2026 Kia K5 w/Stop-Start vs 2027 Hyundai Sonata FWD
| EPA figure | 2026 Kia K5 w/Stop-Start | 2027 Hyundai Sonata FWD |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | Large · Front-Wheel Drive · Gas | Large · Front-Wheel Drive · Gas |
| Combined MPG | 30 | 29 |
| City / highway MPG | 26 / 37 | 25 / 37 |
| Fuel a year | $2,250 | $2,300 |
| Tailpipe CO₂ (g/mi) | 298 | 306 |
| Engine | 2.5 L 4-cyl | 2.5 L 4-cyl |
| Transmission | Automatic (S8) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.