What year Vauxhall Astra Merit Diesel is most reliable?

Based on MOT first-test pass rates, the 1993 Vauxhall Astra Merit Diesel has the highest pass rate at 100.0%, out of 5,306 vehicles tested.

What are the most common Vauxhall Astra Merit Diesel MOT failures?

The most common Vauxhall Astra Merit Diesel MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Vauxhall Astra Merit Diesel — Reliability by Year

30,654 vehicles · MOT data 1986–1997 · first-test pass rates

This page shows MOT first-test pass rates for each year the Vauxhall Astra Merit Diesel 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
1997	—	—	155
1996	—	—	1,518
1995	—	—	3,649
1994	—	—	4,970
1993	100.0%	0 mi	5,306
1992	—	—	3,994
1991	—	—	1,424
1990	—	—	1,631
1989	—	—	2,934
1988	—	—	2,310
1987	—	—	2,428
1986	—	—	335

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