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Porsche Cayenne S: MPG and fuel economy by year

The EPA has rated the Porsche Cayenne S across 24 model years, from the 2003 Porsche Cayenne S through the 2026 Porsche Cayenne S. The most recent 2026 Porsche Cayenne S returns 18 combined MPG. The most efficient model year was the 2021 Porsche Cayenne S at 20 MPG. The nameplate has been in continuous production long enough to span multiple generations of EPA testing methodology.

Pick a year below to open the full Porsche Cayenne S 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 S. 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 S 18 MPG 16 MPG 21 MPG $3,850
2025 2025 Porsche Cayenne S 18 MPG 16 MPG 21 MPG $3,850
2024 2024 Porsche Cayenne S 17 MPG 15 MPG 21 MPG $4,050
2023 2023 Porsche Cayenne S 18 MPG 16 MPG 22 MPG $3,850
2022 2022 Porsche Cayenne S 18 MPG 16 MPG 22 MPG $3,850
2021 2021 Porsche Cayenne S 20 MPG 18 MPG 22 MPG $3,450
2020 2020 Porsche Cayenne S 20 MPG 18 MPG 22 MPG $3,450
2019 2019 Porsche Cayenne S 20 MPG 18 MPG 23 MPG $3,450
2018 2018 Porsche Cayenne S 20 MPG 17 MPG 24 MPG $3,450
2017 2017 Porsche Cayenne S 20 MPG 17 MPG 24 MPG $3,450
2016 2016 Porsche Cayenne S 19 MPG 16 MPG 24 MPG $3,650
2015 2015 Porsche Cayenne S 19 MPG 16 MPG 24 MPG $3,650
2014 2014 Porsche Cayenne S 18 MPG 15 MPG 22 MPG $3,850
2013 2013 Porsche Cayenne S 18 MPG 15 MPG 22 MPG $3,850
2012 2012 Porsche Cayenne S 18 MPG 16 MPG 22 MPG $3,850
2011 2011 Porsche Cayenne S 18 MPG 16 MPG 22 MPG $3,850
2010 2010 Porsche Cayenne S 15 MPG 13 MPG 19 MPG $4,600
2009 2009 Porsche Cayenne S 15 MPG 13 MPG 19 MPG $4,600
2008 2008 Porsche Cayenne S 15 MPG 13 MPG 19 MPG $4,600
2007 2007 Porsche Cayenne S 15 MPG 13 MPG 19 MPG $4,600
2006 2006 Porsche Cayenne S 14 MPG 12 MPG 17 MPG $4,950
2005 2005 Porsche Cayenne S 14 MPG 12 MPG 17 MPG $4,950
2004 2004 Porsche Cayenne S 14 MPG 12 MPG 17 MPG $4,950
2003 2003 Porsche Cayenne S 14 MPG 12 MPG 17 MPG $4,950

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

Buyers usually compare the Porsche Cayenne S 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.

2026 Lucid Gravity Touring w/20F21R wheels
111 MPG 2026 Lucid Gravity GT w/20F21R wheels (2R)
108 MPG 2026 Tesla Model X
105 MPG 2026 Lucid Gravity GT w/20F21R wheels (3R)
104 MPG 2026 Tesla Model X Plaid
100 MPG 2026 Cadillac OPTIQ AWD (11 kW Charger)
99 MPG
2026 Porsche Cayenne S
18 MPG

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.