2014 Audi R8 Spyder vs 2014 Audi S4
| EPA figure | 2014 Audi R8 Spyder | 2014 Audi S4 |
|---|---|---|
| Model year | 2014 | 2014 |
| Body · drive | Two Seaters · All-Wheel Drive · Gas | Compact · All-Wheel Drive · Gas |
| Combined MPG | 17 | 21 |
| City / highway MPG | 14 / 23 | 18 / 28 |
| Fuel a year | $4,850 | $3,900 |
| Tailpipe CO₂ (g/mi) | 538 | 413 |
| Engine | 4.2 L 8-cyl | 3.0 L 6-cyl supercharged |
| 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.