1976 Triumph Stag Auto — MOT History by Age

How cars manufactured in 1976 perform at MOT as they age

50 years

Current Age

78.8%

Latest Pass Rate

2,469

Total Tests (All Years)

58,302 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 1976 Triumph Stag Auto as it ages.

33 yrs68.5%

→ ↓3.8%

34 yrs64.7%

→ ↑0.3%

35 yrs65.0%

→ ↓1.5%

36 yrs63.5%

→ ↑6.6%

37 yrs70.1%

→ ↑0.1%

38 yrs70.2%

→ ↓5.7%

39 yrs64.5%

→ ↑5.8%

40 yrs70.3%

→ ↑2.7%

41 yrs73.0%

→ ↑4.7%

42 yrs77.7%

→ ↓8.5%

43 yrs69.2%

→ ↑12.2%

44 yrs81.4%

→ ↓6.4%

45 yrs75.0%

→ ↓0.4%

46 yrs74.6%

→ ↑3.4%

47 yrs78.0%

→ ↑0.8%

48 yrs78.8%

📊 View as table

Age	Pass Rate	Tests
33 yrs	68.5%	213
34 yrs	64.7%	207
35 yrs	65.0%	206
36 yrs	63.5%	208
37 yrs	70.1%	204
38 yrs	70.2%	215
39 yrs	64.5%	220
40 yrs	70.3%	229
41 yrs	73.0%	226
42 yrs	77.7%	94
43 yrs	69.2%	78
44 yrs	81.4%	59
45 yrs	75.0%	76
46 yrs	74.6%	71
47 yrs	78.0%	59
48 yrs	78.8%	104

Pass Rate Trend

How the 1976 Triumph Stag Auto pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (48 yrs)	78.8%	104
2023 (47 yrs)	78%	59
2022 (46 yrs)	74.6%	71
2021 (45 yrs)	75%	76
2020 (44 yrs)	81.4%	59
2019 (43 yrs)	69.2%	78
2018 (42 yrs)	77.7%	94
2017 (41 yrs)	73%	226
2016 (40 yrs)	70.3%	229
2015 (39 yrs)	64.5%	220
2014 (38 yrs)	70.2%	215
2013 (37 yrs)	70.1%	204
2012 (36 yrs)	63.5%	208
2011 (35 yrs)	65%	206
2010 (34 yrs)	64.7%	207
2009 (33 yrs)	68.5%	213

Year-by-Year MOT Results

2009

68.5%

Age (yrs) 33Tests 213Avg Mileage 54,979Top Failure Lamps, Reflectors and Electrical Equipment — 17.4%

2010High Fail Rate

64.7%

Age (yrs) 34Tests 207Avg Mileage 57,016Top Failure Lamps, Reflectors and Electrical Equipment — 16.4%

2011

65.0%

Age (yrs) 35Tests 206Avg Mileage 54,637Top Failure Lamps, Reflectors and Electrical Equipment — 19.9%

2012High Fail Rate

63.5%

Age (yrs) 36Tests 208Avg Mileage 54,381Top Failure Suspension — 21.2%

2013

70.1%

Age (yrs) 37Tests 204Avg Mileage 53,389Top Failure Suspension — 40.7%

2014

70.2%

Age (yrs) 38Tests 215Avg Mileage 54,993Top Failure Suspension — 38.6%

2015High Fail Rate

64.5%

Age (yrs) 39Tests 220Avg Mileage 54,850Top Failure Suspension — 36.4%

2016

70.3%

Age (yrs) 40Tests 229Avg Mileage 56,859Top Failure Lamps, Reflectors and Electrical Equipment — 36.2%

2017

73.0%

Age (yrs) 41Tests 226Avg Mileage 56,047Top Failure Lamps, Reflectors and Electrical Equipment — 25.7%

2018

77.7%

Age (yrs) 42Tests 94Avg Mileage 61,146Top Failure Brakes — 20.2%

2019

69.2%

Age (yrs) 43Tests 78Avg Mileage 56,221Top Failure Suspension — 41.0%

2020

81.4%

Age (yrs) 44Tests 59Avg Mileage 58,167Top Failure Suspension — 27.1%

2021

75.0%

Age (yrs) 45Tests 76Avg Mileage 54,412Top Failure Lamps, reflectors and electrical equipment — 43.4%

2022

74.6%

Age (yrs) 46Tests 71Avg Mileage 57,264Top Failure Noise, emissions and leaks — 25.4%

2023

78.0%

Age (yrs) 47Tests 59Avg Mileage 55,779Top Failure Noise, emissions and leaks — 22.0%

2024

78.8%

Age (yrs) 48Tests 104Avg Mileage 58,302Top Failure Lamps, reflectors and electrical equipment — 29.8%

MOT results for 1976 Triumph Stag Auto by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	33	68.5%	213	54,979	Lamps, Reflectors and Electrical Equipment — 17.4%
2010	34	64.7%	207	57,016	Lamps, Reflectors and Electrical Equipment — 16.4%
2011	35	65.0%	206	54,637	Lamps, Reflectors and Electrical Equipment — 19.9%
2012	36	63.5%	208	54,381	Suspension — 21.2%
2013	37	70.1%	204	53,389	Suspension — 40.7%
2014	38	70.2%	215	54,993	Suspension — 38.6%
2015	39	64.5%	220	54,850	Suspension — 36.4%
2016	40	70.3%	229	56,859	Lamps, Reflectors and Electrical Equipment — 36.2%
2017	41	73.0%	226	56,047	Lamps, Reflectors and Electrical Equipment — 25.7%
2018	42	77.7%	94	61,146	Brakes — 20.2%
2019	43	69.2%	78	56,221	Suspension — 41.0%
2020	44	81.4%	59	58,167	Suspension — 27.1%
2021	45	75.0%	76	54,412	Lamps, reflectors and electrical equipment — 43.4%
2022	46	74.6%	71	57,264	Noise, emissions and leaks — 25.4%
2023	47	78.0%	59	55,779	Noise, emissions and leaks — 22.0%
2024	48	78.8%	104	58,302	Lamps, reflectors and electrical equipment — 29.8%

Common MOT Failures

Top failure categories across all test years for 1976 Triumph Stag Auto, with age trends.

Suspension

24.5%

↓ Decreases with age

Lamps, Reflectors and Electrical Equipment

23.9%

↓ Decreases with age

Lamps, reflectors and electrical equipment

22.6%

↑ Increases with age

Noise, emissions and leaks

20.3%

— Consistent

Brakes

18.0%

↓ Decreases 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	14.6% (33 yrs)	10.6% (48 yrs)	-4.0%	🟢 ↓
Suspension	12.7% (33 yrs)	8.7% (48 yrs)	-4.0%	🟢 ↓

Other Manufacture Years

1971 1972 1973 1974 1975 1976 1977 1978

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About This Data

This page shows how Triumph Stag Auto cars manufactured in 1976 perform at MOT as they age. Data spans from 2009 to 2024, covering 2,469 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.