Infiniti QX55 AWD Fuel Economy History

MPG by year — EPA official data.

Best MPG Year

2025

25 MPG combined

Latest Model

2025

25 MPG combined

Year	Engine	City	Hwy	Combined	Fuel Cost/yr
2025	Premium	22	28	25	$3,250	Details →
2024	Premium	22	28	25	$3,250	Details →
2023	Premium	22	28	25	$3,250	Details →
2022	Premium	22	28	25	$3,250	Details →