Infiniti QX80 4WD Fuel Economy History
MPG by year — EPA official data.
Best MPG Year
2026
17 MPG combined
Latest Model
2026
17 MPG combined
| Year | Engine | City | Hwy | Combined | Fuel Cost/yr | |
|---|---|---|---|---|---|---|
| 2026 | Premium | 16 | 19 | 17 | $4,800 | Details → |
| 2025 | Premium | 16 | 19 | 17 | $4,800 | Details → |
| 2024 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2023 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2022 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2021 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2020 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2019 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2018 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2017 | Premium | 13 | 19 | 15 | $5,450 | Details → |
| 2016 | Premium | 14 | 19 | 16 | $5,100 | Details → |
| 2015 | Premium | 14 | 20 | 16 | $5,100 | Details → |
| 2014 | Premium | 14 | 20 | 16 | $5,100 | Details → |