What year Opel Kadett L is most reliable?

Based on MOT first-test pass rates, the 1980 Opel Kadett L has the highest pass rate at 100.0%, out of 1,728 vehicles tested.

What are the most common Opel Kadett L MOT failures?

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

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Opel Kadett L — Reliability by Year

1,728 vehicles · MOT data 1980–1980 · first-test pass rates

This page shows MOT first-test pass rates for each year the Opel Kadett L was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Year	Pass rate	Avg mileage	Vehicles
1980	100.0%	22,333 mi	1,728

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