Against 422 other 4-cyl cars rated 2023–2025, the QX55 trails their 26.5 mpg average by 1.5 mpg, about $87 a year.
Every Infiniti QX55 engine, compared
The Infiniti QX55 was rated in a single specification, so its gas mileage does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2L 4-cyl | 22 / 28 | 2022–2025 | $1,536 |
What that actually costs
Against its rivals in the same model years, the Toyota RAV4 gets 36.7 mpg, the Jeep Wrangler 18.8 mpg and the Mazda CX-5 27.3 mpg, next to 25 mpg for the 2025 QX55.
| Measure | Value |
|---|---|
| Cost per mile (2025) | $0.128 |
| Fuel per year | $1,536 |
| Fuel over five years | $7,680 |
| Against other 4-cyl cars, 2023–2025 | +$87 a year |
| EPA's own estimate | $3,100 a year |
City or highway — who is this car for
The 2025 Infiniti QX55 gives up 6 mpg in town: 28 on the highway against 22 in the city, $374 a year if every mile were city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2025) | 22 mpg | $1,745 a year if you only drive in town |
| Highway | 28 mpg | $1,371 a year if you mostly commute |
| Gap | +6 mpg (27%) | Typical for its type |
How the QX55 changed over the years
Combined figure across the 4 model years the QX55 was rated in, all of them at 25 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2025 | 22 / 28 | 1 | $1,536 | |
| 2024 | 22 / 28 | 1 | $1,536 | |
| 2023 | 22 / 28 | 1 | $1,536 | |
| 2022 | 22 / 28 | 1 | $1,536 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 4 EPA ratings of the Infiniti QX55 — 1 engine across 2022–2025. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $3,100. Full method.
Frequently asked questions
What mpg does the 2025 Infiniti QX55 get?
25 mpg combined, 22 city and 28 highway, per EPA. Across every year since 2022 the QX55 has averaged 25 mpg.
Is the 2025 QX55 more efficient than the 2024?
About the same: 25 against 25 mpg combined.
Does the QX55 get better gas mileage than the Toyota RAV4?
No: 25 mpg for the 2025 QX55 against 36.7 for the 2026 Toyota RAV4, about $490 a year more to run.
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