PORSCHE CAYENNE (2015)
Running costs, common problems, and reliability data based on 6,258 real MOT tests in 2024.
MOT Pass Rate
93%
Total Tests (2024)
6,258
Avg Mileage
79,263 mi
Est. Annual Cost
£2,097
Is the 2015 PORSCHE CAYENNE reliable?
Excellent reliability. Very few MOT failures. That's 11 points above the national average of 82%.
At 9 years old, 93% of PORSCHE CAYENNEs from 2015 passed their MOT first time in 2024. That's based on 6,258 tests across the UK. The average mileage at this age is 79,263 miles.
How does the 2015 PORSCHE CAYENNE compare?
Mileage Analysis
The average 2015 PORSCHE CAYENNE has 79,263 miles on the clock, which is in line with the expected 66,600 miles for a 9-year-old car, suggesting normal everyday use.
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 2015 sits between the two at 93%.
How much does a 2015 PORSCHE CAYENNE cost to run?
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
| 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 |
Checking a specific PORSCHE CAYENNE?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2015 PORSCHE CAYENNE
The 2015 PORSCHE CAYENNE is a luxury with a 3604cc petrol engine. 6,258 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 18% of all 2015 cars for reliability.
With an average of 79,263 miles at 9 years old, PORSCHE CAYENNE owners drive about as much as the UK average.
2015 PORSCHE CAYENNE Fuel Costs
The 3604cc 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 2015 PORSCHE CAYENNE?
Total estimated annual running cost is £2,097 (£175/month), broken down as £1592 fuel, £250 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 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 2015 PORSCHE CAYENNE
At 9 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 2020 model has the highest pass rate at 96%. With 6,258 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2015 PORSCHE CAYENNE
The PORSCHE CAYENNE is actually the most reliable option among similar petrol luxurys from this era. Here are comparable petrol cars with similar engines:
- MERCEDES C (2016) 88% pass rate (-5%) from 80,181 tests
- AUDI A6 (2016) 89% pass rate (-4%) from 26,437 tests
- PORSCHE MACAN (2015) 91% pass rate (-2%) from 10,904 tests
- VOLKSWAGEN TOUAREG (2015) 85% pass rate (-8%) from 9,905 tests