PIAGGIO PORTER (2003)
Running costs, reliability data, and common problems from 31 real MOT tests.
Annual Cost
£1,625
£135/month
MOT Pass Rate
74%
Average
Road Tax
£165
Based on CC/year
Insurance
Grp 8-20
1371cc Diesel
Check Carefully
74% pass rate, £1625/year to run. 8 points below average.
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Annual Running Costs
~55 mpg
Based on 1371cc
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 8 points below the national average of 82%.
At 23 years old, 74% of PIAGGIO PORTERs from 2003 passed their MOT first time in 2026. That's based on 31 tests across the UK. The average mileage at this age is 51,129 miles.
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How Does It Compare?
Mileage Analysis
51,129
Average miles
170,200
Expected for age
The average 2003 PIAGGIO PORTER has 51,129 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 2009 model with a 78% MOT pass rate, while the 2008 model has the lowest at 68%. The 2003 sits between the two at 74%.
PIAGGIO PORTER by Year
Similar Cars to Consider
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About the 2003 PIAGGIO PORTER
The 2003 PIAGGIO PORTER is a small family car with a 1371cc diesel engine. 31 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 beats that benchmark.
With an average of 51,129 miles at 23 years old, PIAGGIO PORTER 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 PIAGGIO PORTER Fuel Costs
The 1371cc diesel engine offers a reasonable balance between performance and economy. Expect around 55 mpg in mixed driving, which works out to roughly £905 per year at current diesel prices of 148p per litre (based on 7,400 miles per year). Diesel cars of this age should have their DPF (diesel particulate filter) checked, as replacements can be costly.
What does it cost to own a 2003 PIAGGIO PORTER?
Total estimated annual running cost is £1,625 (£135/month), broken down as £905 fuel, £165 road tax, £55 MOT, and £500 predicted repairs. Repair costs are moderate, reflecting the 74% pass rate. Keeping on top of servicing will help avoid surprises.
PIAGGIO PORTER Reliability Trend
Newer PIAGGIO PORTERs show better MOT pass rates than older ones, with an average improvement of 3 percentage points.
Buying a Used 2003 PIAGGIO PORTER
At 23 years old, the PIAGGIO PORTER 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 2009 model has the highest pass rate at 78%. Note: with only 31 tests in our data, these figures should be treated as indicative rather than definitive.
Common Issues to Watch For
Based on the 2003 PIAGGIO PORTER's fuel type, age, and engine size, these are the most likely problem areas to check.
DPF (Diesel Particulate Filter)
Watch outShort journeys clog the DPF. Replacement costs £1,000-£2,500. Check the DPF warning light and ask about driving patterns.
Turbo Wear
Watch outDiesel turbos work harder and wear faster. Listen for whining noises and check for oil leaks around the turbo housing.
EGR Valve
Watch outExhaust Gas Recirculation valves clog with carbon deposits, causing rough running and poor economy. Cleaning costs £150-£300, replacement £300-£600.
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 PIAGGIO PORTER stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PIAGGIO PORTER(2003) | 74% | £905 | £165 | Grp 8-20 | £1625 |
| FORD FIESTA(2005) | 70% | £905 | £30 | Grp 8-20 | £1490-£135 |
| VOLKSWAGEN POLO(2005) | 68% | £905 | £30 | Grp 8-20 | £1690+£65 |
| VAUXHALL ASTRA(2005) | 69% | £905 | £135 | Grp 12-25 | £1795+£170 |
| HONDA CIVIC(2004) | 72% | £1037 | £135 | Grp 18-32 | £1727+£102 |
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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