What year Proton Jumbuck is most reliable?

Based on MOT first-test pass rates, the 2006 Proton Jumbuck has the highest pass rate at 72.4%, out of 473 vehicles tested.

What are the most common Proton Jumbuck MOT failures?

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

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Proton Jumbuck — Reliability by Year

1,661 vehicles · MOT data 2003–2006 · first-test pass rates

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

2006

72.4% pass rate · 473 vehicles

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Lowest pass rate year

2003

69.8% pass rate · 296 vehicles

Year	Pass rate	Avg mileage	Vehicles
2006	72.4%	47,779 mi	473
2005	71.2%	50,616 mi	322
2004	70.3%	51,566 mi	570
2003	69.8%	50,130 mi	296

Which year Proton Jumbuck is most reliable?

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

Tests range from an average of 47,779 miles (newest year) to 51,566 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 Jumbuck.

See the buying guide →

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