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1973 MG Unclassified — MOT History by Age

How cars manufactured in 1973 perform at MOT as they age

53 years
Current Age
76.3%
Latest Pass Rate
366
Total Tests (All Years)
25,569 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 Unclassified as it ages.

36 yrs70.8%
37 yrs63.1%
38 yrs58.5%
39 yrs61.4%
44 yrs66.7%
51 yrs76.3%

Bar chart showing pass rate by car age from 36 to 51 years

Fail Rate %
📊 View as table
AgePass RateTests
36 yrs70.8%89
37 yrs63.1%84
38 yrs58.5%65
39 yrs61.4%57
44 yrs66.7%33
51 yrs76.3%38

Pass Rate Trend

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

Trend shows improving over 6 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (51 yrs)76.3%38
2017 (44 yrs)66.7%33
2012 (39 yrs)61.4%57
2011 (38 yrs)58.5%65
2010 (37 yrs)63.1%84
2009 (36 yrs)70.8%89

Year-by-Year MOT Results

2009
70.8%
Age (yrs) 36Tests 89Avg Mileage 40,665Top Failure Lamps, Reflectors and Electrical Equipment — 21.3%
2010High Fail Rate
63.1%
Age (yrs) 37Tests 84Avg Mileage 41,359Top Failure Lamps, Reflectors and Electrical Equipment — 27.4%
2011High Fail Rate
58.5%
Age (yrs) 38Tests 65Avg Mileage 35,369Top Failure Brakes — 23.1%
2012High Fail Rate
61.4%
Age (yrs) 39Tests 57Avg Mileage 40,102Top Failure Lamps, Reflectors and Electrical Equipment — 24.6%
2017
66.7%
Age (yrs) 44Tests 33Avg Mileage 33,958Top Failure Lamps, Reflectors and Electrical Equipment — 57.6%
2024
76.3%
Age (yrs) 51Tests 38Avg Mileage 25,569Top Failure Suspension — 28.9%

Common MOT Failures

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

Lamps, Reflectors and Electrical Equipment
30.5%
↑ Increases with age
Suspension
25.7%
↑ Increases with age
Brakes
18.6%
— Consistent
Tyres
18.0%
↑ Increases with age
Non-component advisories
13.2%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension15.7% (36 yrs)28.9% (51 yrs)
+13.2%
🔴 ↑
Brakes20.2% (36 yrs)18.4% (51 yrs)
-1.8%
⚪ —

Other Manufacture Years

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

About This Data

This page shows how MG Unclassified cars manufactured in 1973 perform at MOT as they age. Data spans from 2009 to 2024, covering 366 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.

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