Kia K4 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Kia K4 model year from 2025 to 2027 — each engine and transmission with its official city, highway and combined figures. Over these years the K4 has been offered with 2.0L 4-cyl, 1.6L 4-cyl engines; the most efficient version is the 2025 (up to 34 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Kia K4 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2027 | 28–33 MPG | 2.0L 4-cyl, 1.6L 4-cyl | $30,490 | 6 listings |
| 2026 | 28–33 MPG | 2.0L 4-cyl, 1.6L 4-cyl | $25,070 | 9,022 listings |
| 2025 | 29–34 MPG | 2.0L 4-cyl, 1.6L 4-cyl | $21,998 | 7,433 listings |
2027 Kia K4: engines & MPG
The 2027 K4 was EPA-rated in 5 versions (2.0L 4-cyl, 1.6L 4-cyl), with combined economy from 28 to 33 MPG. Used 2027 models currently list for a median of $30,490 on VehiSales (6 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K4 without DMS | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 29 | 39 | 33 MPG |
| K4 4DR with DMS | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 29 | 39 | 33 MPG |
| K4 Hatchback | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 28 | 34 | 30 MPG |
| K4 Hatchback | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 33 | 28 MPG |
| K4 | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 33 | 28 MPG |
2026 Kia K4: engines & MPG
The 2026 K4 was EPA-rated in 5 versions (2.0L 4-cyl, 1.6L 4-cyl), with combined economy from 28 to 33 MPG. Used 2026 models currently list for a median of $25,070 on VehiSales (9,022 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K4 without DMS | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 29 | 39 | 33 MPG |
| K4 4DR w/ DMS | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 29 | 39 | 33 MPG |
| K4 Hatchback | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 28 | 34 | 30 MPG |
| K4 Hatchback | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 33 | 28 MPG |
| K4 | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 33 | 28 MPG |
2025 Kia K4: engines & MPG
The 2025 K4 was EPA-rated in 3 versions (2.0L 4-cyl, 1.6L 4-cyl), with combined economy from 29 to 34 MPG. Used 2025 models currently list for a median of $21,998 on VehiSales (7,433 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K4 | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 30 | 40 | 34 MPG |
| K4 | 2.0L 4-cyl | Automatic (AV-S1) | Regular | 29 | 39 | 33 MPG |
| K4 | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 36 | 29 MPG |
Frequently asked questions
What MPG does a Kia K4 get?
Depending on year and engine, EPA combined ratings for the K4 range from 33 to 34 MPG. The most efficient rated version is the 2025 model year.
What engines does the 2027 Kia K4 have?
The 2027 K4 was EPA-rated with 2.0L 4-cyl, 1.6L 4-cyl engines — see the 2027 table above for each version's exact city/highway figures.
Does the Kia K4 require premium gas?
No — rated versions run on regular gasoline.
https://vehisales.com/research/fuel-economy/kia/k4.
Fuel economy of other models
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See also: Kia K4 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].