PROTON JUMBUCK (2003)
Running costs, reliability data, and common problems from 108 real MOT tests.
Annual Cost
£1,957
£163/month
MOT Pass Rate
71%
Average
Road Tax
£265
Based on CC/year
Insurance
Grp 12-25
1468cc Petrol
Check Carefully
71% pass rate, £1957/year to run. 11 points below average.
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Annual Running Costs
~42 mpg
Based on 1468cc
Higher estimate due to low pass rate
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT data. Insurance not included.
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Reliability Verdict
Average reliability. Expect some repairs as it ages. That's 11 points below the national average of 82%.
At 23 years old, 71% of PROTON JUMBUCKs from 2003 passed their MOT first time in 2026. That's based on 108 tests across the UK. The average mileage at this age is 78,597 miles.
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How Does It Compare?
Mileage Analysis
78,597
Average miles
170,200
Expected for age
The average 2003 PROTON JUMBUCK has 78,597 miles on the clock, which is significantly below the expected 170,200 miles for a 23-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
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Best Year to Buy?
The most reliable year is the 2005 model with a 76% MOT pass rate, while the 2004 model has the lowest at 68%. The 2003 sits between the two at 71%.
PROTON JUMBUCK by Year
Similar Cars to Consider
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About the 2003 PROTON JUMBUCK
The 2003 PROTON JUMBUCK is a small family car with a 1468cc petrol engine. 108 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. Among all cars from 2003, the average MOT pass rate is 72%, and this model falls short of that benchmark.
With an average of 78,597 miles at 23 years old, PROTON JUMBUCK owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
2003 PROTON JUMBUCK Fuel Costs
The 1468cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2003 PROTON JUMBUCK?
Total estimated annual running cost is £1,957 (£163/month), broken down as £1137 fuel, £265 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 71% pass rate. Keeping on top of servicing will help avoid surprises.
PROTON JUMBUCK Reliability Trend
The PROTON JUMBUCK has maintained consistent MOT pass rates across model years, varying by only 3 percentage points.
Buying a Used 2003 PROTON JUMBUCK
At 23 years old, the PROTON JUMBUCK is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2005 model has the highest pass rate at 76%.
Common Issues to Watch For
Based on the 2003 PROTON JUMBUCK's fuel type, age, and engine size, these are the most likely problem areas to check.
Rust and Corrosion
Watch outAt 10+ years, check wheel arches, sills, subframe, and brake lines for rust. Structural corrosion is an MOT failure. Prevention is far cheaper than repair.
Suspension Bushings
Watch outRubber suspension bushes harden and crack with age, causing knocking noises and vague handling. A full refresh costs £300-£800 depending on the car.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Running Costs Compared
How the 2003 PROTON JUMBUCK stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PROTON JUMBUCK(2003) | 71% | £1137 | £265 | Grp 12-25 | £1957 |
| MINI MINI(2005) | 71% | £1137 | £135 | Grp 12-25 | £1827-£130 |
| FORD FOCUS(2005) | 71% | £1137 | £135 | Grp 12-25 | £1827-£130 |
| FORD FIESTA(2003) | 71% | £1137 | £30 | Grp 8-20 | £1722-£235 |
| TOYOTA YARIS(2005) | 73% | £1137 | £30 | Grp 8-20 | £1722-£235 |
Estimates based on 7,400 miles/year, current fuel prices, and MOT data. Insurance groups are indicative. Actual costs vary by driver, location, and usage.
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