What year Porsche 944 S is most reliable?

Based on MOT first-test pass rates, the 1988 Porsche 944 S has the highest pass rate at 73.8%, out of 110 vehicles tested.

What are the most common Porsche 944 S MOT failures?

The most common Porsche 944 S MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Porsche 944 S — Reliability by Year

110 vehicles · MOT data 1988–1988 · first-test pass rates

This page shows MOT first-test pass rates for each year the Porsche 944 S 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
1988	73.8%	122,512 mi	110

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