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Infiniti FX37 (S51)
Shown: Infiniti FX37 (S51). Photo: Tokumeigakarinoaoshima, CC0, via Wikimedia Commons
  • Newest year: 2017
  • Gas
  • Small SUVs

2014-2017 Infiniti QX70 MPG & Fuel Cost

4 model years · 16–19 MPG combined

19 MPG
Combined
17 MPG
City
24 MPG
Highway
Annual fuel cost · QX70 3.7L 6-cyl RWD
$4,130

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Among the costliest small SUV configurations to fuel, MY2017. Ranked against all rated configurations, not sales-weighted.

2014-2017 Infiniti QX70 at a glance

The 2014-2017 Infiniti QX70 covers 4 model years in the EPA database (9 configurations in all), rated 16–19 MPG combined. The newest model year, 2017, costs about $4,130 a year to fuel for its most efficient version, the QX70 3.7L 6-cyl RWD (19 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2015 and 2017; 2016 repeat the values of the year before.

2014-2017 Infiniti QX70 by model year

2014-2017 Infiniti QX70: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2017 Gas 18–19 MPG $4,130–$4,390 Ratings changed
2016 Gas 18–19 MPG $4,130–$4,380 Same EPA ratings as 2015
2015 Gas 18–19 MPG $4,130–$4,380 Ratings changed
2014 Gas 16–19 MPG $4,170–$4,930 First year

What the 2017 QX70 3.7L 6-cyl RWD costs to drive

Per month

$344

$4,130 a year ÷ 12

Per 25 miles

$6.88

Per 100 miles

$27.53

Five years

$20,650

5 × the yearly cost, prices held at today's level

vs the small SUV median

$1,240more a year

Class median $2,890 a year, MY2017

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2017 Infiniti QX70 MPG

Versus 2016: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,130.

Gas · 3.7L
Combined
18–19 MPG
Per year
$4,130–$4,390

Gas configurations (2)

2017 Infiniti QX70 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
QX70 3.7L 6-cyl RWD (Most efficient) 3.7L 6-cyl RWD 17 24 19 $4,130
QX70 3.7L 6-cyl AWD 3.7L 6-cyl AWD 16 22 18 $4,390

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2016 Infiniti QX70 MPG

Same EPA ratings as 2015

EPA lists the same ratings for the 2016 Infiniti QX70 as for the 2015 model, so the configurations and costs are the ones in the 2015 section above.See 2015

2015 Infiniti QX70 MPG

18–19 MPG · $4,130–$4,380/yr

Versus 2014: The most efficient configuration stays at 19 MPG. Its annual cost goes from $4,170 to $4,130, $40 less.

Gas · 3.7L
Combined
18–19 MPG
Per year
$4,130–$4,380

Gas configurations (2)

2015 Infiniti QX70 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
QX70 3.7L 6-cyl RWD (Most efficient) 3.7L 6-cyl RWD 17 24 19 $4,130
QX70 3.7L 6-cyl AWD 3.7L 6-cyl AWD 16 22 18 $4,380

2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2014 Infiniti QX70 MPG

16–19 MPG · $4,170–$4,930/yr
Gas · 3.7L, 5.0L
Combined
16–19 MPG
Per year
$4,170–$4,930

Gas configurations (3)

2014 Infiniti QX70 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
QX70 3.7L 6-cyl RWD (Most efficient) 3.7L 6-cyl RWD 17 24 19 $4,170
QX70 3.7L 6-cyl AWD 3.7L 6-cyl AWD 16 22 18 $4,360
QX70 5.0L 8-cyl 5.0L 8-cyl AWD 14 20 16 $4,930

3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

Fuel cost by state

Yearly cost of the QX70 3.7L 6-cyl RWD: $4,920 in California and $3,580 in Texas, a $1,340 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2017 small SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2014-2017 (S51)

Frequently asked questions

What gas mileage does the 2014-2017 Infiniti QX70 get?

EPA rates the 2014-2017 Infiniti QX70 at 16–19 MPG combined across 9 configurations and 4 model years. The most efficient version, the 2017 QX70 3.7L 6-cyl RWD, is rated 19 MPG (17 city, 24 highway).

Which years had the best MPG in the 2014-2017 Infiniti QX70?

Every model year of the 2014-2017 Infiniti QX70 tops out at 19 MPG combined, so no year is better than another.

Did EPA ratings change during the 2014-2017 Infiniti QX70?

Yes. Ratings changed in 2015 and 2017. In 2016 the values repeat the year before.

How much does it cost to fuel a 2017 Infiniti QX70 per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX70 3.7L 6-cyl RWD costs about $4,130 a year. Across all 2 configurations the cost runs $4,130–$4,390 a year. That is a $260 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2017 Infiniti QX70 100 miles?

About $27.53 per 100 miles for the QX70 3.7L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $27.53 and $29.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2017 Infiniti QX70 more efficient in the city or on the highway?

The QX70 3.7L 6-cyl RWD is rated 17 city and 24 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2017 Infiniti QX70 compare with other small SUV configurations?

The QX70 3.7L 6-cyl RWD costs about $4,130 a year to fuel, $1,240 more than the class median of $2,890, and less than 0 of 10 small SUV configurations. The comparison covers all 198 rated small SUV configurations for MY2017, not weighted by sales.

Is the 2017 Infiniti QX70 different from the 2016 model?

The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,130. EPA lists 2 configurations for 2017 against 2 configurations for 2016. See the 2016 Infiniti QX70 for that year.