Kia K4 Specifications & MPG Data
2025–2026 model years8 variantsUp to 34 MPG combined
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Kia K4 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (AV-S1) | Front-Wheel Drive | 29 | 39 | 33 | Regular Gasoline |
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (AV-S1) | Front-Wheel Drive | 29 | 39 | 33 | Regular Gasoline |
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (AV-S1) | Front-Wheel Drive | 28 | 34 | 30 | Regular Gasoline |
| 2026 | Auto (S8), 4 cyl, 1.6 L | 4 · 1.6L | Automatic (S8) | Front-Wheel Drive | 26 | 33 | 28 | Regular Gasoline |
| 2026 | Auto (S8), 4 cyl, 1.6 L | 4 · 1.6L | Automatic (S8) | Front-Wheel Drive | 26 | 33 | 28 | Regular Gasoline |
| 2025 | Auto (AV-S1), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (AV-S1) | Front-Wheel Drive | 29 | 39 | 33 | Regular Gasoline |
| 2025 | Auto (AV-S1), 4 cyl, 2.0 L | 4 · 2.0L | Automatic (AV-S1) | Front-Wheel Drive | 30 | 40 | 34 | Regular Gasoline |
| 2025 | Auto (S8), 4 cyl, 1.6 L | 4 · 1.6L | Automatic (S8) | Front-Wheel Drive | 26 | 36 | 29 | Regular Gasoline |