What year Proton SE is most reliable?

Based on MOT first-test pass rates, the 1991 Proton SE has the highest pass rate at 72.6%, out of 1,735 vehicles tested.

What are the most common Proton SE MOT failures?

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

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Proton SE — Reliability by Year

7,983 vehicles · MOT data 1989–1994 · first-test pass rates

This page shows MOT first-test pass rates for each year the Proton SE 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

1991

72.6% pass rate · 1,735 vehicles

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Lowest pass rate year

1989

59.9% pass rate · 935 vehicles

Year	Pass rate	Avg mileage	Vehicles
1994	71.0%	91,478 mi	199
1993	68.8%	75,608 mi	1,964
1992	69.6%	83,959 mi	1,707
1991	72.6%	85,961 mi	1,735
1990	67.9%	68,739 mi	1,443
1989	59.9%	83,483 mi	935

Which year Proton SE is most reliable?

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

Tests range from an average of 68,739 miles (newest year) to 91,478 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 SE.

See the buying guide →

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