PORSCHE CAYMAN (2009)
Running costs, reliability data, and common problems from 1,466 real MOT tests.
Annual Cost
£2,607
£217/month
MOT Pass Rate
93%
Excellent
Road Tax
£760
Based on CC/year
Insurance
Grp 35-50
3387cc Petrol
Great Choice
93% pass rate, £2607/year to run. 11 points above average.
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Annual Running Costs
~30 mpg
Based on 3387cc
Low estimate due to excellent reliability
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
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%.
At 17 years old, 93% of PORSCHE CAYMANs from 2009 passed their MOT first time in 2026. That's based on 1,466 tests across the UK. The average mileage at this age is 67,126 miles.
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How Does It Compare?
Mileage Analysis
67,126
Average miles
125,800
Expected for age
The average 2009 PORSCHE CAYMAN has 67,126 miles on the clock, which is below the expected 125,800 miles for a 17-year-old car. This suggests lighter use than average, which generally means less wear on major components.
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Best Year to Buy?
The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2006 model has the lowest at 86%. The 2009 sits between the two at 93%.
PORSCHE CAYMAN by Year
| Year | Pass Rate | Tests | Avg Mileage | |
|---|---|---|---|---|
| 2022 | 100% | 60 | 10,562 mi | |
| 2021 | 97% | 1,230 | 16,318 mi | |
| 2020 | 97% | 1,421 | 17,106 mi | |
| 2019 | 95% | 2,635 | 23,973 mi | |
| 2018 | 96% | 3,611 | 29,634 mi | |
| 2017 | 95% | 2,747 | 32,888 mi | |
| 2016 | 96% | 2,725 | 30,854 mi | |
| 2015 | 96% | 2,774 | 36,438 mi | |
| 2014 | 94% | 2,963 | 49,014 mi | |
| 2013 | 95% | 2,270 | 50,622 mi | |
| 2012 | 96% | 691 | 51,012 mi | |
| 2011 | 92% | 1,167 | 54,736 mi | |
| 2010 | 90% | 1,201 | 67,244 mi | |
| 2009 | 93% | 1,466 | 67,126 mi | |
| 2008 | 89% | 2,312 | 74,137 mi | |
| 2007 | 88% | 3,100 | 77,221 mi | |
| 2006 | 86% | 3,424 | 80,301 mi | |
| 2005 | 89% | 361 | 84,339 mi |
Similar Cars to Consider
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About the 2009 PORSCHE CAYMAN
The 2009 PORSCHE CAYMAN is a luxury with a 3387cc petrol engine. 1,466 of these vehicles were MOT tested in 2026, making it a reasonably common sight on UK roads. It ranks in the top 6% of all 2009 cars for reliability.
With an average of 67,126 miles at 17 years old, PORSCHE CAYMAN owners tend to use this car less than the typical driver.
2009 PORSCHE CAYMAN Fuel Costs
The 3387cc 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 2009 PORSCHE CAYMAN?
Total estimated annual running cost is £2,607 (£217/month), broken down as £1592 fuel, £760 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 93% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
PORSCHE CAYMAN Reliability Trend
Newer PORSCHE CAYMANs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2009 PORSCHE CAYMAN
At 17 years old, the PORSCHE CAYMAN 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 2022 model has the highest pass rate at 100%.
Common Issues to Watch For
Based on the 2009 PORSCHE CAYMAN's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 17 years old, check whether the timing belt has been replaced (typically due every 5-7 years or 60,000-100,000 miles). A snapped belt can destroy the engine.
Oil Consumption
Medium riskLarger petrol engines can develop higher oil consumption as they age. Check the oil level and look for blue smoke from the exhaust.
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 2009 PORSCHE CAYMAN stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PORSCHE CAYMAN(2009) | 93% | £1592 | £760 | Grp 35-50 | £2607 |
| LAND ROVER FREELANDER(2007) | 75% | £1592 | £250 | Grp 35-50 | £2397-£210 |
| MERCEDES E(2010) | 80% | £1592 | £250 | Grp 35-50 | £2247-£360 |
| BMW X1(2011) | 81% | £1592 | £250 | Grp 30-42 | £2247-£360 |
| VOLVO XC60(2011) | 81% | £1592 | £250 | Grp 30-42 | £2247-£360 |
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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