What year Triumph Dolomite is most reliable?

Based on MOT first-test pass rates, the 1980 Triumph Dolomite has the highest pass rate at 71.0%, out of 480 vehicles tested.

What are the most common Triumph Dolomite MOT failures?

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

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Triumph Dolomite — Reliability by Year

608 vehicles · MOT data 1980–1981 · first-test pass rates

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

1980

71.0% pass rate · 480 vehicles

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Lowest pass rate year

1981

65.4% pass rate · 128 vehicles

Year	Pass rate	Avg mileage	Vehicles
1981	65.4%	55,646 mi	128
1980	71.0%	58,965 mi	480

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