2017 Kia Optima vs 2017 Kia Rio
| EPA figure | 2017 Kia Optima | 2017 Kia Rio |
|---|---|---|
| Model year | 2017 | 2017 |
| Body · drive | Large · Front-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 25 | 30 |
| City / highway MPG | 22 / 31 | 27 / 36 |
| Fuel a year | $2,700 | $2,250 |
| Tailpipe CO₂ (g/mi) | 360 | 292 |
| Engine | 2.0 L 4-cyl turbo | 1.6 L 4-cyl |
| Transmission | Automatic (S6) | Automatic (S6) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.