1980 MG B Gt — MOT History by Age

How cars manufactured in 1980 perform at MOT as they age

46 years

Current Age

61.3%

Latest Pass Rate

4,192

Total Tests (All Years)

53,011 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 1980 MG B Gt as it ages.

29 yrs53.7%

→ ↑4.3%

30 yrs58.0%

→ ↓2.0%

31 yrs56.0%

→ ↑4.1%

32 yrs60.1%

→ ↓2.9%

33 yrs57.2%

→ ↑3.1%

34 yrs60.3%

→ ↑4.4%

35 yrs64.7%

→ ↓1.6%

36 yrs63.1%

→ ↑2.2%

37 yrs65.3%

→ ↑4.9%

38 yrs70.2%

→ ↓0.6%

39 yrs69.6%

→ ↓6.1%

40 yrs63.5%

→ ↑5.7%

41 yrs69.2%

→ ↑6.9%

42 yrs76.1%

→ ↓4.3%

43 yrs71.8%

→ ↓10.5%

44 yrs61.3%

📊 View as table

Age	Pass Rate	Tests
29 yrs	53.7%	449
30 yrs	58.0%	383
31 yrs	56.0%	377
32 yrs	60.1%	361
33 yrs	57.2%	376
34 yrs	60.3%	365
35 yrs	64.7%	326
36 yrs	63.1%	333
37 yrs	65.3%	320
38 yrs	70.2%	208
39 yrs	69.6%	224
40 yrs	63.5%	159
41 yrs	69.2%	104
42 yrs	76.1%	67
43 yrs	71.8%	78
44 yrs	61.3%	62

Pass Rate Trend

How the 1980 MG B Gt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (44 yrs)	61.3%	62
2023 (43 yrs)	71.8%	78
2022 (42 yrs)	76.1%	67
2021 (41 yrs)	69.2%	104
2020 (40 yrs)	63.5%	159
2019 (39 yrs)	69.6%	224
2018 (38 yrs)	70.2%	208
2017 (37 yrs)	65.3%	320
2016 (36 yrs)	63.1%	333
2015 (35 yrs)	64.7%	326
2014 (34 yrs)	60.3%	365
2013 (33 yrs)	57.2%	376
2012 (32 yrs)	60.1%	361
2011 (31 yrs)	56%	377
2010 (30 yrs)	58%	383
2009 (29 yrs)	53.7%	449

Year-by-Year MOT Results

2009High Fail Rate

53.7%

Age (yrs) 29Tests 449Avg Mileage 52,135Top Failure Lamps, Reflectors and Electrical Equipment — 26.3%

2010High Fail Rate

58.0%

Age (yrs) 30Tests 383Avg Mileage 53,005Top Failure Lamps, Reflectors and Electrical Equipment — 22.7%

2011High Fail Rate

56.0%

Age (yrs) 31Tests 377Avg Mileage 51,611Top Failure Lamps, Reflectors and Electrical Equipment — 24.9%

2012High Fail Rate

60.1%

Age (yrs) 32Tests 361Avg Mileage 51,045Top Failure Lamps, Reflectors and Electrical Equipment — 23.3%

2013High Fail Rate

57.2%

Age (yrs) 33Tests 376Avg Mileage 50,907Top Failure Lamps, Reflectors and Electrical Equipment — 53.7%

2014High Fail Rate

60.3%

Age (yrs) 34Tests 365Avg Mileage 50,882Top Failure Lamps, Reflectors and Electrical Equipment — 43.6%

2015High Fail Rate

64.7%

Age (yrs) 35Tests 326Avg Mileage 50,719Top Failure Lamps, Reflectors and Electrical Equipment — 44.8%

2016High Fail Rate

63.1%

Age (yrs) 36Tests 333Avg Mileage 51,195Top Failure Lamps, Reflectors and Electrical Equipment — 47.1%

2017

65.3%

Age (yrs) 37Tests 320Avg Mileage 49,914Top Failure Lamps, Reflectors and Electrical Equipment — 32.5%

2018

70.2%

Age (yrs) 38Tests 208Avg Mileage 49,642Top Failure Suspension — 20.2%

2019

69.6%

Age (yrs) 39Tests 224Avg Mileage 52,553Top Failure Suspension — 28.6%

2020High Fail Rate

63.5%

Age (yrs) 40Tests 159Avg Mileage 51,694Top Failure Brakes — 36.5%

2021

69.2%

Age (yrs) 41Tests 104Avg Mileage 47,785Top Failure Suspension — 42.3%

2022

76.1%

Age (yrs) 42Tests 67Avg Mileage 56,269Top Failure Suspension — 37.3%

2023

71.8%

Age (yrs) 43Tests 78Avg Mileage 52,480Top Failure Lamps, reflectors and electrical equipment — 35.9%

2024High Fail Rate

61.3%

Age (yrs) 44Tests 62Avg Mileage 53,011Top Failure Noise, emissions and leaks — 30.6%

MOT results for 1980 MG B Gt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	29	53.7%	449	52,135	Lamps, Reflectors and Electrical Equipment — 26.3%
2010	30	58.0%	383	53,005	Lamps, Reflectors and Electrical Equipment — 22.7%
2011	31	56.0%	377	51,611	Lamps, Reflectors and Electrical Equipment — 24.9%
2012	32	60.1%	361	51,045	Lamps, Reflectors and Electrical Equipment — 23.3%
2013	33	57.2%	376	50,907	Lamps, Reflectors and Electrical Equipment — 53.7%
2014	34	60.3%	365	50,882	Lamps, Reflectors and Electrical Equipment — 43.6%
2015	35	64.7%	326	50,719	Lamps, Reflectors and Electrical Equipment — 44.8%
2016	36	63.1%	333	51,195	Lamps, Reflectors and Electrical Equipment — 47.1%
2017	37	65.3%	320	49,914	Lamps, Reflectors and Electrical Equipment — 32.5%
2018	38	70.2%	208	49,642	Suspension — 20.2%
2019	39	69.6%	224	52,553	Suspension — 28.6%
2020	40	63.5%	159	51,694	Brakes — 36.5%
2021	41	69.2%	104	47,785	Suspension — 42.3%
2022	42	76.1%	67	56,269	Suspension — 37.3%
2023	43	71.8%	78	52,480	Lamps, reflectors and electrical equipment — 35.9%
2024	44	61.3%	62	53,011	Noise, emissions and leaks — 30.6%

Common MOT Failures

Top failure categories across all test years for 1980 MG B Gt, with age trends.

Lamps, Reflectors and Electrical Equipment

33.0%

↓ Decreases with age

Suspension

29.9%

↓ Decreases with age

Lamps, reflectors and electrical equipment

26.7%

↑ Increases with age

Brakes

24.3%

↓ Decreases with age

Noise, emissions and leaks

22.3%

↑ 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	22.0% (29 yrs)	9.7% (44 yrs)	-12.3%	🟢 ↓
Suspension	22.9% (29 yrs)	12.9% (44 yrs)	-10.0%	🟢 ↓

Other Manufacture Years

1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981

← Back to MG B Gt overview

Looking for the best year to buy? See the full comparison on the MG B Gt page →

About This Data

This page shows how MG B Gt cars manufactured in 1980 perform at MOT as they age. Data spans from 2009 to 2024, covering 4,192 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.