PORSCHE CAYENNE (2005)
Running costs, reliability data, and common problems from 2,951 real MOT tests.
Annual Cost
£1,807
£151/month
MOT Pass Rate
84%
Good
Road Tax
£265
Based on CC/year
Insurance
Grp 12-25
1511cc Petrol
Solid Option
84% pass rate, £1807/year to run. Close to the national average.
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Annual Running Costs
~42 mpg
Based on 1511cc
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
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 2005 passed their MOT first time in 2026. That's based on 2,951 tests across the UK. The average mileage at this age is 124,592 miles.
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How Does It Compare?
Mileage Analysis
124,592
Average miles
155,400
Expected for age
The average 2005 PORSCHE CAYENNE has 124,592 miles on the clock, which is in line with the expected 155,400 miles for a 21-year-old car, suggesting normal everyday use.
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Best Year to Buy?
The most reliable year is the 2020 model with a 96% MOT pass rate, while the 2007 model has the lowest at 83%. The 2005 sits between the two at 84%.
PORSCHE CAYENNE by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2022 | 96% | 83 | 24,282 mi | |
| 2021 | 95% | 4,115 | 27,090 mi | |
| 2020 | 96% | 7,136 | 34,631 mi | |
| 2019 | 95% | 9,063 | 40,685 mi | |
| 2018 | 93% | 5,310 | 51,571 mi | |
| 2017 | 92% | 4,856 | 65,047 mi | |
| 2016 | 92% | 7,333 | 71,856 mi | |
| 2015 | 93% | 6,258 | 79,263 mi | |
| 2014 | 91% | 5,626 | 86,652 mi | |
| 2013 | 91% | 6,261 | 96,482 mi | |
| 2012 | 89% | 5,233 | 104,317 mi | |
| 2011 | 90% | 3,069 | 107,653 mi | |
| 2010 | 89% | 2,126 | 113,736 mi | |
| 2009 | 87% | 1,955 | 119,837 mi | |
| 2008 | 86% | 1,384 | 109,907 mi | |
| 2007 | 83% | 1,790 | 115,755 mi | |
| 2006 | 86% | 2,242 | 118,992 mi | |
| 2005 | 84% | 2,951 | 124,592 mi | |
| 2004 | 84% | 2,598 | 125,338 mi | |
| 2003 | 84% | 1,257 | 121,522 mi |
Similar Cars to Consider
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About the 2005 PORSCHE CAYENNE
The 2005 PORSCHE CAYENNE is a luxury with a 1511cc petrol engine. 2,951 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It ranks in the top 16% of all 2005 cars for reliability.
With an average of 124,592 miles at 21 years old, PORSCHE CAYENNE owners drive about as much as the UK average.
2005 PORSCHE CAYENNE Fuel Costs
The 1511cc 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 2005 PORSCHE CAYENNE?
Total estimated annual running cost is £1,807 (£151/month), broken down as £1137 fuel, £265 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 2005 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%.
Common Issues to Watch For
Based on the 2005 PORSCHE CAYENNE'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.
Clutch Wear
Watch outWith an average of 125k miles, clutch replacement may be due (typical lifespan 60,000-100,000 miles). Budget £400-£800 for a new clutch kit.
Brake Discs and Pads
Medium riskHigh-mileage cars often need brake disc replacement, not just pads. A full set of discs and pads costs £200-£500 per axle.
Engine Mounts
Medium riskWorn engine mounts cause excessive vibration and movement. Replacement costs £150-£400 per mount. Check for vibration at idle with the bonnet open.
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 2005 PORSCHE CAYENNE stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PORSCHE CAYENNE(2005) | 84% | £1137 | £265 | Grp 12-25 | £1807 |
| FORD FOCUS(2007) | 73% | £1137 | £135 | Grp 12-25 | £1827+£20 |
| BMW 3 SERIES(2007) | 80% | £1327 | £135 | Grp 18-32 | £1867+£60 |
| MINI MINI(2007) | 73% | £1137 | £135 | Grp 12-25 | £1827+£20 |
| RENAULT CLIO(2007) | 68% | £1327 | £135 | Grp 18-32 | £2217+£410 |
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.
Related Porsche Models
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