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1979 MG Roadster — MOT History by Age

How cars manufactured in 1979 perform at MOT as they age

47 years
Current Age
50.0%
Latest Pass Rate
270
Total Tests (All Years)
50,560 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 1979 MG Roadster as it ages.

30 yrs67.6%
31 yrs64.5%
32 yrs71.4%
33 yrs64.5%
34 yrs48.6%
35 yrs50.0%
36 yrs51.4%
37 yrs50.0%

Bar chart showing pass rate by car age from 30 to 37 years

Fail Rate %
📊 View as table
AgePass RateTests
30 yrs67.6%37
31 yrs64.5%31
32 yrs71.4%35
33 yrs64.5%31
34 yrs48.6%35
35 yrs50.0%34
36 yrs51.4%35
37 yrs50.0%32

Pass Rate Trend

How the 1979 MG Roadster pass rate changes as it ages, from first MOT to most recent.

Trend shows stable over 8 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2016 (37 yrs)50%32
2015 (36 yrs)51.4%35
2014 (35 yrs)50%34
2013 (34 yrs)48.6%35
2012 (33 yrs)64.5%31
2011 (32 yrs)71.4%35
2010 (31 yrs)64.5%31
2009 (30 yrs)67.6%37

Year-by-Year MOT Results

2009
67.6%
Age (yrs) 30Tests 37Avg Mileage 52,404Top Failure Driver's View of the Road — 18.9%
2010High Fail Rate
64.5%
Age (yrs) 31Tests 31Avg Mileage 51,982Top Failure Lamps, Reflectors and Electrical Equipment — 22.6%
2011
71.4%
Age (yrs) 32Tests 35Avg Mileage 50,455Top Failure Lamps, Reflectors and Electrical Equipment — 17.1%
2012High Fail Rate
64.5%
Age (yrs) 33Tests 31Avg Mileage 43,692Top Failure Lamps, Reflectors and Electrical Equipment — 22.6%
2013High Fail Rate
48.6%
Age (yrs) 34Tests 35Avg Mileage 51,291Top Failure Lamps, Reflectors and Electrical Equipment — 51.4%
2014High Fail Rate
50.0%
Age (yrs) 35Tests 34Avg Mileage 49,295Top Failure Lamps, Reflectors and Electrical Equipment — 55.9%
2015High Fail Rate
51.4%
Age (yrs) 36Tests 35Avg Mileage 47,888Top Failure Brakes — 51.4%
2016High Fail Rate
50.0%
Age (yrs) 37Tests 32Avg Mileage 50,560Top Failure Lamps, Reflectors and Electrical Equipment — 50.0%

Common MOT Failures

Top failure categories across all test years for 1979 MG Roadster, with age trends.

Lamps, Reflectors and Electrical Equipment
35.9%
↑ Increases with age
Suspension
27.2%
↑ Increases with age
Brakes
20.5%
↑ Increases with age
Body, Structure and General Items
20.0%
— Consistent
Driver's View of the Road
19.7%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Lamps, Reflectors and Electrical Equipment18.9% (30 yrs)50.0% (37 yrs)
+31.1%
🔴 ↑
Suspension16.2% (30 yrs)40.6% (37 yrs)
+24.4%
🔴 ↑
Driver's View of the Road18.9% (30 yrs)28.1% (37 yrs)
+9.2%
🔴 ↑
Brakes13.5% (30 yrs)18.8% (37 yrs)
+5.3%
🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how MG Roadster cars manufactured in 1979 perform at MOT as they age. Data spans from 2009 to 2016, covering 270 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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