CarCostCheck

PORSCHE CAYMAN (2017)

Running costs, common problems, and reliability data based on 2,747 real MOT tests in 2024.

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MOT Pass Rate

95%

Total Tests (2024)

2,747

Avg Mileage

32,888 mi

Est. Annual Cost

£2,037

Is the 2017 PORSCHE CAYMAN reliable?

Excellent reliability. Very few MOT failures. That's 13 points above the national average of 82%.

At 7 years old, 95% of PORSCHE CAYMANs from 2017 passed their MOT first time in 2024. That's based on 2,747 tests across the UK. The average mileage at this age is 32,888 miles.

How does the 2017 PORSCHE CAYMAN compare?

Rank among all 2017 cars74th out of 579(top 13%)
Rank among all PORSCHE models97th out of 276(top 35%)
vs national average+13% (82% avg)
vs 2017 cars average+8% (87% avg)
vs PORSCHE average+3% (92% avg)

Mileage Analysis

The average 2017 PORSCHE CAYMAN has 32,888 miles on the clock, which is below the expected 51,800 miles for a 7-year-old car. This suggests lighter use than average, which generally means less wear on major components.

Best year to buy a PORSCHE CAYMAN?

The most reliable year is the 2022 model with a 100% MOT pass rate, while the 2006 model has the lowest at 86%. The 2017 sits between the two at 95%.

How much does a 2017 PORSCHE CAYMAN cost to run?

⛽Fuel (Petrol, 2497cc)
£1,592
🏛️Road Tax
£190
🔧MOT Test
£55
🛠️Predicted Repairs
£200
Total per year£2,037
Per month£170/mo

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

PORSCHE CAYMAN by Year

YearPass RateTestsAvg Mileage
2022100%6010,562 mi
202197%1,23016,318 mi
202097%1,42117,106 mi
201995%2,63523,973 mi
201896%3,61129,634 mi
201795%2,74732,888 mi
201696%2,72530,854 mi
201596%2,77436,438 mi
201494%2,96349,014 mi
201395%2,27050,622 mi
201296%69151,012 mi
201192%1,16754,736 mi
201090%1,20167,244 mi
200993%1,46667,126 mi
200889%2,31274,137 mi
200788%3,10077,221 mi
200686%3,42480,301 mi
200589%36184,339 mi

Checking a specific PORSCHE CAYMAN?

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About the 2017 PORSCHE CAYMAN

The 2017 PORSCHE CAYMAN is a luxury with a 2497cc petrol engine. 2,747 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 2017 cars for reliability.

With an average of 32,888 miles at 7 years old, PORSCHE CAYMAN owners tend to use this car less than the typical driver.

2017 PORSCHE CAYMAN Fuel Costs

The 2497cc petrol engine offers a reasonable balance between performance and economy. 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 2017 PORSCHE CAYMAN?

Total estimated annual running cost is £2,037 (£170/month), broken down as £1592 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 95% 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 2017 PORSCHE CAYMAN

At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage. If you're flexible on year, the 2022 model has the highest pass rate at 100%.

Alternatives to the 2017 PORSCHE CAYMAN

The PORSCHE CAYMAN is actually the most reliable option among similar petrol luxurys from this era. Here are comparable petrol cars with similar engines: