2027 Kia K4 MPG and yearly fuel cost
The 2027 Kia K4 has 5 EPA-rated versions. The most efficient gets 33 mpg combined (29 city, 39 highway), and the EPA puts its fuel cost at $2,050 a year.
33best combined mpg
$2,050fuel per year (EPA)
$1,7505-year savings vs. average car
$175 a year less than the typical 2027 midsize car (median $2,225)
Your cost per year
Every version
| Version | City | Hwy | Comb. | Fuel/yr |
|---|---|---|---|---|
| K4 4DR with DMSFWD · Regular | 29 | 39 | 33 | $2,050 |
| K4 without DMSFWD · Regular | 29 | 39 | 33 | $2,050 |
| K4 HatchbackFWD · Regular | 28 | 34 | 30 | $2,250 |
| K4FWD · Regular | 26 | 33 | 28 | $2,400 |
| K4 HatchbackFWD · Regular | 26 | 33 | 28 | $2,400 |
All figures and class comparison
| Model year | 2027 |
|---|---|
| Make | Kia |
| Model | K4 |
| Class | Midsize car |
| Powertrain | Gas |
| Fuel | Regular |
| Drive | FWD |
| Versions rated by the EPA | 5 |
| Best combined MPG | 33 |
| City MPG of the most efficient version | 29 |
| Highway MPG of the most efficient version | 39 |
| Lowest combined MPG | 28 |
| Lowest yearly fuel cost (EPA estimate) | $2,050 |
| Highest yearly fuel cost (EPA estimate) | $2,400 |
| Best 5-year fuel savings vs. the average new vehicle | $1,750 |
| Typical yearly fuel cost in this class (median) | $2,225 |
| Yearly fuel cost vs. the class median (minus means cheaper) | -$175 |
| Lowest tailpipe CO2 | 267 g/mi |
| EPA fuel economy score (1 to 10) | 6 |
How 2027 Kia K4 compares in 2027 Midsize Cars
- 2027 Kia K4 ranks #5 of 10 cars in 2027 Midsize Cars in this dataset by best 5-year fuel savings vs. the average new vehicle.
- That places it in the top 50% in 2027 Midsize Cars by best 5-year fuel savings vs. the average new vehicle.
- The median best 5-year fuel savings vs. the average new vehicle of cars in 2027 Midsize Cars is $1,750.
- Among all 8,138 cars in the dataset, 2027 Kia K4 ranks #1,020 by best 5-year fuel savings vs. the average new vehicle.
Data: U.S. EPA and DOE (fueleconomy.gov) (public domain).· Updated 2026-11-02 · Text generated from the data and checked against it.
EPA estimates from fueleconomy.gov (15,000 miles a year, combined rating 55% city). Your cost depends on how you drive. Not affiliated with the EPA or any carmaker.