1970 Triumph Herald — MOT History by Age

How cars manufactured in 1970 perform at MOT as they age

56 years

Current Age

73.5%

Latest Pass Rate

1,240

Total Tests (All Years)

50,658 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 1970 Triumph Herald as it ages.

39 yrs57.9%

→ ↑7.5%

40 yrs65.4%

→ ↑0.5%

41 yrs65.9%

→ ↓4.0%

42 yrs61.9%

→ ↓4.4%

43 yrs57.5%

→ ↑7.8%

44 yrs65.3%

→ ↓1.5%

45 yrs63.8%

→ ↑4.9%

46 yrs68.7%

→ ↑1.1%

47 yrs69.8%

→ ↓5.5%

48 yrs64.3%

→ ↑10.7%

49 yrs75.0%

→ ↓1.5%

51 yrs73.5%

📊 View as table

Age	Pass Rate	Tests
39 yrs	57.9%	107
40 yrs	65.4%	107
41 yrs	65.9%	123
42 yrs	61.9%	126
43 yrs	57.5%	127
44 yrs	65.3%	144
45 yrs	63.8%	138
46 yrs	68.7%	131
47 yrs	69.8%	129
48 yrs	64.3%	42
49 yrs	75.0%	32
51 yrs	73.5%	34

Pass Rate Trend

How the 1970 Triumph Herald pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2021 (51 yrs)	73.5%	34
2019 (49 yrs)	75%	32
2018 (48 yrs)	64.3%	42
2017 (47 yrs)	69.8%	129
2016 (46 yrs)	68.7%	131
2015 (45 yrs)	63.8%	138
2014 (44 yrs)	65.3%	144
2013 (43 yrs)	57.5%	127
2012 (42 yrs)	61.9%	126
2011 (41 yrs)	65.9%	123
2010 (40 yrs)	65.4%	107
2009 (39 yrs)	57.9%	107

Year-by-Year MOT Results

2009High Fail Rate

57.9%

Age (yrs) 39Tests 107Avg Mileage 58,909Top Failure Brakes — 20.6%

2010

65.4%

Age (yrs) 40Tests 107Avg Mileage 53,803Top Failure Brakes — 22.4%

2011

65.9%

Age (yrs) 41Tests 123Avg Mileage 54,644Top Failure Brakes — 22.8%

2012High Fail Rate

61.9%

Age (yrs) 42Tests 126Avg Mileage 51,732Top Failure Suspension — 23.0%

2013High Fail Rate

57.5%

Age (yrs) 43Tests 127Avg Mileage 53,310Top Failure Brakes — 59.8%

2014

65.3%

Age (yrs) 44Tests 144Avg Mileage 51,135Top Failure Brakes — 38.2%

2015High Fail Rate

63.8%

Age (yrs) 45Tests 138Avg Mileage 51,615Top Failure Brakes — 51.4%

2016

68.7%

Age (yrs) 46Tests 131Avg Mileage 52,419Top Failure Brakes — 47.3%

2017

69.8%

Age (yrs) 47Tests 129Avg Mileage 58,043Top Failure Brakes — 43.4%

2018High Fail Rate

64.3%

Age (yrs) 48Tests 42Avg Mileage 57,371Top Failure Brakes — 47.6%

2019

75.0%

Age (yrs) 49Tests 32Avg Mileage 62,146Top Failure Brakes — 50.0%

2021

73.5%

Age (yrs) 51Tests 34Avg Mileage 50,658Top Failure Brakes — 73.5%

MOT results for 1970 Triumph Herald by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	39	57.9%	107	58,909	Brakes — 20.6%
2010	40	65.4%	107	53,803	Brakes — 22.4%
2011	41	65.9%	123	54,644	Brakes — 22.8%
2012	42	61.9%	126	51,732	Suspension — 23.0%
2013	43	57.5%	127	53,310	Brakes — 59.8%
2014	44	65.3%	144	51,135	Brakes — 38.2%
2015	45	63.8%	138	51,615	Brakes — 51.4%
2016	46	68.7%	131	52,419	Brakes — 47.3%
2017	47	69.8%	129	58,043	Brakes — 43.4%
2018	48	64.3%	42	57,371	Brakes — 47.6%
2019	49	75.0%	32	62,146	Brakes — 50.0%
2021	51	73.5%	34	50,658	Brakes — 73.5%

Common MOT Failures

Top failure categories across all test years for 1970 Triumph Herald, with age trends.

Brakes

41.6%

↑ Increases with age

Suspension

29.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

23.2%

↑ Increases with age

Body, chassis, structure

21.4%

↑ Increases with age

Lamps, reflectors and electrical equipment

21.3%

↑ 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
Brakes	20.6% (39 yrs)	73.5% (51 yrs)	+52.9%	🔴 ↑

Other Manufacture Years

1964 1965 1966 1967 1968 1969 1970 1971

← Back to Triumph Herald overview

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

About This Data

This page shows how Triumph Herald cars manufactured in 1970 perform at MOT as they age. Data spans from 2009 to 2021, covering 1,240 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.