Kia K4 Vehicle Class & EPA Size Category

The EPA classifies the 2026 Kia K4 as a Midsize Cars / Large Cars, a rating based on body style and interior volume.

Latest model year (2026):

The Kia K4 is classified by the EPA as a Midsize Cars / Large Cars.

Verifiedfueleconomy.gov · Verified August 11, 2026

Kia K4 Vehicle Class — All Years

YearTrimVehicle ClassDriveFuel TypeMPG Comb.
2026Auto (AV-S1), 4 cyl, 2.0 LMidsize CarsFront-Wheel DriveRegular Gasoline33
2026Auto (AV-S1), 4 cyl, 2.0 LMidsize CarsFront-Wheel DriveRegular Gasoline33
2026Auto (AV-S1), 4 cyl, 2.0 LLarge CarsFront-Wheel DriveRegular Gasoline30
2026Auto (S8), 4 cyl, 1.6 LLarge CarsFront-Wheel DriveRegular Gasoline28
2026Auto (S8), 4 cyl, 1.6 LMidsize CarsFront-Wheel DriveRegular Gasoline28
2025Auto (AV-S1), 4 cyl, 2.0 LMidsize CarsFront-Wheel DriveRegular Gasoline33
2025Auto (AV-S1), 4 cyl, 2.0 LMidsize CarsFront-Wheel DriveRegular Gasoline34
2025Auto (S8), 4 cyl, 1.6 LMidsize CarsFront-Wheel DriveRegular Gasoline29

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Kia K4 Vehicle Class FAQ

What class of vehicle is the Kia K4?

The EPA classifies the Kia K4 as a Midsize Cars / Large Cars. This classification is based on interior volume and body style and affects how its fuel economy is compared with other vehicles.

Is the Kia K4 considered a small or large vehicle?

Based on its EPA class (Midsize Cars, Large Cars), the Kia K4 is grouped with vehicles of similar size and interior volume. The class can change between model years when the body is redesigned.

Browse other makes