2018 Porsche 911 Carrera 4 vs 2018 Porsche 911 Carrera 4 GTS Cabriolet
| EPA figure | 2018 Porsche 911 Carrera 4 | 2018 Porsche 911 Carrera 4 GTS Cabriolet |
|---|---|---|
| Model year | 2018 | 2018 |
| Body · drive | Minicompact · 4-Wheel Drive · Gas | Minicompact · 4-Wheel Drive · Gas |
| Combined MPG | 24 | 22 |
| City / highway MPG | 22 / 28 | 20 / 25 |
| Fuel a year | $3,400 | $3,750 |
| Tailpipe CO₂ (g/mi) | 362 | 402 |
| Engine | 3.0 L 6-cyl turbo | 3.0 L 6-cyl turbo |
| 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.