Infiniti Q70L MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Infiniti Q70L model year from 2014 to 2019 — each engine and transmission with its official city, highway and combined figures. Over these years the Q70L has been offered with 3.7L 6-cyl, 5.6L 8-cyl engines; every rated year lands at 21 MPG combined. Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Infiniti Q70L fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2019 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl $27,851 6 listings
2018 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl $19,675 11 listings
2017 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl
2016 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl $13,490 14 listings
2015 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl $15,495 10 listings
2014 19–21 MPG 3.7L 6-cyl, 5.6L 8-cyl

2019 Infiniti Q70L: engines & MPG

The 2019 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG. Used 2019 models currently list for a median of $27,851 on VehiSales (6 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 25 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

2018 Infiniti Q70L: engines & MPG

The 2018 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG. Used 2018 models currently list for a median of $19,675 on VehiSales (11 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 25 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

2017 Infiniti Q70L: engines & MPG

The 2017 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 25 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

2016 Infiniti Q70L: engines & MPG

The 2016 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG. Used 2016 models currently list for a median of $13,490 on VehiSales (14 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 25 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

2015 Infiniti Q70L: engines & MPG

The 2015 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG. Used 2015 models currently list for a median of $15,495 on VehiSales (10 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 26 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

2014 Infiniti Q70L: engines & MPG

The 2014 Q70L was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 19 to 21 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Q70 3.7L 6-cyl Automatic (S7) Premium 18 26 21 MPG
Q70 5.6L 8-cyl Automatic (S7) Premium 16 24 19 MPG

Frequently asked questions

What MPG does an Infiniti Q70L get?

Every rated Q70L year comes in at 21 MPG combined.

What engines does the 2019 Infiniti Q70L have?

The 2019 Q70L was EPA-rated with 3.7L 6-cyl, 5.6L 8-cyl engines — see the 2019 table above for each version's exact city/highway figures.

Does the Infiniti Q70L require premium gas?

Yes — every EPA-rated gas Q70L version specifies premium gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Infiniti Q70L EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/infiniti/q70l.

See also: Infiniti Q70L hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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