2004 Kia Optima vs 2004 Kia Rio
| EPA figure | 2004 Kia Optima | 2004 Kia Rio |
|---|---|---|
| Model year | 2004 | 2004 |
| Body · drive | Midsize · Front-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 23 | 24 |
| City / highway MPG | 20 / 27 | 21 / 29 |
| Fuel a year | $2,900 | $2,800 |
| Tailpipe CO₂ (g/mi) | 386 | 370 |
| Engine | 2.4 L 4-cyl | 1.6 L 4-cyl |
| Transmission | Manual 5-spd | Automatic 4-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.