Porsche Boxster GTS: MPG and fuel economy by year
The EPA has rated the Porsche Boxster GTS across 4 model years, from the 2015 Porsche Boxster GTS through the 2019 Porsche Boxster GTS. The most recent 2019 Porsche Boxster GTS returns 22 combined MPG. The most efficient model year was the 2016 Porsche Boxster GTS at 25 MPG.
Pick a year below to open the full Porsche Boxster 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 Boxster 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 |
|---|---|---|---|---|---|
| 2019 | 2019 Porsche Boxster GTS | 22 MPG | 20 MPG | 26 MPG | $3,150 |
| 2018 | 2018 Porsche Boxster GTS | 22 MPG | 20 MPG | 26 MPG | $3,150 |
| 2016 | 2016 Porsche Boxster GTS | 25 MPG | 21 MPG | 30 MPG | $2,750 |
| 2015 | 2015 Porsche Boxster GTS | 25 MPG | 21 MPG | 30 MPG | $2,750 |
How the Porsche Boxster GTS compares against the Two Seaters class
Buyers usually compare the Porsche Boxster GTS against other cars in the same EPA class. The list below shows the most efficient cars in the Two Seaters class for the 2019 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.