Infiniti QX70 MPG & Fuel Economy

The 2017 Infiniti QX70 gets up to 19 MPG combined (17 city / 24 highway) in EPA testing.

Latest model year (2017):

The Infiniti QX70 gets up to 19 MPG combined (17 city / 24 highway) in the Auto (S7), 6 cyl, 3.7 L trim.

Verifiedfueleconomy.gov · Verified August 11, 2026

Infiniti QX70 MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2017Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline172419
2017Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline162218
2016Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline172419
2016Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline162218
2015Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline172419
2015Auto (S7), 6 cyl, 3.7 L6 3.7LPremium Gasoline162218

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Infiniti QX70 MPG FAQ

What is the MPG of the Infiniti QX70?

The Infiniti QX70 gets up to 19 MPG combined (17 city / 24 highway) in the 2017 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Infiniti QX70 trim has the best fuel economy?

The Auto (S7), 6 cyl, 3.7 L trim offers the best combined fuel economy at 19 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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