Porsche Cayenne GTS: MPG and fuel economy by year
The EPA has rated the Porsche Cayenne GTS across 13 model years, from the 2008 Porsche Cayenne GTS through the 2026 Porsche Cayenne GTS. The most recent 2026 Porsche Cayenne GTS returns 18 combined MPG. The most efficient model year was the 2018 Porsche Cayenne GTS at 19 MPG.
Pick a year below to open the full Porsche Cayenne GTS page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Porsche Cayenne GTS. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Porsche Cayenne GTS | 18 MPG | 15 MPG | 22 MPG | $3,850 |
| 2025 | 2025 Porsche Cayenne GTS | 18 MPG | 15 MPG | 22 MPG | $3,850 |
| 2023 | 2023 Porsche Cayenne GTS | 17 MPG | 15 MPG | 19 MPG | $4,050 |
| 2022 | 2022 Porsche Cayenne GTS | 17 MPG | 15 MPG | 19 MPG | $4,050 |
| 2021 | 2021 Porsche Cayenne GTS | 17 MPG | 15 MPG | 19 MPG | $4,050 |
| 2018 | 2018 Porsche Cayenne GTS | 19 MPG | 16 MPG | 23 MPG | $3,650 |
| 2017 | 2017 Porsche Cayenne GTS | 19 MPG | 16 MPG | 23 MPG | $3,650 |
| 2016 | 2016 Porsche Cayenne GTS | 18 MPG | 16 MPG | 23 MPG | $3,850 |
| 2014 | 2014 Porsche Cayenne GTS | 16 MPG | 14 MPG | 20 MPG | $4,300 |
| 2013 | 2013 Porsche Cayenne GTS | 16 MPG | 14 MPG | 20 MPG | $4,300 |
| 2010 | 2010 Porsche Cayenne GTS | 15 MPG | 13 MPG | 18 MPG | $4,600 |
| 2009 | 2009 Porsche Cayenne GTS | 15 MPG | 13 MPG | 18 MPG | $4,600 |
| 2008 | 2008 Porsche Cayenne GTS | 15 MPG | 13 MPG | 18 MPG | $4,600 |
How the Porsche Cayenne GTS compares against the Standard Sport Utility Vehicle 4WD class
Buyers usually compare the Porsche Cayenne GTS against other cars in the same EPA class. The list below shows the most efficient cars in the Standard Sport Utility Vehicle 4WD class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.