PORSCHE CAYMAN S-A (2011)
Running costs, reliability data, and common problems from 31 real MOT tests.
Annual Cost
£2,277
£190/month
MOT Pass Rate
100%
Excellent
Road Tax
£430
Based on CC/year
Insurance
Grp 30-42
2893cc Petrol
Great Choice
100% pass rate, £2277/year to run. 18 points above average.
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Annual Running Costs
~30 mpg
Based on 2893cc
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 18 points above the national average of 82%. It also outperforms the PORSCHE brand average of 92%.
At 15 years old, 100% of PORSCHE CAYMAN S-As from 2011 passed their MOT first time in 2026. That's based on 31 tests across the UK. The average mileage at this age is 76,879 miles.
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How Does It Compare?
Mileage Analysis
76,879
Average miles
111,000
Expected for age
The average 2011 PORSCHE CAYMAN S-A has 76,879 miles on the clock, which is below the expected 111,000 miles for a 15-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 2013 model with a 95% MOT pass rate, while the 2012 model has the lowest at 91%. The 2011 sits between the two at 100%.
PORSCHE CAYMAN S-A by Year
Similar Cars to Consider
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About the 2011 PORSCHE CAYMAN S-A
The 2011 PORSCHE CAYMAN S-A is a luxury with a 2893cc petrol engine. 31 of these vehicles were MOT tested in 2026, making it a rare model on UK roads. It ranks in the top 2% of all 2011 cars for reliability.
With an average of 76,879 miles at 15 years old, PORSCHE CAYMAN S-A owners tend to use this car less than the typical driver.
2011 PORSCHE CAYMAN S-A Fuel Costs
The 2893cc 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 2011 PORSCHE CAYMAN S-A?
Total estimated annual running cost is £2,277 (£190/month), broken down as £1592 fuel, £430 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2011 PORSCHE CAYMAN S-A
At 15 years old, the PORSCHE CAYMAN S-A 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 2013 model has the highest pass rate at 95%. 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 2011 PORSCHE CAYMAN S-A's fuel type, age, and engine size, these are the most likely problem areas to check.
Timing Chain / Belt
Watch outAt 15 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 2011 PORSCHE CAYMAN S-A stacks up against similar cars for annual running costs, insurance, and tax.
| Car | Pass Rate | Fuel/yr | Tax/yr | Insurance | Total/yr |
|---|---|---|---|---|---|
| PORSCHE CAYMAN S-A(2011) | 100% | £1592 | £430 | Grp 30-42 | £2277 |
| VAUXHALL INSIGNIA(2011) | 77% | £1592 | £250 | Grp 30-42 | £2397+£120 |
| BMW 1 SERIES(2013) | 84% | £1592 | £250 | Grp 30-42 | £2247-£30 |
| AUDI TT(2011) | 85% | £1592 | £250 | Grp 25-38 | £2247-£30 |
| BMW X1(2011) | 81% | £1592 | £250 | Grp 30-42 | £2247-£30 |
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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