What year Proton Impian is most reliable?

Based on MOT first-test pass rates, the 2007 Proton Impian has the highest pass rate at 76.8%, out of 172 vehicles tested.

What are the most common Proton Impian MOT failures?

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

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Proton Impian — Reliability by Year

2,309 vehicles · MOT data 2001–2007 · first-test pass rates

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

2007

76.8% pass rate · 172 vehicles

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Lowest pass rate year

2001

69.2% pass rate · 271 vehicles

Year	Pass rate	Avg mileage	Vehicles
2007	76.8%	53,509 mi	172
2006	74.1%	52,642 mi	256
2005	71.2%	51,078 mi	384
2004	72.1%	55,914 mi	372
2003	70.1%	54,122 mi	383
2002	69.7%	59,771 mi	471
2001	69.2%	65,592 mi	271

Which year Proton Impian is most reliable?

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

Tests range from an average of 51,078 miles (newest year) to 65,592 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 Impian.

See the buying guide →

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