Photo: Kia K4 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons. It shows the model, not always this exact version.
Kia · model year 2025
2025 Kia K4
Midsize · Front-Wheel Drive · Gas · EPA class: Midsize Cars
EPA figures · 2025fueleconomy.gov
34MPG combined
30/40MPG city / highway
$1,950fuel a year
264 g CO₂ per mile 2.0 L 4-cyl Automatic (AV-S1)
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
- 27 Fuel-efficient midsize cars
Ordered by combined MPG #27 of 105 - 47 Fuel-efficient cars
Ordered by combined MPG #47 of 401 - 90 Kia cars
Every model year, newest first #90 of 908 - 625 2025 cars and trucks
Every car of that year, A to Z #625 of 1,273 - 161 Gas and hybrid cars by fuel cost
Ordered by fuel a year #161 of 2,158
Against fuel-efficient midsize cars
Chart average 31 MPGBest 55 MPG
Lowest on the chart $1,200Chart average $2,715
Every figure on record
- Combined MPG
- 34 MPG
- City MPG
- 30 MPG
- Highway MPG
- 40 MPG
- Annual fuel cost
- $1,950
- Tailpipe CO₂
- 264 g per mile
- Model year
- 2025
- Body
- Car
- EPA size class
- Midsize Cars
- Drive
- Front-Wheel Drive
- Engine
- 2.0 L 4-cyl
- Transmission
- Automatic (AV-S1)
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
Cars around it
2025 Toyota Crown AWD
41 MPG · $1,650 fuel a year 2026 Toyota Crown Hybrid AWD
41 MPG · $1,650 fuel a year Hyundai2025 Hyundai Elantra
36 MPG · $1,850 fuel a year Hyundai2026 Hyundai Elantra w/Stop-Start
35 MPG · $1,900 fuel a year
2025 Nissan Sentra
34 MPG · $1,950 fuel a year
2026 Hyundai Elantra non-ISG
34 MPG · $1,950 fuel a year 2027 Kia K4 without DMS
33 MPG · $2,050 fuel a year