Infiniti Q70 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Infiniti Q70 model year from 2014 to 2019 — each engine and transmission with its official city, highway and combined figures. Over these years the Q70 has been offered with 3.7L 6-cyl, 5.6L 8-cyl, 3.5L 6-cyl engines; the most efficient version is the 2016 (up to 31 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 Q70 fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2019 18–20 MPG 3.7L 6-cyl, 5.6L 8-cyl $21,598 10 listings
2018 18–30 MPG 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl $16,692 18 listings
2017 18–30 MPG 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl $12,595 15 listings
2016 18–31 MPG 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl $16,000 14 listings
2015 18–31 MPG 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl $14,223 20 listings
2014 18–31 MPG 3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl

2019 Infiniti Q70: engines & MPG

The 2019 Q70 was EPA-rated in 2 versions (3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 20 MPG. Used 2019 models currently list for a median of $21,598 on VehiSales (10 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 18 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

2018 Infiniti Q70: engines & MPG

The 2018 Q70 was EPA-rated in 3 versions (3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 30 MPG. Used 2018 models currently list for a median of $16,692 on VehiSales (18 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 Hybrid 3.5L 6-cyl Automatic (S7) Premium 28 33 30 MPG
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 18 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

2017 Infiniti Q70: engines & MPG

The 2017 Q70 was EPA-rated in 3 versions (3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 30 MPG. Used 2017 models currently list for a median of $12,595 on VehiSales (15 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 Hybrid 3.5L 6-cyl Automatic (S7) Premium 28 33 30 MPG
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 18 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

2016 Infiniti Q70: engines & MPG

The 2016 Q70 was EPA-rated in 3 versions (3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 31 MPG. Used 2016 models currently list for a median of $16,000 on VehiSales (14 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 Hybrid 3.5L 6-cyl Automatic (S7) Premium 29 33 31 MPG
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 18 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

2015 Infiniti Q70: engines & MPG

The 2015 Q70 was EPA-rated in 3 versions (3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 31 MPG. Used 2015 models currently list for a median of $14,223 on VehiSales (20 for sale).

VersionEngineTransmissionFuelCityHwyCombined
Q70 Hybrid 3.5L 6-cyl Automatic (S7) Premium 29 33 31 MPG
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 18 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

2014 Infiniti Q70: engines & MPG

The 2014 Q70 was EPA-rated in 3 versions (3.5L 6-cyl, 3.7L 6-cyl, 5.6L 8-cyl), with combined economy from 18 to 31 MPG.

VersionEngineTransmissionFuelCityHwyCombined
Q70 Hybrid 3.5L 6-cyl Automatic (S7) Premium 29 33 31 MPG
Q70 AWD 3.7L 6-cyl Automatic (S7) Premium 17 24 20 MPG
Q70 AWD 5.6L 8-cyl Automatic (S7) Premium 16 23 18 MPG

Frequently asked questions

What MPG does an Infiniti Q70 get?

Depending on year and engine, EPA combined ratings for the Q70 range from 20 to 31 MPG. The most efficient rated version is the 2016 model year.

What engines does the 2019 Infiniti Q70 have?

The 2019 Q70 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 Q70 require premium gas?

Yes — every EPA-rated gas Q70 version specifies premium gasoline.

Is there a hybrid or electric Q70?

Yes — the ratings above include hybrid versions; look for them in the per-year tables.

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 Q70 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/infiniti/q70.

See also: Infiniti Q70 hub — live listings, prices & reliability · Used Infiniti Q70 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

© 2026 VehiSales · Data from live US vehicle listings · Methodology · Editorial policy · About · Press: cite as “VehiSales Used Car Price Index” with a link to this page.