2025 head-to-head · Midsize Car
2025 Kia K4 vs Nissan Sentra
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2025 Kia K4 (34 MPG) costs about $1,368 a year to fuel and the 2025 Nissan Sentra (34 MPG) about $1,368.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Kia K4
- Nissan Sentra
Side by side
| Kia K4 | Nissan Sentra | |
|---|---|---|
| $1,368 | Your annual fuel cost | $1,368 |
| 34 MPG | Combined efficiency | 34 MPG |
| 30 MPG | City | 30 MPG |
| 40 MPG | Highway | 40 MPG |
| 99 cu ft | Passenger volume | 96 cu ft |
| 14 cu ft | Cargo volume | 14 cu ft |
| 264 g/mi | Tailpipe CO₂ (g/mi) | 262 g/mi |
| 7/10 | EPA fuel economy score | 7/10 |
| 7/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.0L 4-cyl | Engine / motor | 2.0L 4-cyl |
| CVT | Transmission | CVT |
| FWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Kia K4 vs Nissan Sentra across model years
- Kia K4
- Nissan Sentra
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Per EPA interior volume figures, the Kia K4 has more passenger space (99 vs. 96 cu ft).
Among 42 2025 midsize cars, the Kia K4 ranks 15th and the Nissan Sentra 14th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2025 Kia K4 vs. the Nissan Sentra per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,368 for the Kia K4 and $1,368 for the Nissan Sentra.
Kia K4 vs Nissan Sentra in other years
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