2015 Porsche 911 Carrera 4 GTS vs 2015 Porsche 911 Carrera 4S Cabriolet
| EPA figure | 2015 Porsche 911 Carrera 4 GTS | 2015 Porsche 911 Carrera 4S Cabriolet |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Minicompact · 4-Wheel Drive · Gas | Minicompact · 4-Wheel Drive · Gas |
| Combined MPG | 21 | 21 |
| City / highway MPG | 19 / 25 | 18 / 26 |
| Fuel a year | $3,900 | $3,900 |
| Tailpipe CO₂ (g/mi) | 420 | 423 |
| Engine | 3.8 L 6-cyl | 3.8 L 6-cyl |
| Transmission | Automatic (AM-S7) | Manual 7-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.