1973 MG B Gt V8 — MOT History by Age

How cars manufactured in 1973 perform at MOT as they age

53 years

Current Age

84.4%

Latest Pass Rate

351

Total Tests (All Years)

55,984 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 B Gt V8 as it ages.

36 yrs74.2%

→ ↑7.4%

37 yrs81.6%

→ ↑6.3%

38 yrs87.9%

→ ↓9.1%

39 yrs78.8%

→ ↑4.1%

40 yrs82.9%

→ ↑2.8%

41 yrs85.7%

→ ↓10.7%

42 yrs75.0%

→ ↑5.0%

43 yrs80.0%

→ ↑6.8%

44 yrs86.8%

→ ↓2.4%

48 yrs84.4%

📊 View as table

Age	Pass Rate	Tests
36 yrs	74.2%	31
37 yrs	81.6%	38
38 yrs	87.9%	33
39 yrs	78.8%	33
40 yrs	82.9%	35
41 yrs	85.7%	35
42 yrs	75.0%	36
43 yrs	80.0%	40
44 yrs	86.8%	38
48 yrs	84.4%	32

Pass Rate Trend

How the 1973 MG B Gt V8 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2021 (48 yrs)	84.4%	32
2017 (44 yrs)	86.8%	38
2016 (43 yrs)	80%	40
2015 (42 yrs)	75%	36
2014 (41 yrs)	85.7%	35
2013 (40 yrs)	82.9%	35
2012 (39 yrs)	78.8%	33
2011 (38 yrs)	87.9%	33
2010 (37 yrs)	81.6%	38
2009 (36 yrs)	74.2%	31

Year-by-Year MOT Results

2009

74.2%

Age (yrs) 36Tests 31Avg Mileage 49,187Top Failure Brakes — 22.6%

2010

81.6%

Age (yrs) 37Tests 38Avg Mileage 49,351Top Failure Brakes — 7.9%

2011

87.9%

Age (yrs) 38Tests 33Avg Mileage 45,708Top Failure Suspension — 6.1%

2012

78.8%

Age (yrs) 39Tests 33Avg Mileage 46,780Top Failure Brakes — 15.2%

2013

82.9%

Age (yrs) 40Tests 35Avg Mileage 48,137Top Failure Suspension — 14.3%

2014

85.7%

Age (yrs) 41Tests 35Avg Mileage 43,147Top Failure Brakes — 17.1%

2015

75.0%

Age (yrs) 42Tests 36Avg Mileage 44,482Top Failure Suspension — 22.2%

2016

80.0%

Age (yrs) 43Tests 40Avg Mileage 47,165Top Failure Lamps, Reflectors and Electrical Equipment — 37.5%

2017

86.8%

Age (yrs) 44Tests 38Avg Mileage 49,105Top Failure Lamps, Reflectors and Electrical Equipment — 15.8%

2021

84.4%

Age (yrs) 48Tests 32Avg Mileage 55,984Top Failure Brakes — 18.8%

MOT results for 1973 MG B Gt V8 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	36	74.2%	31	49,187	Brakes — 22.6%
2010	37	81.6%	38	49,351	Brakes — 7.9%
2011	38	87.9%	33	45,708	Suspension — 6.1%
2012	39	78.8%	33	46,780	Brakes — 15.2%
2013	40	82.9%	35	48,137	Suspension — 14.3%
2014	41	85.7%	35	43,147	Brakes — 17.1%
2015	42	75.0%	36	44,482	Suspension — 22.2%
2016	43	80.0%	40	47,165	Lamps, Reflectors and Electrical Equipment — 37.5%
2017	44	86.8%	38	49,105	Lamps, Reflectors and Electrical Equipment — 15.8%
2021	48	84.4%	32	55,984	Brakes — 18.8%

Common MOT Failures

Top failure categories across all test years for 1973 MG B Gt V8, with age trends.

Brakes

15.2%

↓ Decreases with age

Suspension

12.7%

— Consistent

Lamps, Reflectors and Electrical Equipment

12.7%

↑ Increases with age

Lamps, reflectors and electrical equipment

12.5%

— Consistent

Visibility

9.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	22.6% (36 yrs)	18.8% (48 yrs)	-3.8%	🟢 ↓

Other Manufacture Years

1971 1973 1974 1975 1976

← Back to MG B Gt V8 overview

Looking for the best year to buy? See the full comparison on the MG B Gt V8 page →

About This Data

This page shows how MG B Gt V8 cars manufactured in 1973 perform at MOT as they age. Data spans from 2009 to 2021, covering 351 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.