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2026 Kia K4 fuel economy

The EPA lists 5 versions of the 2026 Kia K4. Combined fuel economy ranges from 28 to 33 MPG; the most efficient version is rated 29 city / 39 highway.

At a glance

Combined
28 to 33 MPG depending on version
City and highway
29 and 39 most efficient version
Yearly fuel cost
$2,050 EPA estimate, most efficient version

Source: U.S. EPA fueleconomy.gov

Every version the EPA tested

VersionEngineDriveCityHighwayCombinedYearly fuel cost
K4 4DR w/ DMS
Automatic (AV-S1)
4-cyl 2.0L Front-Wheel Drive 293933 MPG $2,050
K4 without DMS
Automatic (AV-S1)
4-cyl 2.0L Front-Wheel Drive 293933 MPG $2,050
K4 Hatchback
Automatic (AV-S1)
4-cyl 2.0L Front-Wheel Drive 283430 MPG $2,250
K4
Automatic (S8)
4-cyl 1.6L Front-Wheel Drive 263328 MPG $2,400
K4 Hatchback
Automatic (S8)
4-cyl 1.6L Front-Wheel Drive 263328 MPG $2,400
EPA estimates under standard test conditions. Your mileage will vary with driving style, load and weather.

At EPA assumptions, the most efficient version costs about $2,050 per year in fuel, versus $2,400 for the least efficient.

Work out what this car would cost you in fuel each year

Fuel economy in other model years