What year Porsche 924 is most reliable?

Based on MOT first-test pass rates, the 1987 Porsche 924 has the highest pass rate at 73.6%, out of 330 vehicles tested.

What are the most common Porsche 924 MOT failures?

The most common Porsche 924 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Porsche 924 — Reliability by Year

7,747 vehicles · MOT data 1980–1988 · first-test pass rates

This page shows MOT first-test pass rates for each year the Porsche 924 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

1987

73.6% pass rate · 330 vehicles

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Lowest pass rate year

1983

65.6% pass rate · 1,213 vehicles

Year	Pass rate	Avg mileage	Vehicles
1988	70.8%	46,575 mi	226
1987	73.6%	53,814 mi	330
1986	71.4%	46,540 mi	801
1985	68.5%	45,635 mi	677
1984	67.1%	47,947 mi	878
1983	65.6%	46,928 mi	1,213
1982	68.1%	46,017 mi	1,124
1981	68.4%	50,781 mi	1,366
1980	66.9%	52,328 mi	1,132

Which year Porsche 924 is most reliable?

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

Tests range from an average of 45,635 miles (newest year) to 53,814 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 Porsche 924.

See the buying guide →

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Check any UK registration — free MOT history and risk insights.