2025 · Minivan · Gas
2025 Kia Carnival MPG & fuel economy
The 2025 Kia Carnival is a minivan with one EPA-rated configuration. The most efficient version returns 21 MPG combined (18 city / 26 highway) on regular gasoline. That's down 1 MPG from the 2024 model. Among 8 minivans rated for 2025, it ranks 8th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $2,214 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Kia Carnival's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 11.1 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 18 | 7.7 | 13.1 |
| Highway | 26 | 11.1 | 9.0 |
| Combined | 21 | 8.9 | 11.2 |
How it ranks among 2025 Minivans
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Carnival MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 3.5L 6-cyl · 8-speed automatic Carnival |
Gas | 18 MPG | 26 MPG | 21 MPG | — | $2,214 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 3.5L 6-cyl
- Transmission
- 8-speed automatic
- Drivetrain
- FWD
- Tailpipe CO₂
- 426 g/mi
- EPA fuel economy score
- 4/10
- EPA greenhouse gas score
- 4/10
2025 Kia Carnival vs. rivals
Compare the 2025 Carnival
With any other car from any year, including other Carnival model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2025 Kia Carnival Hybrid (33 MPG)
Frequently asked questions
What is the gas mileage of the 2025 Kia Carnival?
Up to 21 MPG combined (18 city / 26 highway).
What fuel does the 2025 Kia Carnival use?
Regular gasoline.
What is the fuel average in km/L for the 2025 Kia Carnival?
The 2025 Kia Carnival's fuel average is 8.9 km/L (11.2 L/100 km), or 21 MPG combined: 7.7 km/L in the city and 11.1 km/L on the highway.
How much does it cost to fuel the 2025 Kia Carnival per year?
About $2,214 at 15,000 miles a year with $3.10/gal regular gas, or $14.76 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.