- Newest year: 2017
- Gas
- Wagons
2014-2017 Infiniti QX50 MPG & Fuel Cost
4 model years · 20 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest wagon configurations to fuel, MY2017. Ranked against all rated configurations, not sales-weighted.
2014-2017 Infiniti QX50 at a glance
The 2014-2017 Infiniti QX50 covers 4 model years in the EPA database (8 configurations in all), rated 20 MPG combined. The newest model year, 2017, costs about $4,030 a year to fuel for its most efficient version, the QX50 3.7L 6-cyl RWD (20 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2015, 2016 and 2017.
2014-2017 Infiniti QX50 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2017 | Gas | 20 MPG | $4,030–$4,090 | Ratings changed |
| 2016 | Gas | 20 MPG | $4,030–$4,090 | Ratings changed |
| 2015 | Gas | 20 MPG | $3,960–$4,050 | Ratings changed |
| 2014 | Gas | 20 MPG | $3,970–$4,040 | First year |
What the 2017 QX50 3.7L 6-cyl RWD costs to drive
Per month
$336
$4,030 a year ÷ 12
Per 25 miles
$6.72
Per 100 miles
$26.87
Five years
$20,150
5 × the yearly cost, prices held at today's level
vs the wagon median
$1,600more a year
Class median $2,430 a year, MY2017
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Infiniti QX50 MPG
Versus 2016: The most efficient configuration stays at 20 MPG. Its annual cost stays at $4,030.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX50 3.7L 6-cyl RWD (Most efficient) | 3.7L 6-cyl | RWD | 17 | 24 | 20 | $4,030 |
| QX50 3.7L 6-cyl AWD | 3.7L 6-cyl | AWD | 17 | 24 | 20 | $4,090 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2016 Infiniti QX50 MPG
20 MPG · $4,030–$4,090/yr
Versus 2015: The most efficient configuration stays at 20 MPG. Its annual cost goes from $3,960 to $4,030, $70 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX50 3.7L 6-cyl RWD (Most efficient) | 3.7L 6-cyl | RWD | 17 | 24 | 20 | $4,030 |
| QX50 3.7L 6-cyl AWD | 3.7L 6-cyl | AWD | 17 | 24 | 20 | $4,090 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Infiniti QX50 MPG
20 MPG · $3,960–$4,050/yr
Versus 2014: The most efficient configuration stays at 20 MPG. Its annual cost goes from $3,970 to $3,960, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX50 3.7L 6-cyl RWD (Most efficient) | 3.7L 6-cyl | RWD | 17 | 25 | 20 | $3,960 |
| QX50 3.7L 6-cyl AWD | 3.7L 6-cyl | AWD | 17 | 24 | 20 | $4,050 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2014 Infiniti QX50 MPG
20 MPG · $3,970–$4,040/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX50 3.7L 6-cyl RWD (Most efficient) | 3.7L 6-cyl | RWD | 18 | 25 | 20 | $3,970 |
| QX50 3.7L 6-cyl AWD | 3.7L 6-cyl | AWD | 17 | 24 | 20 | $4,040 |
2 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 QX50 3.7L 6-cyl RWD: $4,800 in California and $3,490 in Texas, a $1,310 difference.
- California $4,800
- Washington $4,520
- New York $3,980
- Florida $3,680
- Texas $3,490
Similar cars
Closest combined MPG among MY2017 wagon models.
Generations
- 2014-2017
- 2019-2025
Frequently asked questions
What gas mileage does the 2014-2017 Infiniti QX50 get?
EPA rates the 2014-2017 Infiniti QX50 at 20 MPG combined across 8 configurations and 4 model years. The most efficient version, the 2017 QX50 3.7L 6-cyl RWD, is rated 20 MPG (17 city, 24 highway).
Which years had the best MPG in the 2014-2017 Infiniti QX50?
Every model year of the 2014-2017 Infiniti QX50 tops out at 20 MPG combined, so no year is better than another.
Did EPA ratings change during the 2014-2017 Infiniti QX50?
Yes. Ratings changed in 2015, 2016 and 2017.
How much does it cost to fuel a 2017 Infiniti QX50 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX50 3.7L 6-cyl RWD costs about $4,030 a year. Across all 2 configurations the cost runs $4,030–$4,090 a year. That is a $60 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2017 Infiniti QX50 100 miles?
About $26.87 per 100 miles for the QX50 3.7L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $26.87 and $27.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2017 Infiniti QX50 more efficient in the city or on the highway?
The QX50 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 QX50 compare with other wagon configurations?
The QX50 3.7L 6-cyl RWD costs about $4,030 a year to fuel, $1,600 more than the class median of $2,430, and less than 0 of 10 wagon configurations. The comparison covers all 42 rated wagon configurations for MY2017, not weighted by sales.
Is the 2017 Infiniti QX50 different from the 2016 model?
The most efficient configuration stays at 20 MPG. Its annual cost stays at $4,030. EPA lists 2 configurations for 2017 against 2 configurations for 2016. See the 2016 Infiniti QX50 for that year.