2016 Porsche Cayman GT4
The EPA rates the 2016 Porsche Cayman GT4 at 20 MPG combined (18 city / 23 highway).
At a glance
- Fuel economy
- 20 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA rates the 2016 Porsche Cayman GT4 at 20 MPG combined (18 city / 23 highway).