1971 MG Bgt — MOT History by Age

How cars manufactured in 1971 perform at MOT as they age

55 years

Current Age

74.2%

Latest Pass Rate

3,084

Total Tests (All Years)

39,313 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 1971 MG Bgt as it ages.

38 yrs70.5%

→ ↓1.9%

39 yrs68.6%

→ ↑2.4%

40 yrs71.0%

→ ↑1.0%

41 yrs72.0%

→ ↓6.9%

42 yrs65.1%

→ ↓2.8%

43 yrs62.3%

→ ↑10.3%

44 yrs72.6%

→ ↑1.1%

45 yrs73.7%

→ ↓0.7%

46 yrs73.0%

→ ↑8.0%

47 yrs81.0%

→ ↑0.9%

48 yrs81.9%

→ ↓6.9%

49 yrs75.0%

→ ↓0.8%

50 yrs74.2%

📊 View as table

Age	Pass Rate	Tests
38 yrs	70.5%	278
39 yrs	68.6%	299
40 yrs	71.0%	307
41 yrs	72.0%	307
42 yrs	65.1%	324
43 yrs	62.3%	326
44 yrs	72.6%	314
45 yrs	73.7%	293
46 yrs	73.0%	296
47 yrs	81.0%	147
48 yrs	81.9%	94
49 yrs	75.0%	68
50 yrs	74.2%	31

Pass Rate Trend

How the 1971 MG Bgt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2021 (50 yrs)	74.2%	31
2020 (49 yrs)	75%	68
2019 (48 yrs)	81.9%	94
2018 (47 yrs)	81%	147
2017 (46 yrs)	73%	296
2016 (45 yrs)	73.7%	293
2015 (44 yrs)	72.6%	314
2014 (43 yrs)	62.3%	326
2013 (42 yrs)	65.1%	324
2012 (41 yrs)	72%	307
2011 (40 yrs)	71%	307
2010 (39 yrs)	68.6%	299
2009 (38 yrs)	70.5%	278

Year-by-Year MOT Results

2009

70.5%

Age (yrs) 38Tests 278Avg Mileage 41,085Top Failure Suspension — 16.9%

2010

68.6%

Age (yrs) 39Tests 299Avg Mileage 41,757Top Failure Lamps, Reflectors and Electrical Equipment — 17.1%

2011

71.0%

Age (yrs) 40Tests 307Avg Mileage 41,834Top Failure Lamps, Reflectors and Electrical Equipment — 14.7%

2012

72.0%

Age (yrs) 41Tests 307Avg Mileage 44,106Top Failure Suspension — 15.0%

2013

65.1%

Age (yrs) 42Tests 324Avg Mileage 43,473Top Failure Brakes — 37.7%

2014High Fail Rate

62.3%

Age (yrs) 43Tests 326Avg Mileage 40,752Top Failure Suspension — 44.5%

2015

72.6%

Age (yrs) 44Tests 314Avg Mileage 41,758Top Failure Brakes — 42.0%

2016

73.7%

Age (yrs) 45Tests 293Avg Mileage 41,650Top Failure Lamps, Reflectors and Electrical Equipment — 30.4%

2017

73.0%

Age (yrs) 46Tests 296Avg Mileage 42,029Top Failure Brakes — 33.4%

2018

81.0%

Age (yrs) 47Tests 147Avg Mileage 39,306Top Failure Lamps, Reflectors and Electrical Equipment — 15.6%

2019

81.9%

Age (yrs) 48Tests 94Avg Mileage 38,802Top Failure Suspension — 21.3%

2020

75.0%

Age (yrs) 49Tests 68Avg Mileage 39,776Top Failure Lamps, reflectors and electrical equipment — 27.9%

2021

74.2%

Age (yrs) 50Tests 31Avg Mileage 39,313Top Failure Suspension — 48.4%

MOT results for 1971 MG Bgt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	38	70.5%	278	41,085	Suspension — 16.9%
2010	39	68.6%	299	41,757	Lamps, Reflectors and Electrical Equipment — 17.1%
2011	40	71.0%	307	41,834	Lamps, Reflectors and Electrical Equipment — 14.7%
2012	41	72.0%	307	44,106	Suspension — 15.0%
2013	42	65.1%	324	43,473	Brakes — 37.7%
2014	43	62.3%	326	40,752	Suspension — 44.5%
2015	44	72.6%	314	41,758	Brakes — 42.0%
2016	45	73.7%	293	41,650	Lamps, Reflectors and Electrical Equipment — 30.4%
2017	46	73.0%	296	42,029	Brakes — 33.4%
2018	47	81.0%	147	39,306	Lamps, Reflectors and Electrical Equipment — 15.6%
2019	48	81.9%	94	38,802	Suspension — 21.3%
2020	49	75.0%	68	39,776	Lamps, reflectors and electrical equipment — 27.9%
2021	50	74.2%	31	39,313	Suspension — 48.4%

Common MOT Failures

Top failure categories across all test years for 1971 MG Bgt, with age trends.

Lamps, Reflectors and Electrical Equipment

24.6%

— Consistent

Suspension

24.5%

↑ Increases with age

Brakes

24.4%

↑ Increases with age

Lamps, reflectors and electrical equipment

17.9%

— Consistent

Noise, emissions and leaks

10.0%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	16.9% (38 yrs)	48.4% (50 yrs)	+31.5%	🔴 ↑
Brakes	10.4% (38 yrs)	41.9% (50 yrs)	+31.5%	🔴 ↑

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 1971 perform at MOT as they age. Data spans from 2009 to 2021, covering 3,084 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.