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1966 MG Unclassified — MOT History by Age

How cars manufactured in 1966 perform at MOT as they age

60 years
Current Age
61.9%
Latest Pass Rate
217
Total Tests (All Years)
39,055 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 1966 MG Unclassified as it ages.

43 yrs58.6%
44 yrs63.2%
45 yrs55.0%
46 yrs61.9%

Bar chart showing pass rate by car age from 43 to 46 years

Fail Rate %
📊 View as table
AgePass RateTests
43 yrs58.6%58
44 yrs63.2%57
45 yrs55.0%60
46 yrs61.9%42

Pass Rate Trend

How the 1966 MG Unclassified pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 4 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2012 (46 yrs)61.9%42
2011 (45 yrs)55%60
2010 (44 yrs)63.2%57
2009 (43 yrs)58.6%58

Year-by-Year MOT Results

2009High Fail Rate
58.6%
Age (yrs) 43Tests 58Avg Mileage 34,777Top Failure Lamps, Reflectors and Electrical Equipment — 24.1%
2010High Fail Rate
63.2%
Age (yrs) 44Tests 57Avg Mileage 39,900Top Failure Suspension — 28.1%
2011High Fail Rate
55.0%
Age (yrs) 45Tests 60Avg Mileage 42,516Top Failure Brakes — 25.0%
2012High Fail Rate
61.9%
Age (yrs) 46Tests 42Avg Mileage 39,055Top Failure Lamps, Reflectors and Electrical Equipment — 21.4%

Common MOT Failures

Top failure categories across all test years for 1966 MG Unclassified, with age trends.

Brakes
20.9%
↓ Decreases with age
Lamps, Reflectors and Electrical Equipment
19.9%
— Consistent
Suspension
18.3%
↓ Decreases with age
Driver's View of the Road
10.3%
— Consistent
Steering
9.3%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension20.7% (43 yrs)9.5% (46 yrs)
-11.2%
🟢 ↓
Brakes22.4% (43 yrs)16.7% (46 yrs)
-5.7%
🟢 ↓
Lamps, Reflectors and Electrical Equipment24.1% (43 yrs)21.4% (46 yrs)
-2.7%
🟢 ↓
Driver's View of the Road10.3% (43 yrs)11.9% (46 yrs)
+1.6%
⚪ —

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 1966 perform at MOT as they age. Data spans from 2009 to 2012, covering 217 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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