What year Triumph Street Triple is most reliable?

Based on MOT first-test pass rates, the 2013 Triumph Street Triple has the highest pass rate at 90.9%, out of 274 vehicles tested.

What are the most common Triumph Street Triple MOT failures?

The most common Triumph Street Triple MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Triumph Street Triple — Reliability by Year

4,595 vehicles · MOT data 2007–2013 · first-test pass rates

This page shows MOT first-test pass rates for each year the Triumph Street Triple 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

2013

90.9% pass rate · 274 vehicles

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Lowest pass rate year

2007

88.5% pass rate · 424 vehicles

Year	Pass rate	Avg mileage	Vehicles
2013	90.9%	11,277 mi	274
2012	90.4%	9,876 mi	652
2011	89.3%	10,556 mi	663
2010	90.6%	10,995 mi	875
2009	90.1%	11,588 mi	856
2008	89.6%	12,700 mi	851
2007	88.5%	12,320 mi	424

Which year Triumph Street Triple is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 9,876 miles (newest year) to 12,700 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 Street Triple.

See the buying guide →

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Check any UK registration — free MOT history and risk insights.