What year Vauxhall Astra CDI is most reliable?

Based on MOT first-test pass rates, the 1994 Vauxhall Astra CDI has the highest pass rate at 100.0%, out of 252 vehicles tested.

What are the most common Vauxhall Astra CDI MOT failures?

The most common Vauxhall Astra CDI 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 CDI — Reliability by Year

7,908 vehicles · MOT data 1989–1994 · first-test pass rates

This page shows MOT first-test pass rates for each year the Vauxhall Astra CDI 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

1994

100.0% pass rate · 252 vehicles

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Lowest pass rate year

1992

66.7% pass rate · 2,308 vehicles

Year	Pass rate	Avg mileage	Vehicles
1994	100.0%	85,784 mi	252
1993	—	—	1,133
1992	66.7%	64,220 mi	2,308
1991	100.0%	89,092 mi	646
1990	—	—	1,312
1989	100.0%	94,811 mi	2,257

Which year Vauxhall Astra CDI is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests.

Tests range from an average of 64,220 miles (newest year) to 94,811 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Vauxhall Astra CDI.

See the buying guide →

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