2025 · Small SUV · Gas
2025 Infiniti QX55 MPG & fuel economy
The 2025 Infiniti QX55 is a small SUV with one EPA-rated configuration. The most efficient version returns 25 MPG combined (22 city / 28 highway) on premium gasoline. Efficiency is unchanged from the 2024 model. Among 133 small SUVs rated for 2025, it ranks 118th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Infiniti QX55's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.4 km/L in the city and 11.9 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 22 | 9.4 | 10.7 |
| Highway | 28 | 11.9 | 8.4 |
| Combined | 25 | 10.6 | 9.4 |
How it ranks among 2025 Small SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
QX55 MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 2.0L 4-cyl turbo · CVT QX55 AWD |
Gas | 22 MPG | 28 MPG | 25 MPG | — | $2,370 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- CVT
- Drivetrain
- AWD
- Tailpipe CO₂
- 366 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Infiniti QX55 vs. rivals
Compare the 2025 QX55
With any other car from any year, including other QX55 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Infiniti QX55?
Up to 25 MPG combined (22 city / 28 highway).
What fuel does the 2025 Infiniti QX55 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Infiniti QX55?
The 2025 Infiniti QX55's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.4 km/L in the city and 11.9 km/L on the highway.
How much does it cost to fuel the 2025 Infiniti QX55 per year?
About $2,370 at 15,000 miles a year with $3.95/gal premium gas, or $15.80 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.