- Newest year: 2024
- Gas
- Standard SUVs
2014-2024 Infiniti QX80 MPG & Fuel Cost
11 model years · 15–16 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 standard SUV configurations, MY2024. Ranked against all rated configurations, not sales-weighted.
2014-2024 Infiniti QX80 at a glance
The 2014-2024 Infiniti QX80 covers 11 model years in the EPA database (26 configurations in all), rated 15–16 MPG combined. The newest model year, 2024, costs about $4,980 a year to fuel for its most efficient version, the QX80 5.6L 8-cyl RWD (16 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023 and 2024; 2019 repeat the values of the year before.
2014-2024 Infiniti QX80 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2024 | Gas | 15–16 MPG | $4,980–$5,360 | Ratings changed |
| 2023 | Gas | 15–16 MPG | $4,980–$5,360 | Ratings changed |
| 2022 | Gas | 15–16 MPG | $4,980–$5,360 | Ratings changed |
| 2021 | Gas | 15–16 MPG | $5,000–$5,360 | Ratings changed |
| 2020 | Gas | 15–16 MPG | $4,980–$5,240 | Ratings changed |
| 2019 | Gas | 15–16 MPG | $4,940–$5,360 | Same EPA ratings as 2018 |
| 2018 | Gas | 15–16 MPG | $4,940–$5,360 | Ratings changed |
| 2017 | Gas | 15–16 MPG | $4,940–$5,360 | Ratings changed |
| 2016 | Gas | 16 MPG | $4,940–$5,140 | Ratings changed |
| 2015 | Gas | 15–16 MPG | $4,920–$5,280 | Ratings changed |
| 2014 | Gas | 16 MPG | $5,040–$5,090 | First year |
What the 2024 QX80 5.6L 8-cyl RWD costs to drive
Per month
$415
$4,980 a year ÷ 12
Per 25 miles
$8.30
Per 100 miles
$33.20
Five years
$24,900
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$1,550more a year
Class median $3,430 a year, MY2024
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 Infiniti QX80 MPG
Versus 2023: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,980.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,980 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2023 Infiniti QX80 MPG
15–16 MPG · $4,980–$5,360/yr
Versus 2022: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,980.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,980 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2022 Infiniti QX80 MPG
15–16 MPG · $4,980–$5,360/yr
Versus 2021: The most efficient configuration stays at 16 MPG. Its annual cost goes from $5,000 to $4,980, $20 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,980 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2021 Infiniti QX80 MPG
15–16 MPG · $5,000–$5,360/yr
Versus 2020: The most efficient configuration stays at 16 MPG. Its annual cost goes from $4,980 to $5,000, $20 more.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $5,000 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
| QX80 5.6L 8-cyl 4WD Automatic (S7) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Infiniti QX80 MPG
15–16 MPG · $4,980–$5,240/yr
Versus 2019: The most efficient configuration stays at 16 MPG. Its annual cost goes from $4,940 to $4,980, $40 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,980 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,240 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2019 Infiniti QX80 MPG
Same EPA ratings as 2018
EPA lists the same ratings for the 2019 Infiniti QX80 as for the 2018 model, so the configurations and costs are the ones in the 2018 section above.See 2018
2018 Infiniti QX80 MPG
15–16 MPG · $4,940–$5,360/yr
Versus 2017: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,940.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,940 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Infiniti QX80 MPG
15–16 MPG · $4,940–$5,360/yr
Versus 2016: The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,940.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,940 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,360 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2016 Infiniti QX80 MPG
16 MPG · $4,940–$5,140/yr
Versus 2015: The most efficient configuration stays at 16 MPG. Its annual cost goes from $4,920 to $4,940, $20 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,940 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 14 | 19 | 16 | $5,140 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Infiniti QX80 MPG
15–16 MPG · $4,920–$5,280/yr
Versus 2014: The most efficient configuration stays at 16 MPG. Its annual cost goes from $5,040 to $4,920, $120 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $4,920 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 14 | 20 | 16 | $5,000 |
| (over 6000 lbs curb weight) | 5.6L 8-cyl | 4WD | 13 | 19 | 15 | $5,280 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2014 Infiniti QX80 MPG
16 MPG · $5,040–$5,090/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 14 | 20 | 16 | $5,040 |
| QX80 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 14 | 20 | 16 | $5,090 |
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 QX80 5.6L 8-cyl RWD: $5,940 in California and $4,320 in Texas, a $1,620 difference.
- California $5,940
- Washington $5,590
- New York $4,920
- Florida $4,550
- Texas $4,320
Similar cars
Closest combined MPG among MY2024 standard SUV models.
Generations
- 2014-2024 (Z62)
- 2025-2027* (Z63)
Frequently asked questions
What gas mileage does the 2014-2024 Infiniti QX80 get?
EPA rates the 2014-2024 Infiniti QX80 at 15–16 MPG combined across 26 configurations and 11 model years. The most efficient version, the 2024 QX80 5.6L 8-cyl RWD, is rated 16 MPG (14 city, 20 highway).
Which years had the best MPG in the 2014-2024 Infiniti QX80?
Every model year of the 2014-2024 Infiniti QX80 tops out at 16 MPG combined, so no year is better than another.
Did EPA ratings change during the 2014-2024 Infiniti QX80?
Yes. Ratings changed in 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023 and 2024. In 2019 the values repeat the year before.
How much does it cost to fuel a 2024 Infiniti QX80 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX80 5.6L 8-cyl RWD costs about $4,980 a year. Across all 2 configurations the cost runs $4,980–$5,360 a year. That is a $380 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2024 Infiniti QX80 100 miles?
About $33.20 per 100 miles for the QX80 5.6L 8-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $33.20 and $35.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2024 Infiniti QX80 more efficient in the city or on the highway?
The QX80 5.6L 8-cyl RWD is rated 14 city and 20 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2024 Infiniti QX80 compare with other standard SUV configurations?
The QX80 5.6L 8-cyl RWD costs about $4,980 a year to fuel, $1,550 more than the class median of $3,430, and less than 1 of 10 standard SUV configurations. The comparison covers all 263 rated standard SUV configurations for MY2024, not weighted by sales.
Is the 2024 Infiniti QX80 different from the 2023 model?
The most efficient configuration stays at 16 MPG. Its annual cost stays at $4,980. EPA lists 2 configurations for 2024 against 3 configurations for 2023. See the 2023 Infiniti QX80 for that year.