Fuel economy details

Infiniti Q50 2024

EPA fuel-economy estimates for 1 version of this vehicle. Review the published configuration below.

23combined MPG

20 / 29city / highway MPG

$3,550estimated annual fuel cost

How to use these estimates

EPA ratings use standardized city and highway tests, making them a useful starting point for comparing similar vehicles. For model years with several versions, choose the powertrain that matches the vehicle you are considering before relying on a rating.

Your actual fuel or electricity use can vary with weather, payload, driving style, maintenance, and local prices.

SIDI · Automatic (S7)

23 combined MPG

Fuel typePremium Gasoline

Vehicle classMidsize Cars

DriveRear-Wheel Drive

TransmissionAutomatic (S7)

Tailpipe CO₂388 g/mi

EPA base modelQ50

TurbochargerYes

Efficiency and cost

EPA fuel economy score: 5
EPA greenhouse gas score: 5
Estimated annual petroleum use: 12.9 barrels
Five-year fuel-cost comparison: costs $5,750 more

Interior space

Passenger volume: 100 cu ft
Luggage volume: 14 cu ft

EPA class benchmark

Compared with 63 EPA records from 2024 in this vehicle class and fuel type.

Efficiency position: At or above 49%
Combined MPG vs median: 1 MPG below the class median.
Annual cost vs median: $150 higher than the class median.

Where these numbers come from

Source: EPA FuelEconomy.gov. This page was last updated on October 3, 2026. Learn more about how we use vehicle data.