2026 Kia K4
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| K4 | 26 | 33 | 28 | Regular Gasoline | Front-Wheel Drive | 1.6L 4-cyl Turbo | Automatic (S8) |
| K4 4DR w/ DMS | 29 | 39 | 33 | Regular Gasoline | Front-Wheel Drive | 2L 4-cyl | Automatic (AV-S1) |
| K4 Hatchback | 28 | 34 | 30 | Regular Gasoline | Front-Wheel Drive | 2L 4-cyl | Automatic (AV-S1) |
| K4 Hatchback | 26 | 33 | 28 | Regular Gasoline | Front-Wheel Drive | 1.6L 4-cyl Turbo | Automatic (S8) |
| K4 without DMS | 29 | 39 | 33 | Regular Gasoline | Front-Wheel Drive | 2L 4-cyl | Automatic (AV-S1) |