PORSCHE CAYENNE (2020)
Running costs, common problems, and reliability data based on 7,136 real MOT tests in 2024.
MOT Pass Rate
96%
Total Tests (2024)
7,136
Avg Mileage
34,631 mi
Est. Annual Cost
£2,037
Is the 2020 PORSCHE CAYENNE reliable?
Excellent reliability. Very few MOT failures. That's 14 points above the national average of 82%. It also outperforms the PORSCHE brand average of 92%.
At 4 years old, 96% of PORSCHE CAYENNEs from 2020 passed their MOT first time in 2024. That's based on 7,136 tests across the UK. The average mileage at this age is 34,631 miles.
How does the 2020 PORSCHE CAYENNE compare?
Mileage Analysis
The average 2020 PORSCHE CAYENNE has 34,631 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
How much does a 2020 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 2020 PORSCHE CAYENNE
The 2020 PORSCHE CAYENNE is a luxury with a 2982cc petrol engine. 7,136 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 12% of all 2020 cars for reliability.
With an average of 34,631 miles at 4 years old, PORSCHE CAYENNE owners drive about as much as the UK average.
2020 PORSCHE CAYENNE Fuel Costs
The 2982cc 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 2020 PORSCHE CAYENNE?
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 96% 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 2020 PORSCHE CAYENNE
At 4 years old, the PORSCHE CAYENNE offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost. With 7,136 MOT tests in our data, there's strong statistical confidence in these figures.
Alternatives to the 2020 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:
- BMW 5 SERIES (2018) 91% pass rate (-5%) from 40,272 tests
- LAND ROVER RANGE ROVER SPORT (2018) 93% pass rate (-3%) from 34,257 tests
- BMW X3 (2019) 92% pass rate (-4%) from 32,937 tests
- MERCEDES GLC (2019) 93% pass rate (-3%) from 30,341 tests