# Infiniti QX55 specs and mpg by year

- **Latest year:** 2025
- **MPG (combined):** 25
- **Drive:** AWD
- **Years covered:** 2022-2025

## Quick answer

The 2025 Infiniti QX55 is a small SUV rated at 25 mpg combined. Engines: 2.0L 4-cyl turbo.

## Every 2025 Infiniti QX55 version

| Version | Engine | Drive | Transmission | City/Hwy | Combined | Fuel cost / year | CO2 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| QX55 AWD | 2.0L 4-cyl turbo | AWD | CVT | 22/28 | 25 mpg | $3,300 | 366 g/mi |

Each row is a version the EPA tested. Fuel cost assumes 15,000 miles a year (55% city) at national average prices; CO2 is tailpipe emissions.

## Infiniti QX55 specs by year

| Year | Engines | Transmission | Drive | MPG (combined) |
| --- | --- | --- | --- | --- |
| 2025 | 2.0L 4-cyl turbo | CVT | AWD | 25 |
| 2024 | 2.0L 4-cyl turbo | CVT | AWD | 25 |
| 2023 | 2.0L 4-cyl turbo | CVT | AWD | 25 |
| 2022 | 2.0L 4-cyl turbo | CVT | AWD | 25 |

EPA combined ratings. MPGe is the EPA efficiency measure for electric cars. Ranges cover every engine and drivetrain EPA tested for that year.

## Frequently asked questions

### What mpg does the 2025 Infiniti QX55 get?

The 2025 Infiniti QX55 is EPA-rated at 25 mpg combined, depending on engine and drivetrain. Real-world mileage varies with speed, climate and load.

### What engine does the 2025 Infiniti QX55 have?

The 2025 Infiniti QX55 comes with: 2.0L 4-cyl turbo. It uses cvt transmission and is offered with AWD.

### Is there a hybrid Infiniti QX55?

No. In the EPA data from 2022-2025 the Infiniti QX55 has no hybrid version.

### Which Infiniti QX55 year gets the best gas mileage?

In the EPA data, the 2025 Infiniti QX55 has the highest combined rating, up to 25 mpg. Ratings for the same model can change between years when engines or test procedures change.

### How much does it cost to fuel a 2025 Infiniti QX55 for a year?

About $3,300 a year, using the EPA's assumptions of 15,000 miles (55% city, 45% highway) at national average fuel prices. Your cost depends on your local prices, mileage and driving style.

### What is the city and highway mpg of the 2025 Infiniti QX55?

The most efficient 2025 version, the QX55 AWD, is rated 22 mpg city and 28 mpg highway (25 combined). Other engines and drivetrains are rated lower; the versions table above lists each one.

### How much CO2 does the 2025 Infiniti QX55 emit?

EPA rates its tailpipe CO2 at 366 grams per mile depending on version. Lower is better; the cleanest gas cars sit under 250 g/mi and electric cars have none at the tailpipe.

### Does the 2025 Infiniti QX55 come with all-wheel drive?

Yes. The 2025 Infiniti QX55 is offered with AWD. All- or four-wheel drive usually costs 1-3 mpg compared with the two-wheel-drive version of the same engine, as the versions table shows.

## Sources

- [fueleconomy.gov (US DOE and EPA)](https://www.fueleconomy.gov/)

## All Infiniti SUVs

- [Infiniti QX60](https://diagxcar.com/vehicles/infiniti-qx60)
- [Infiniti QX80](https://diagxcar.com/vehicles/infiniti-qx80)

## More Infiniti models

- [Infiniti Q50](https://diagxcar.com/vehicles/infiniti-q50): discontinued
- [Infiniti Q60](https://diagxcar.com/vehicles/infiniti-q60): discontinued
- [Infiniti QX50](https://diagxcar.com/vehicles/infiniti-qx50): discontinued

## Other small SUVs

- [Jaguar E-Pace](https://diagxcar.com/vehicles/jaguar-e-pace)
- [Jaguar F-Pace](https://diagxcar.com/vehicles/jaguar-f-pace)
- [Jaguar I-Pace](https://diagxcar.com/vehicles/jaguar-i-pace)
- [Jeep Compass](https://diagxcar.com/vehicles/jeep-compass)
- [Jeep Renegade](https://diagxcar.com/vehicles/jeep-renegade)
- [Jeep Wrangler](https://diagxcar.com/vehicles/jeep-wrangler)
- [Kia EV6](https://diagxcar.com/vehicles/kia-ev6)
- [Kia Seltos](https://diagxcar.com/vehicles/kia-seltos)

## Car care

- [How long do tires last?](https://diagxcar.com/how-long/tires)
- [How often to change oil](https://diagxcar.com/how-often/change-oil)
- [Tire size calculator](https://diagxcar.com/tools/tire-size-calculator)

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Source page: https://diagxcar.com/vehicles/infiniti-qx55
Updated: 2026-11-03
General information, not a substitute for a qualified mechanic.