MileGrade

EPA ratings · 2023 · Infiniti

2023 Infiniti Fuel Economy

EPA rated 5 Infiniti models for 2023. Each model page lists every trim's city, highway and combined figure and works the rating into a cost per mile at a price and mileage you set.

Models

2023 Infiniti models with combined rating range
ModelTrimsCombined, lowest to highest trim
Q50422–23 MPG
QX50225–26 MPG
QX55125 MPG
QX60222–23 MPG
QX80315–16 MPG

Combined is EPA's 55% city / 45% highway blend. Electric and plug-in models show MPGe, gasoline-equivalent miles per gallon; their pages carry the kWh per 100 miles that charging cost actually turns on.

Related tools

Informational only — published averages for scale and comparison, not a quote for any pump, utility or vehicle. Your own price is the one that counts, and every calculator on this site takes it as an input.

Source: U.S. EPA and U.S. DOE, fueleconomy.gov vehicles.csv dated 2026-09-29.