1973 MG Bgt — MOT History by Age

How cars manufactured in 1973 perform at MOT as they age

53 years

Current Age

77.1%

Latest Pass Rate

711

Total Tests (All Years)

42,617 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 1973 MG Bgt as it ages.

36 yrs65.8%

→ ↓6.9%

37 yrs58.9%

→ ↑14.1%

38 yrs73.0%

→ ↓5.8%

39 yrs67.2%

→ ↓3.1%

40 yrs64.1%

→ ↓4.6%

41 yrs59.5%

→ ↑6.0%

42 yrs65.5%

→ ↑5.9%

43 yrs71.4%

→ ↓3.3%

44 yrs68.1%

→ ↑9.0%

48 yrs77.1%

📊 View as table

Age	Pass Rate	Tests
36 yrs	65.8%	73
37 yrs	58.9%	73
38 yrs	73.0%	74
39 yrs	67.2%	64
40 yrs	64.1%	78
41 yrs	59.5%	84
42 yrs	65.5%	84
43 yrs	71.4%	77
44 yrs	68.1%	69
48 yrs	77.1%	35

Pass Rate Trend

How the 1973 MG Bgt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2021 (48 yrs)	77.1%	35
2017 (44 yrs)	68.1%	69
2016 (43 yrs)	71.4%	77
2015 (42 yrs)	65.5%	84
2014 (41 yrs)	59.5%	84
2013 (40 yrs)	64.1%	78
2012 (39 yrs)	67.2%	64
2011 (38 yrs)	73%	74
2010 (37 yrs)	58.9%	73
2009 (36 yrs)	65.8%	73

Year-by-Year MOT Results

2009

65.8%

Age (yrs) 36Tests 73Avg Mileage 42,059Top Failure Suspension — 20.5%

2010High Fail Rate

58.9%

Age (yrs) 37Tests 73Avg Mileage 42,743Top Failure Suspension — 24.7%

2011

73.0%

Age (yrs) 38Tests 74Avg Mileage 43,851Top Failure Suspension — 14.9%

2012

67.2%

Age (yrs) 39Tests 64Avg Mileage 47,574Top Failure Suspension — 17.2%

2013High Fail Rate

64.1%

Age (yrs) 40Tests 78Avg Mileage 47,758Top Failure Lamps, Reflectors and Electrical Equipment — 52.6%

2014High Fail Rate

59.5%

Age (yrs) 41Tests 84Avg Mileage 44,658Top Failure Lamps, Reflectors and Electrical Equipment — 75.0%

2015

65.5%

Age (yrs) 42Tests 84Avg Mileage 44,509Top Failure Suspension — 54.8%

2016

71.4%

Age (yrs) 43Tests 77Avg Mileage 47,496Top Failure Suspension — 49.4%

2017

68.1%

Age (yrs) 44Tests 69Avg Mileage 50,348Top Failure Brakes — 26.1%

2021

77.1%

Age (yrs) 48Tests 35Avg Mileage 42,617Top Failure Lamps, reflectors and electrical equipment — 22.9%

MOT results for 1973 MG Bgt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	36	65.8%	73	42,059	Suspension — 20.5%
2010	37	58.9%	73	42,743	Suspension — 24.7%
2011	38	73.0%	74	43,851	Suspension — 14.9%
2012	39	67.2%	64	47,574	Suspension — 17.2%
2013	40	64.1%	78	47,758	Lamps, Reflectors and Electrical Equipment — 52.6%
2014	41	59.5%	84	44,658	Lamps, Reflectors and Electrical Equipment — 75.0%
2015	42	65.5%	84	44,509	Suspension — 54.8%
2016	43	71.4%	77	47,496	Suspension — 49.4%
2017	44	68.1%	69	50,348	Brakes — 26.1%
2021	48	77.1%	35	42,617	Lamps, reflectors and electrical equipment — 22.9%

Common MOT Failures

Top failure categories across all test years for 1973 MG Bgt, with age trends.

Lamps, Reflectors and Electrical Equipment

29.2%

↑ Increases with age

Suspension

27.7%

↓ Decreases with age

Brakes

24.5%

↑ Increases with age

Lamps, reflectors and electrical equipment

22.9%

— Consistent

Body, Structure and General Items

16.1%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	16.4% (36 yrs)	22.9% (48 yrs)	+6.5%	🔴 ↑
Suspension	20.5% (36 yrs)	14.3% (48 yrs)	-6.2%	🟢 ↓

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 1973 perform at MOT as they age. Data spans from 2009 to 2021, covering 711 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.