- Newest year: 2025
- Gas
- Small SUVs
2022-2025 Infiniti QX55 MPG & Fuel Cost
4 model years · 25 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 2 of 10 small SUV configurations, MY2025. Ranked against all rated configurations, not sales-weighted.
2022-2025 Infiniti QX55 at a glance
The 2022-2025 Infiniti QX55 covers 4 model years in the EPA database (4 configurations in all), rated 25 MPG combined. The newest model year, 2025, costs about $3,180 a year to fuel for its most efficient version, the QX55 2.0L 4-cyl turbo AWD (25 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2023, 2024 and 2025.
2022-2025 Infiniti QX55 by model year
What the 2025 QX55 2.0L 4-cyl turbo AWD costs to drive
Per month
$265
$3,180 a year ÷ 12
Per 25 miles
$5.30
Per 100 miles
$21.20
Five years
$15,900
5 × the yearly cost, prices held at today's level
vs the small SUV median
$790more a year
Class median $2,390 a year, MY2025
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 Infiniti QX55 MPG
Versus 2024: The most efficient configuration stays at 25 MPG. Its annual cost goes from $3,210 to $3,180, $30 less.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX55 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 28 | 25 | $3,180 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 Infiniti QX55 MPG
25 MPG · $3,210/yr
Versus 2023: The most efficient configuration stays at 25 MPG. Its annual cost goes from $3,200 to $3,210, $10 more.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX55 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 28 | 25 | $3,210 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2023 Infiniti QX55 MPG
25 MPG · $3,200/yr
Versus 2022: The most efficient configuration stays at 25 MPG. Its annual cost goes from $3,230 to $3,200, $30 less.
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX55 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 28 | 25 | $3,200 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2022 Infiniti QX55 MPG
25 MPG · $3,230/yr
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX55 (Most efficient) | 2.0L 4-cyl turbo | AWD | 22 | 28 | 25 | $3,230 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the QX55 2.0L 4-cyl turbo AWD: $3,800 in California and $2,760 in Texas, a $1,040 difference.
- California $3,800
- Washington $3,570
- New York $3,140
- Florida $2,910
- Texas $2,760
Similar cars
Closest combined MPG among MY2025 small SUV models.
Generations
- 2022-2025
Frequently asked questions
What gas mileage does the 2022-2025 Infiniti QX55 get?
EPA rates the 2022-2025 Infiniti QX55 at 25 MPG combined across 4 configurations and 4 model years. The most efficient version, the 2025 QX55 2.0L 4-cyl turbo AWD, is rated 25 MPG (22 city, 28 highway).
Which years had the best MPG in the 2022-2025 Infiniti QX55?
Every model year of the 2022-2025 Infiniti QX55 tops out at 25 MPG combined, so no year is better than another.
Did EPA ratings change during the 2022-2025 Infiniti QX55?
Yes. Ratings changed in 2023, 2024 and 2025.
How much does it cost to fuel a 2025 Infiniti QX55 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX55 2.0L 4-cyl turbo AWD costs about $3,180 a year. Across all 1 configuration the cost runs $3,180 a year.
How much does it cost to drive a 2025 Infiniti QX55 100 miles?
About $21.20 per 100 miles for the QX55 2.0L 4-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2025 Infiniti QX55 more efficient in the city or on the highway?
The QX55 2.0L 4-cyl turbo AWD is rated 22 city and 28 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2025 Infiniti QX55 compare with other small SUV configurations?
The QX55 2.0L 4-cyl turbo AWD costs about $3,180 a year to fuel, $790 more than the class median of $2,390, and less than 2 of 10 small SUV configurations. The comparison covers all 327 rated small SUV configurations for MY2025, not weighted by sales.
Is the 2025 Infiniti QX55 different from the 2024 model?
The most efficient configuration stays at 25 MPG. Its annual cost goes from $3,210 to $3,180, $30 less. EPA lists 1 configuration for 2025 against 1 configuration for 2024. See the 2024 Infiniti QX55 for that year.