2011 Porsche 911 Carrera S Cabriolet vs 2011 Porsche 911 GT3 RS
| EPA figure | 2011 Porsche 911 Carrera S Cabriolet | 2011 Porsche 911 GT3 RS |
|---|---|---|
| Model year | 2011 | 2011 |
| Body · drive | Minicompact · Rear-Wheel Drive · Gas | Two Seaters · Rear-Wheel Drive · Gas |
| Combined MPG | 21 | 16 |
| City / highway MPG | 18 / 26 | 14 / 20 |
| Fuel a year | $3,900 | $5,150 |
| Tailpipe CO₂ (g/mi) | 423 | 555 |
| Engine | 3.8 L 6-cyl | 3.8 L 6-cyl |
| Transmission | Manual 6-spd | Manual 6-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.