What year Proton Persona Sei Auto is most reliable?

Based on MOT first-test pass rates, the 1996 Proton Persona Sei Auto has the highest pass rate at 70.5%, out of 219 vehicles tested.

What are the most common Proton Persona Sei Auto MOT failures?

The most common Proton Persona Sei Auto MOT failures vary by year. Check the individual year pages for detailed defect breakdowns — links in the table above.

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Proton Persona Sei Auto — Reliability by Year

785 vehicles · MOT data 1994–1996 · first-test pass rates

This page shows MOT first-test pass rates for each year the Proton Persona Sei Auto 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

1996

70.5% pass rate · 219 vehicles

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Lowest pass rate year

1994

67.4% pass rate · 298 vehicles

Year	Pass rate	Avg mileage	Vehicles
1996	70.5%	68,487 mi	219
1995	69.3%	75,285 mi	268
1994	67.4%	77,124 mi	298

Which year Proton Persona Sei Auto is most reliable?

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

Tests range from an average of 68,487 miles (newest year) to 77,124 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 Proton Persona Sei Auto.

See the buying guide →

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