- Newest year: 2027
- Gas
- Standard SUVs
- Partial model year
2025-2027 Infiniti QX80 MPG & Fuel Cost
3 model years · 17–18 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, MY2027. Ranked against all rated configurations, not sales-weighted.
2025-2027 Infiniti QX80 at a glance
The 2025-2027 Infiniti QX80 covers 3 model years in the EPA database (6 configurations in all), rated 17–18 MPG combined. The newest model year, 2027, costs about $4,550 a year to fuel for its most efficient version, the QX80 3.5L 6-cyl turbo RWD (18 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2026 and 2027.
Model year 2027 is still being filled in by EPA (2 configurations listed so far), so rows may be added.
2025-2027 Infiniti QX80 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2027 (partial) | Gas | 17–18 MPG | $4,550–$4,710 | Ratings changed |
| 2026 | Gas | 17–18 MPG | $4,560–$4,710 | Ratings changed |
| 2025 | Gas | 17–18 MPG | $4,560–$4,710 | First year |
What the 2027 QX80 3.5L 6-cyl turbo RWD costs to drive
Per month
$379
$4,550 a year ÷ 12
Per 25 miles
$7.58
Per 100 miles
$30.33
Five years
$22,750
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$1,390more a year
Class median $3,160 a year, MY2027
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2027 Infiniti QX80 MPG
Model year 2027 is still being filled in by EPA (2 configurations listed so far), so rows may be added.
Versus 2026: The most efficient configuration stays at 18 MPG. Its annual cost goes from $4,560 to $4,550, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 3.5L 6-cyl turbo RWD (Most efficient) | 3.5L 6-cyl turbo | RWD | 16 | 20 | 18 | $4,550 |
| QX80 3.5L 6-cyl turbo 4WD | 3.5L 6-cyl turbo | 4WD | 16 | 19 | 17 | $4,710 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 Infiniti QX80 MPG
17–18 MPG · $4,560–$4,710/yr
Versus 2025: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,560.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 3.5L 6-cyl turbo RWD (Most efficient) | 3.5L 6-cyl turbo | RWD | 16 | 20 | 18 | $4,560 |
| QX80 3.5L 6-cyl turbo 4WD | 3.5L 6-cyl turbo | 4WD | 16 | 19 | 17 | $4,710 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 Infiniti QX80 MPG
17–18 MPG · $4,560–$4,710/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX80 3.5L 6-cyl turbo RWD (Most efficient) | 3.5L 6-cyl turbo | RWD | 16 | 20 | 18 | $4,560 |
| QX80 3.5L 6-cyl turbo 4WD | 3.5L 6-cyl turbo | 4WD | 16 | 19 | 17 | $4,710 |
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 3.5L 6-cyl turbo RWD: $5,420 in California and $3,950 in Texas, a $1,470 difference.
- California $5,420
- Washington $5,100
- New York $4,490
- Florida $4,150
- Texas $3,950
Similar cars
Closest combined MPG among MY2027 standard SUV models.
Generations
- 2014-2024 (Z62)
- 2025-2027* (Z63)
Frequently asked questions
What gas mileage does the 2025-2027 Infiniti QX80 get?
EPA rates the 2025-2027 Infiniti QX80 at 17–18 MPG combined across 6 configurations and 3 model years. The most efficient version, the 2027 QX80 3.5L 6-cyl turbo RWD, is rated 18 MPG (16 city, 20 highway).
Which years had the best MPG in the 2025-2027 Infiniti QX80?
Every model year of the 2025-2027 Infiniti QX80 tops out at 18 MPG combined, so no year is better than another.
Did EPA ratings change during the 2025-2027 Infiniti QX80?
Yes. Ratings changed in 2026 and 2027.
How does the 2025-2027 Infiniti QX80 compare with the previous generation?
The previous generation (2014-2024 Infiniti QX80) is rated 15–16 MPG combined and costs $4,920–$5,360 a year to fuel; the 2025-2027 model is rated 17–18 MPG and costs $4,550–$4,710 a year.
How much does it cost to fuel a 2027 Infiniti QX80 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX80 3.5L 6-cyl turbo RWD costs about $4,550 a year. Across all 2 configurations the cost runs $4,550–$4,710 a year. That is a $160 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2027 Infiniti QX80 100 miles?
About $30.33 per 100 miles for the QX80 3.5L 6-cyl turbo RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $30.33 and $31.40 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2027 Infiniti QX80 more efficient in the city or on the highway?
The QX80 3.5L 6-cyl turbo RWD is rated 16 city and 20 highway MPG, so it is more efficient on the highway, by 4 MPG.
How does the 2027 Infiniti QX80 compare with other standard SUV configurations?
The QX80 3.5L 6-cyl turbo RWD costs about $4,550 a year to fuel, $1,390 more than the class median of $3,160, and less than 1 of 10 standard SUV configurations. The comparison covers all 184 rated standard SUV configurations for MY2027, not weighted by sales.
Is the 2027 Infiniti QX80 different from the 2026 model?
The most efficient configuration stays at 18 MPG. Its annual cost goes from $4,560 to $4,550, $10 less. EPA lists 2 configurations for 2027 against 2 configurations for 2026. See the 2026 Infiniti QX80 for that year.