Kia K4 Annual Fuel Cost
Running a 2026 Kia K4 costs about $1,800 per year in fuel, based on 15,000 miles of driving at average U.S. fuel prices.
Latest model year (2026):
The Kia K4 costs an estimated $1,850/year in fuel (267 g CO₂/mi).
Kia K4 Fuel Cost — All Years
| Year | Trim | Engine | Fuel | MPG Comb. | Annual Cost | CO₂ (g/mi) | GHG Score |
|---|---|---|---|---|---|---|---|
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 33 | $1,850 | 267 | 6 |
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 33 | $1,850 | 269 | 6 |
| 2026 | Auto (AV-S1), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 30 | $2,050 | 289 | 6 |
| 2026 | Auto (S8), 4 cyl, 1.6 L | 4 1.6L | Regular Gasoline | 28 | $2,200 | 314 | 5 |
| 2026 | Auto (S8), 4 cyl, 1.6 L | 4 1.6L | Regular Gasoline | 28 | $2,200 | 314 | 5 |
| 2025 | Auto (AV-S1), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 33 | $1,850 | 273 | 6 |
| 2025 | Auto (AV-S1), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 34 | $1,800 | 264 | 7 |
| 2025 | Auto (S8), 4 cyl, 1.6 L | 4 1.6L | Regular Gasoline | 29 | $2,100 | 303 | 6 |
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 Fuel Cost FAQ
How much does it cost to fuel the Kia K4?
The estimated annual fuel cost for the Kia K4 is $1,800 per year, based on 15,000 miles of driving and average fuel prices. Costs vary by trim and engine.
How much CO₂ does the Kia K4 produce?
The Kia K4 produces approximately 264 grams of CO₂ per mile. Lower numbers mean fewer emissions. See the table for per-trim details.