MPG AtlasHome / Makes / Infiniti / QX55
Infiniti QX55 MPG
EPA fuel economy for 4 Infiniti QX55 trims sold from 2022 to 2025. Best ever: 25 MPG (2025 QX55 AWD). Latest model year 2025: 25 MPG combined across 1 trim.
Infiniti QX55 fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $5.16 a gallon for premium and 15,000 miles a year, the 2025 Infiniti QX55 costs about $3,100 a year to fuel (QX55 AWD, 2.0 L, 4 cyl, 25 MPG).
| 2025 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| QX55 AWD | 2.0 L, 4 cyl | Auto (AV-S8) | AWD | Premium | 25 | $3,100 | cheapest |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.
Infiniti QX55 MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 2025 | 25 | 22 | 28 | QX55 AWD, 2.0 L, 4 cyl, Auto (AV-S8) | 1 |
| 2024 | 25 | 22 | 28 | QX55 AWD, 2.0 L, 4 cyl, Auto (AV-S8) | 1 |
| 2023 | 25 | 22 | 28 | QX55 AWD, 2.0 L, 4 cyl, Auto (AV-S8) | 1 |
| 2022 | 25 | 22 | 28 | QX55 AWD, 2.0 L, 4 cyl, Auto (AV-S8) | 1 |
Every Infiniti QX55 trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | QX55 AWD | 2.0 L, 4 cyl | Auto (AV-S8) | AWD | Premium | 22 | 28 | 25 | 366 | $3,100 |
| 2024 | QX55 AWD | 2.0 L, 4 cyl | Auto (AV-S8) | AWD | Premium | 22 | 28 | 25 | 364 | $3,100 |
| 2023 | QX55 AWD | 2.0 L, 4 cyl | Auto (AV-S8) | AWD | Premium | 22 | 28 | 25 | 366 | $3,100 |
| 2022 | QX55 AWD | 2.0 L, 4 cyl | Auto (AV-S8) | AWD | Premium | 22 | 28 | 25 | 364 | $3,100 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 2025 Small Sport Utility Vehicle 4WD
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 2025 Tesla Model Y Long Range AWD | 117 | 123 | 111 |
| 2025 Volvo EX30 Twin Performance (19 Inch Wheels) | 109 | 116 | 100 |
| 2025 Lexus RZ 450e AWD (18 inch wheels) | 107 | 115 | 98 |
| 2025 Hyundai Ioniq 5 AWD (19 inch Wheels) | 106 | 116 | 96 |
| 2025 Kia EV6 Long Range AWD (19 inch Wheels) | 106 | 117 | 95 |
| 2025 Ford Mustang Mach-E AWD Extended | 104 | 110 | 98 |
All Small Sport Utility Vehicle 4WD ranked by MPG
Questions people ask
What is the best MPG for a Infiniti QX55?
The most efficient Infiniti QX55 the EPA has rated is the 2025 QX55 AWD at 25 MPG combined (22 city, 28 highway).
What MPG does the 2025 Infiniti QX55 get?
Every 2025 Infiniti QX55 trim is rated 25 MPG combined.
Which Infiniti QX55 has the worst fuel economy?
The 2025 QX55 AWD is the lowest rated at 25 MPG combined.
How much does it cost to fuel a Infiniti QX55 for a year?
At $5.16 a gallon for premium and 15,000 miles a year, the 2025 Infiniti QX55 costs about $3,100 a year to fuel (QX55 AWD, 2.0 L, 4 cyl, 25 MPG).
More from Infiniti: every Infiniti model. Fuel types on this model: Premium. EPA classes: Small Sport Utility Vehicle 4WD.