1966 Triumph Thunderbird — MOT History by Age
How cars manufactured in 1966 perform at MOT as they age
Data from official DVSA MOT testing records
Insufficient data for same-age comparison.
How This Car Ages
Pass rate progression for the 1966 Triumph Thunderbird as it ages.
Bar chart showing pass rate by car age from 44 to 51 years
📊 View as table
| Age | Pass Rate | Tests |
|---|---|---|
| 44 yrs | 90.3% | 31 |
| 46 yrs | 83.9% | 31 |
| 47 yrs | 90.6% | 32 |
| 51 yrs | 100.0% | 30 |
Pass Rate Trend
How the 1966 Triumph Thunderbird pass rate changes as it ages, from first MOT to most recent.
Trend shows improving over 4 years
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| Built | Pass Rate | Tests |
|---|---|---|
| 2017 (51 yrs) | 100% | 30 |
| 2013 (47 yrs) | 90.6% | 32 |
| 2012 (46 yrs) | 83.9% | 31 |
| 2010 (44 yrs) | 90.3% | 31 |
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 1966 Triumph Thunderbird, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
Not enough data to compare failures across ages.
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Triumph Thunderbird page →
About This Data
This page shows how Triumph Thunderbird cars manufactured in 1966 perform at MOT as they age. Data spans from 2010 to 2017, covering 124 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.