Porsche Cayenne Turbo GT: MPG and fuel economy by year

The EPA has rated the Porsche Cayenne Turbo GT across 3 model years, from the 2023 Porsche Cayenne Turbo GT through the 2026 Porsche Cayenne Turbo GT. The most recent 2026 Porsche Cayenne Turbo GT returns 17 combined MPG.

Pick a year below to open the full Porsche Cayenne Turbo GT 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 Turbo GT. 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 Turbo GT	17 MPG	15 MPG	20 MPG	$4,050
2025	2025 Porsche Cayenne Turbo GT	17 MPG	15 MPG	20 MPG	$4,050
2023	2023 Porsche Cayenne Turbo GT	16 MPG	14 MPG	19 MPG	$4,300

How the Porsche Cayenne Turbo GT compares against the Standard Sport Utility Vehicle 4WD class

Buyers usually compare the Porsche Cayenne Turbo GT 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.