2021 Infiniti Qx80
16MPG
Combined
3
Trims
Updated February 27, 2026
The 2021 Infiniti Qx80 SUV provides 15–16 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.
2021 Infiniti Qx80 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 15–16 combined MPG depending on trim |
| City MPG | 14 |
| Highway MPG | 20 |
| Body Style | SUV |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 3 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 8 cyl | 14/20/16 | 5.6L 8cyl | Automatic (S7) |
| 8 cyl | 13/19/15 | 5.6L 8cyl | Automatic (S7) |
| 8 cyl | 13/19/15 | 5.6L 8cyl | Automatic (S7) |
Annual Fuel Cost
Based on EPA estimates, the 2021 Infiniti Qx80 costs approximately $3,816 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2021 Infiniti Qx80
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Other Model Years
- 2026 Infiniti Qx80
- 2025 Infiniti Qx80
- 2024 Infiniti Qx80
- 2023 Infiniti Qx80
- 2022 Infiniti Qx80
- 2021 (this page)
- 2020 Infiniti Qx80
- 2019 Infiniti Qx80
- 2018 Infiniti Qx80
- 2017 Infiniti Qx80
- 2016 Infiniti Qx80
- 2015 Infiniti Qx80
- 2014 Infiniti Qx80
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