Fuel economy & running costsGasoline
29MPGcombined
26city
36highway
A year of fuel$2,300
CO₂ from the tailpipe303 g/mi
Figures from the EPA label (fueleconomy.gov), the same as on the car's window sticker.
Against the 908 kia cars
Bars are scaled to the best in the list; the mark shows the list average. Lower is better for fuel cost; higher is better for the rest. All figures are the EPA's.
Safety ratings
Overall★★★★★
Frontal crash★★★★★
Side crash★★★★★
Rollover★★★★★
Recalls on record2
From NHTSA's 5-Star Safety Ratings for this model year (2025 KIA K4 4 DR FWD).
Summary
2025 Kia K4 by Kia. The figures below are from US EPA fueleconomy.gov, with the page each one came from.
Details
- Model year
- 2025fueleconomy.gov · 3 Oct 2026
Efficiency
- Combined MPG
- 29fueleconomy.gov · 3 Oct 2026
- City MPG
- 26fueleconomy.gov · 3 Oct 2026
- Highway MPG
- 36fueleconomy.gov · 3 Oct 2026
Running cost
- Annual fuel cost
- $2,300fueleconomy.gov · 3 Oct 2026
- CO₂ (tailpipe)
- 303 g/mifueleconomy.gov · 3 Oct 2026
Car
- Body
- Carfueleconomy.gov · 3 Oct 2026
- EPA class
- Midsize Carsfueleconomy.gov · 3 Oct 2026
- Drive
- Front-Wheel Drivefueleconomy.gov · 3 Oct 2026
Powertrain
- Engine
- 1.6 L 4-cyl turbofueleconomy.gov · 3 Oct 2026
- Transmission
- Automatic (S8)fueleconomy.gov · 3 Oct 2026
- Fuel
- Gasolinefueleconomy.gov · 3 Oct 2026
More kia cars
See the list
#1 2027 · Kia Carnival 21Combined MPG $3,200Fuel / year #2 2027 · Kia Carnival Hybrid 33Combined MPG $2,050Fuel / year 
#3 2027 · Kia EV3 Long Range AWD 280 miEPA range $750Fuel / year #4 2027 · Kia EV3 Long Range FWD 321 miEPA range $650Fuel / year #5 2027 · Kia EV3 Long Range GT AWD 280 miEPA range $750Fuel / year #6 2027 · Kia EV3 Standard Range FWD 221 miEPA range $650Fuel / year Listed on CarCody
- Kia Cars: Every Model and Year With MPG908 listed
Sources
- fueleconomy.gov/feg/noframes/48852.shtml· checked 3 Oct 2026
- api.nhtsa.gov/SafetyRatings/VehicleId/20718· checked 3 Oct 2026