2015 Porsche 911 Carrera GTS vs 2015 Porsche 911 Carrera S Cabriolet
| EPA figure | 2015 Porsche 911 Carrera GTS | 2015 Porsche 911 Carrera S Cabriolet |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Minicompact · Rear-Wheel Drive · Gas | Minicompact · Rear-Wheel Drive · Gas |
| Combined MPG | 21 | 22 |
| City / highway MPG | 19 / 26 | 19 / 27 |
| Fuel a year | $3,900 | $3,750 |
| Tailpipe CO₂ (g/mi) | 418 | 407 |
| Engine | 3.8 L 6-cyl | 3.8 L 6-cyl |
| Transmission | Automatic (AM-S7) | Automatic (AM-S7) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.