What year Opel Ascona Dl is most reliable?

Based on MOT first-test pass rates, the 1980 Opel Ascona Dl has the highest pass rate at 83.5%, out of 2,370 vehicles tested.

What are the most common Opel Ascona Dl MOT failures?

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

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Opel Ascona Dl — Reliability by Year

3,543 vehicles · MOT data 1980–1981 · first-test pass rates

This page shows MOT first-test pass rates for each year the Opel Ascona Dl 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

83.5% pass rate · 2,370 vehicles

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Lowest pass rate year

1981

79.9% pass rate · 1,173 vehicles

Year	Pass rate	Avg mileage	Vehicles
1981	79.9%	71,409 mi	1,173
1980	83.5%	80,202 mi	2,370

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