1970 MG B Gt — MOT History by Age

How cars manufactured in 1970 perform at MOT as they age

56 years

Current Age

81.7%

Latest Pass Rate

4,479

Total Tests (All Years)

44,504 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 1970 MG B Gt as it ages.

39 yrs66.1%

→ ↑0.6%

40 yrs66.7%

→ ↑1.4%

41 yrs68.1%

→ ↑2.3%

42 yrs70.4%

→ ↑0.1%

43 yrs70.5%

→ ↑2.1%

44 yrs72.6%

→ ↑4.7%

45 yrs77.3%

→ ↓4.3%

46 yrs73.0%

→ ↑1.6%

47 yrs74.6%

→ ↑6.3%

48 yrs80.9%

→ ↓1.4%

49 yrs79.5%

→ ↑2.0%

50 yrs81.5%

→ ↑0.9%

51 yrs82.4%

→ ↓3.6%

52 yrs78.8%

→ ↑8.1%

53 yrs86.9%

→ ↓5.2%

54 yrs81.7%

📊 View as table

Age	Pass Rate	Tests
39 yrs	66.1%	442
40 yrs	66.7%	427
41 yrs	68.1%	423
42 yrs	70.4%	416
43 yrs	70.5%	420
44 yrs	72.6%	416
45 yrs	77.3%	405
46 yrs	73.0%	411
47 yrs	74.6%	389
48 yrs	80.9%	152
49 yrs	79.5%	117
50 yrs	81.5%	81
51 yrs	82.4%	108
52 yrs	78.8%	80
53 yrs	86.9%	99
54 yrs	81.7%	93

Pass Rate Trend

How the 1970 MG B Gt pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2024 (54 yrs)	81.7%	93
2023 (53 yrs)	86.9%	99
2022 (52 yrs)	78.8%	80
2021 (51 yrs)	82.4%	108
2020 (50 yrs)	81.5%	81
2019 (49 yrs)	79.5%	117
2018 (48 yrs)	80.9%	152
2017 (47 yrs)	74.6%	389
2016 (46 yrs)	73%	411
2015 (45 yrs)	77.3%	405
2014 (44 yrs)	72.6%	416
2013 (43 yrs)	70.5%	420
2012 (42 yrs)	70.4%	416
2011 (41 yrs)	68.1%	423
2010 (40 yrs)	66.7%	427
2009 (39 yrs)	66.1%	442

Year-by-Year MOT Results

2009

66.1%

Age (yrs) 39Tests 442Avg Mileage 42,736Top Failure Lamps, Reflectors and Electrical Equipment — 18.6%

2010

66.7%

Age (yrs) 40Tests 427Avg Mileage 43,886Top Failure Suspension — 17.6%

2011

68.1%

Age (yrs) 41Tests 423Avg Mileage 42,995Top Failure Suspension — 15.8%

2012

70.4%

Age (yrs) 42Tests 416Avg Mileage 42,959Top Failure Lamps, Reflectors and Electrical Equipment — 15.9%

2013

70.5%

Age (yrs) 43Tests 420Avg Mileage 43,795Top Failure Lamps, Reflectors and Electrical Equipment — 32.9%

2014

72.6%

Age (yrs) 44Tests 416Avg Mileage 43,040Top Failure Lamps, Reflectors and Electrical Equipment — 31.5%

2015

77.3%

Age (yrs) 45Tests 405Avg Mileage 42,163Top Failure Lamps, Reflectors and Electrical Equipment — 22.5%

2016

73.0%

Age (yrs) 46Tests 411Avg Mileage 43,749Top Failure Lamps, Reflectors and Electrical Equipment — 33.6%

2017

74.6%

Age (yrs) 47Tests 389Avg Mileage 42,049Top Failure Lamps, Reflectors and Electrical Equipment — 22.6%

2018

80.9%

Age (yrs) 48Tests 152Avg Mileage 39,436Top Failure Suspension — 33.6%

2019

79.5%

Age (yrs) 49Tests 117Avg Mileage 38,548Top Failure Suspension — 22.2%

2020

81.5%

Age (yrs) 50Tests 81Avg Mileage 42,510Top Failure Suspension — 19.8%

2021

82.4%

Age (yrs) 51Tests 108Avg Mileage 39,585Top Failure Suspension — 17.6%

2022

78.8%

Age (yrs) 52Tests 80Avg Mileage 44,821Top Failure Brakes — 28.7%

2023

86.9%

Age (yrs) 53Tests 99Avg Mileage 42,009Top Failure Lamps, reflectors and electrical equipment — 17.2%

2024

81.7%

Age (yrs) 54Tests 93Avg Mileage 44,504Top Failure Lamps, reflectors and electrical equipment — 21.5%

MOT results for 1970 MG B Gt by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	39	66.1%	442	42,736	Lamps, Reflectors and Electrical Equipment — 18.6%
2010	40	66.7%	427	43,886	Suspension — 17.6%
2011	41	68.1%	423	42,995	Suspension — 15.8%
2012	42	70.4%	416	42,959	Lamps, Reflectors and Electrical Equipment — 15.9%
2013	43	70.5%	420	43,795	Lamps, Reflectors and Electrical Equipment — 32.9%
2014	44	72.6%	416	43,040	Lamps, Reflectors and Electrical Equipment — 31.5%
2015	45	77.3%	405	42,163	Lamps, Reflectors and Electrical Equipment — 22.5%
2016	46	73.0%	411	43,749	Lamps, Reflectors and Electrical Equipment — 33.6%
2017	47	74.6%	389	42,049	Lamps, Reflectors and Electrical Equipment — 22.6%
2018	48	80.9%	152	39,436	Suspension — 33.6%
2019	49	79.5%	117	38,548	Suspension — 22.2%
2020	50	81.5%	81	42,510	Suspension — 19.8%
2021	51	82.4%	108	39,585	Suspension — 17.6%
2022	52	78.8%	80	44,821	Brakes — 28.7%
2023	53	86.9%	99	42,009	Lamps, reflectors and electrical equipment — 17.2%
2024	54	81.7%	93	44,504	Lamps, reflectors and electrical equipment — 21.5%

Common MOT Failures

Top failure categories across all test years for 1970 MG B Gt, with age trends.

Lamps, Reflectors and Electrical Equipment

22.4%

↓ Decreases with age

Suspension

21.3%

↑ Increases with age

Brakes

17.9%

↓ Decreases with age

Lamps, reflectors and electrical equipment

17.0%

↑ Increases with age

Body, Structure and General Items

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
Brakes	15.8% (39 yrs)	10.8% (54 yrs)	-5.0%	🟢 ↓
Suspension	16.1% (39 yrs)	19.4% (54 yrs)	+3.3%	🔴 ↑

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 1970 perform at MOT as they age. Data spans from 2009 to 2024, covering 4,479 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.