What year Opel Kadett Ls is most reliable?

Based on MOT first-test pass rates, the 1981 Opel Kadett Ls has the highest pass rate at 100.0%, out of 4,647 vehicles tested.

What are the most common Opel Kadett Ls MOT failures?

The most common Opel Kadett Ls 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 Ls — Reliability by Year

9,465 vehicles · MOT data 1980–1982 · first-test pass rates

This page shows MOT first-test pass rates for each year the Opel Kadett Ls 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

1981

100.0% pass rate · 4,647 vehicles

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Lowest pass rate year

1980

74.1% pass rate · 4,131 vehicles

Year	Pass rate	Avg mileage	Vehicles
1982	—	—	687
1981	100.0%	2,999 mi	4,647
1980	74.1%	60,987 mi	4,131

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