K4
Front-Wheel Drive · Automatic (S8) · Midsize Cars
- MPG combined
- 28
- City / highway
- 26 / 33
- Engine
- 1.6L 4-cyl turbo
- Fuel
- Regular
- Annual fuel cost
- $2,400
- Tailpipe CO₂
- 314 g/mi

The Kia K4 has been sold in the US from 2025 to 2027, in 3 model years covered here. The 2027 line-up has 5 trims with 28–33 MPG combined.
Front-Wheel Drive · Automatic (S8) · Midsize Cars
Front-Wheel Drive · Automatic (AV-S1) · Midsize Cars
Front-Wheel Drive · Automatic (AV-S1) · Large Cars
Front-Wheel Drive · Automatic (S8) · Large Cars
Front-Wheel Drive · Automatic (AV-S1) · Midsize Cars
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.