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Triumph Thunderbird — Reliability by Year

5,299 vehicles · MOT data 1995–2017 · first-test pass rates

This page shows MOT first-test pass rates for each year the Triumph Thunderbird was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

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Best pass rate year
2017
92.3% pass rate · 167 vehicles
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Lowest pass rate year
1995
87.3% pass rate · 542 vehicles
Year Pass rate Avg mileage Vehicles
2017
92.3%
7,214 mi 167
2016
90.1%
8,056 mi 184
2015
91.8%
9,011 mi 310
2014
91.2%
9,937 mi 404
2013
91.9%
9,898 mi 231
2012
91.0%
9,865 mi 119
2011
90.3%
12,012 mi 114
2010
89.4%
12,129 mi 181
2009
91.2%
13,145 mi 100
2004
89.6%
11,358 mi 184
2003
91.3%
11,234 mi 266
2002
90.9%
11,063 mi 318
2001
91.7%
12,101 mi 274
2000
89.5%
14,783 mi 330
1999
88.7%
13,906 mi 381
1998
89.3%
14,675 mi 458
1997
87.8%
14,349 mi 307
1996
87.9%
16,434 mi 429
1995
87.3%
17,416 mi 542

Which year Triumph Thunderbird is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 7,214 miles (newest year) to 17,416 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Triumph Thunderbird.

See the buying guide →

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