What year Opel Kadett Hatch 12l is most reliable?

Based on MOT first-test pass rates, the 1981 Opel Kadett Hatch 12l has the highest pass rate at 42.9%, out of 969 vehicles tested.

What are the most common Opel Kadett Hatch 12l MOT failures?

The most common Opel Kadett Hatch 12l 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 Hatch 12l — Reliability by Year

1,385 vehicles · MOT data 1980–1982 · first-test pass rates

This page shows MOT first-test pass rates for each year the Opel Kadett Hatch 12l 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
1982	—	—	307
1981	42.9%	82,295 mi	969
1980	—	—	109

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