Proton Jumbuck
Reliability, estimated running costs, and MOT data across 4 model years from 873 MOT tests in 2024.
Avg Pass Rate
71%
Total Tests
873
Highest Pass Rate
2005 (76%)
Years Covered
4
About the Proton Jumbuck
The Proton Jumbuck was MOT tested 873 times in 2024 (DVSA data, retests included) across 4 model years (2003 to 2006), with an average pass rate of 71%. That's 11 points below the average of 82% across all models in our data, so check the year-by-year data carefully before buying. Our records list petrol versions.
Best and Worst Years
Of the years with at least 100 tests, the 2005 model has the highest pass rate at 76% from 160 tests. The 2004 model has the lowest at 68%. The 8 point gap means pass rates vary somewhat between years, but no year is dramatically different. Newer cars usually pass more often simply because they are younger.
Reliability Trend
The Proton Jumbuck has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Mileage Across Years
The oldest model in our data (2003) averages 78,597 miles, while the newest (2006) averages 70,948 miles.
Estimated Running Costs
Higher due to low pass rate
Based on 7,400 miles/year, average pump prices of 174.57p petrol and 199.33p diesel (GOV.UK weekly road fuel prices, week of 19 October 2026), and MOT pass rate data. Insurance not included.
Full 2006 detailsHow reliable is the Proton Jumbuck?
Proton Jumbuck by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
Questions about the Proton Jumbuck
Is the Proton Jumbuck reliable?
Across its 4 model years in our data (2003 to 2006), the Proton Jumbuck averages a 71% MOT pass rate, from 873 tests (DVSA MOT data for tests in 2024, retests included). That's 11 points below the average of 82% across all models in the same data. The 2005 model has the highest pass rate of the years with at least 100 tests, at 76%.
Which year Proton Jumbuck has the best MOT pass rate?
Of the years with at least 100 tests, the 2005 Proton Jumbuck has the highest MOT pass rate at 76%, while the 2004 model has the lowest at 68%, a 8 point gap. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Are newer Proton Jumbucks more reliable?
The Proton Jumbuck has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
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