What year Triumph Dolomite 1300 is most reliable?

Based on MOT first-test pass rates, the 1980 Triumph Dolomite 1300 has the highest pass rate at 65.0%, out of 4,130 vehicles tested.

What are the most common Triumph Dolomite 1300 MOT failures?

The most common Triumph Dolomite 1300 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 1300 — Reliability by Year

5,468 vehicles · MOT data 1980–1981 · first-test pass rates

This page shows MOT first-test pass rates for each year the Triumph Dolomite 1300 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

65.0% pass rate · 4,130 vehicles

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Lowest pass rate year

1981

60.0% pass rate · 1,338 vehicles

Year	Pass rate	Avg mileage	Vehicles
1981	60.0%	56,485 mi	1,338
1980	65.0%	69,033 mi	4,130

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