1975 MG Bgt — MOT History by Age

How cars manufactured in 1975 perform at MOT as they age

51 years

Current Age

82.9%

Latest Pass Rate

803

Total Tests (All Years)

50,740 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 1975 MG Bgt as it ages.

34 yrs61.7%

→ ↓10.4%

35 yrs51.3%

→ ↑4.7%

36 yrs56.0%

→ ↑7.3%

37 yrs63.3%

→ ↑3.4%

38 yrs66.7%

→ ↑2.2%

39 yrs68.9%

→ ↑1.1%

40 yrs70.0%

→ ↑1.4%

41 yrs71.4%

→ ↓3.1%

42 yrs68.3%

→ ↑14.6%

43 yrs82.9%

📊 View as table

Age	Pass Rate	Tests
34 yrs	61.7%	81
35 yrs	51.3%	76
36 yrs	56.0%	91
37 yrs	63.3%	90
38 yrs	66.7%	84
39 yrs	68.9%	90
40 yrs	70.0%	90
41 yrs	71.4%	84
42 yrs	68.3%	82
43 yrs	82.9%	35

Pass Rate Trend

How the 1975 MG Bgt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2018 (43 yrs)	82.9%	35
2017 (42 yrs)	68.3%	82
2016 (41 yrs)	71.4%	84
2015 (40 yrs)	70%	90
2014 (39 yrs)	68.9%	90
2013 (38 yrs)	66.7%	84
2012 (37 yrs)	63.3%	90
2011 (36 yrs)	56%	91
2010 (35 yrs)	51.3%	76
2009 (34 yrs)	61.7%	81

Year-by-Year MOT Results

2009High Fail Rate

61.7%

Age (yrs) 34Tests 81Avg Mileage 57,527Top Failure Suspension — 22.2%

2010High Fail Rate

51.3%

Age (yrs) 35Tests 76Avg Mileage 55,051Top Failure Suspension — 27.6%

2011High Fail Rate

56.0%

Age (yrs) 36Tests 91Avg Mileage 52,716Top Failure Lamps, Reflectors and Electrical Equipment — 25.3%

2012High Fail Rate

63.3%

Age (yrs) 37Tests 90Avg Mileage 51,221Top Failure Brakes — 20.0%

2013

66.7%

Age (yrs) 38Tests 84Avg Mileage 50,354Top Failure Suspension — 51.2%

2014

68.9%

Age (yrs) 39Tests 90Avg Mileage 52,956Top Failure Lamps, Reflectors and Electrical Equipment — 48.9%

2015

70.0%

Age (yrs) 40Tests 90Avg Mileage 50,972Top Failure Suspension — 45.6%

2016

71.4%

Age (yrs) 41Tests 84Avg Mileage 55,504Top Failure Suspension — 42.9%

2017

68.3%

Age (yrs) 42Tests 82Avg Mileage 48,527Top Failure Suspension — 42.7%

2018

82.9%

Age (yrs) 43Tests 35Avg Mileage 50,740Top Failure Suspension — 20.0%

MOT results for 1975 MG Bgt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	34	61.7%	81	57,527	Suspension — 22.2%
2010	35	51.3%	76	55,051	Suspension — 27.6%
2011	36	56.0%	91	52,716	Lamps, Reflectors and Electrical Equipment — 25.3%
2012	37	63.3%	90	51,221	Brakes — 20.0%
2013	38	66.7%	84	50,354	Suspension — 51.2%
2014	39	68.9%	90	52,956	Lamps, Reflectors and Electrical Equipment — 48.9%
2015	40	70.0%	90	50,972	Suspension — 45.6%
2016	41	71.4%	84	55,504	Suspension — 42.9%
2017	42	68.3%	82	48,527	Suspension — 42.7%
2018	43	82.9%	35	50,740	Suspension — 20.0%

Common MOT Failures

Top failure categories across all test years for 1975 MG Bgt, with age trends.

Suspension

32.3%

— Consistent

Lamps, Reflectors and Electrical Equipment

28.2%

— Consistent

Brakes

22.9%

↓ Decreases with age

Steering

12.0%

↑ Increases with age

Exhaust, Fuel and Emissions

11.0%

↓ 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	22.2% (34 yrs)	14.3% (43 yrs)	-7.9%	🟢 ↓
Suspension	22.2% (34 yrs)	20.0% (43 yrs)	-2.2%	🟢 ↓
Lamps, Reflectors and Electrical Equipment	14.8% (34 yrs)	14.3% (43 yrs)	-0.5%	⚪ —

Other Manufacture Years

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

← Back to MG Bgt overview

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

About This Data

This page shows how MG Bgt cars manufactured in 1975 perform at MOT as they age. Data spans from 2009 to 2018, covering 803 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.