What year Triumph Speed is most reliable?

Based on MOT first-test pass rates, the 2018 Triumph Speed has the highest pass rate at 93.5%, out of 523 vehicles tested.

What are the most common Triumph Speed MOT failures?

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

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Triumph Speed — Reliability by Year

3,401 vehicles · MOT data 1997–2021 · first-test pass rates

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

2018

93.5% pass rate · 523 vehicles

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Lowest pass rate year

1997

84.1% pass rate · 112 vehicles

Year	Pass rate	Avg mileage	Vehicles
2021	91.9%	4,673 mi	297
2020	93.3%	5,032 mi	856
2019	93.1%	5,820 mi	1,151
2018	93.5%	7,130 mi	523
2016	92.2%	6,196 mi	135
2015	91.5%	5,942 mi	139
2014	90.5%	7,798 mi	188
1997	84.1%	20,720 mi	112

Which year Triumph Speed is most reliable?

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

Tests range from an average of 4,673 miles (newest year) to 20,720 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 Speed.

See the buying guide →

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