2025 Kia K4 mpg
Combined mpg, LX FWD
34mpg
- 30 city, 40 highway.
- Top 12% of 68 sedans (2025).
- 5 trims: 29 to 34 mpg.
12,000 miles a year. Gas $3.20.
| Trim | Engine | Drive | City mpg | Hwy mpg | Combined | Tank, gal | Miles per tank | Cost a year |
|---|---|---|---|---|---|---|---|---|
| LX FWD | 2.0L 4cyl | FWD | 30 | 40 | 34 | 12.4 | 422 | $1,129 |
| LXS FWD | 2.0L 4cyl | FWD | 29 | 39 | 33 | 12.4 | 409 | $1,164 |
| EX FWD | 2.0L 4cyl | FWD | 29 | 39 | 33 | 12.4 | 409 | $1,164 |
| GT-Line FWD | 2.0L 4cyl | FWD | 29 | 39 | 33 | 12.4 | 409 | $1,164 |
| GT-Line Turbo FWD | 1.6L 4cyl | FWD | 26 | 36 | 29 | 12.4 | 360 | $1,324 |
Fuel cost
LX FWD, 34 mpg combined.
- Per year
- $1,129
- Per month
- $94
- Per mile
- 9.4 cents
- Fill the tank
- $39.68
- Top trim: GT-Line Turbo FWD. $1,324 a year. $195 more than the LX FWD.
Trip cost
| Trip | Gallons | Cost |
|---|---|---|
| 100 miles | 2.5 | $8.00 |
| 300 miles | 7.5 | $24.00 |
| 500 miles | 12.5 | $40.00 |
| 1,000 miles | 25.0 | $80.00 |
Commute cost
- Per month
- $82
- Per year
- $979
- Miles a month
- 867
LX FWD. 20 miles each way, 5 days a week.
Is 34 mpg good? Yes. Beats 91% of 2026 cars.
MPG by year
Rivals
| Car | Cheapest trim | Combined mpg | Compare |
|---|---|---|---|
| 2025 Kia K4 | LX FWD | 34 mpg | |
| 2025 Hyundai Elantra | SE FWD | 36 mpg | Compare |
| 2025 Honda Civic | LX FWD | 36 mpg | Compare |
| 2025 Toyota Corolla | LE FWD | 35 mpg | Compare |
| 2025 Nissan Sentra | S FWD | 34 mpg | Compare |
| 2025 Volkswagen Jetta | S FWD | 33 mpg | |
| 2025 Mazda MAZDA3 Sport | MAZDA3 2.5 S FWD | 31 mpg |
What this cannot tell you
EPA ratings. Your own mpg will differ.
Gas prices change by state and by week.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree