for the best year to buy? See the full comparison on the Triumph Dolomite page →

About This Data

This page shows how Triumph Dolomite cars manufactured in 1980 perform at MOT as they age. Data spans from 2009 to 2024, covering 2,243 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.