CarCostCheck

PORSCHE CAYENNE (2003)

Running costs, common problems, and reliability data based on 1,257 real MOT tests in 2024.

Share:XFacebookWhatsApp

MOT Pass Rate

84%

Total Tests (2024)

1,257

Avg Mileage

121,522 mi

Est. Annual Cost

£2,247

Is the 2003 PORSCHE CAYENNE reliable?

Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the PORSCHE brand average of 92%.

At 21 years old, 84% of PORSCHE CAYENNEs from 2003 passed their MOT first time in 2024. That's based on 1,257 tests across the UK. The average mileage at this age is 121,522 miles.

How does the 2003 PORSCHE CAYENNE compare?

Rank among all 2003 cars59th out of 445(top 13%)
Rank among all PORSCHE models245th out of 276(top 89%)
vs national average+2% (82% avg)
vs 2003 cars average+12% (72% avg)
vs PORSCHE average-8% (92% avg)

Mileage Analysis

The average 2003 PORSCHE CAYENNE has 121,522 miles on the clock, which is below the expected 155,400 miles for a 21-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Best year to buy a PORSCHE CAYENNE?

The most reliable year is the 2020 model with a 96% MOT pass rate, while the 2007 model has the lowest at 83%. The 2003 sits between the two at 84%.

How much does a 2003 PORSCHE CAYENNE cost to run?

⛽Fuel (Petrol, 4511cc)
£1,592
🏛️Road Tax
£250
🔧MOT Test
£55
🛠️Predicted Repairs
£350
Total per year£2,247
Per month£187/mo

Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.

PORSCHE CAYENNE by Year

YearPass RateTestsAvg Mileage
202296%8324,282 mi
202195%4,11527,090 mi
202096%7,13634,631 mi
201995%9,06340,685 mi
201893%5,31051,571 mi
201792%4,85665,047 mi
201692%7,33371,856 mi
201593%6,25879,263 mi
201491%5,62686,652 mi
201391%6,26196,482 mi
201289%5,233104,317 mi
201190%3,069107,653 mi
201089%2,126113,736 mi
200987%1,955119,837 mi
200886%1,384109,907 mi
200783%1,790115,755 mi
200686%2,242118,992 mi
200584%2,951124,592 mi
200484%2,598125,338 mi
200384%1,257121,522 mi

Checking a specific PORSCHE CAYENNE?

Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.

GB

Free instant check using official DVSA and DVLA data

About the 2003 PORSCHE CAYENNE

The 2003 PORSCHE CAYENNE is a luxury with a 4511cc petrol engine. 1,257 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 13% of all 2003 cars for reliability.

With an average of 121,522 miles at 21 years old, PORSCHE CAYENNE owners tend to use this car less than the typical driver.

2003 PORSCHE CAYENNE Fuel Costs

The 4511cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 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 PORSCHE CAYENNE?

Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 84% pass rate. Keeping on top of servicing will help avoid surprises.

PORSCHE CAYENNE Reliability Trend

Newer PORSCHE CAYENNEs show better MOT pass rates than older ones, with an average improvement of 7 percentage points.

Buying a Used 2003 PORSCHE CAYENNE

At 21 years old, the PORSCHE CAYENNE 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 2020 model has the highest pass rate at 96%.

Alternatives to the 2003 PORSCHE CAYENNE

If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines: