What year Peugeot 504 is most reliable?

Based on MOT first-test pass rates, the 1986 Peugeot 504 has the highest pass rate at 95.4%, out of 296 vehicles tested.

What are the most common Peugeot 504 MOT failures?

The most common Peugeot 504 MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Peugeot 504 — Reliability by Year

5,599 vehicles · MOT data 1980–1993 · first-test pass rates

This page shows MOT first-test pass rates for each year the Peugeot 504 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

1986

95.4% pass rate · 296 vehicles

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Lowest pass rate year

1992

57.0% pass rate · 116 vehicles

Year	Pass rate	Avg mileage	Vehicles
1993	60.7%	97,997 mi	161
1992	57.0%	102,047 mi	116
1991	61.2%	97,231 mi	115
1990	63.1%	94,897 mi	132
1989	59.8%	107,299 mi	231
1988	67.6%	74,900 mi	278
1987	71.1%	97,071 mi	266
1986	95.4%	70,630 mi	296
1985	65.1%	231,076 mi	384
1984	72.7%	98,722 mi	719
1983	74.3%	44,597 mi	821
1982	78.7%	127,865 mi	614
1981	73.7%	59,952 mi	462
1980	63.7%	105,810 mi	1,004

Which year Peugeot 504 is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 44,597 miles (newest year) to 231,076 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 Peugeot 504.

See the buying guide →

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