2018 Infiniti Q70
21MPG
Combined
4
Trims
Updated February 27, 2026
The 2018 Infiniti Q70 Sedan provides 18–21 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.
2018 Infiniti Q70 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 18–21 combined MPG depending on trim |
| City MPG | 18 |
| Highway MPG | 25 |
| Body Style | Sedan |
| Fuel Type | Premium |
| Drive | RWD |
| Available Trims | 4 |
Available Trims
| Trim | MPG (City/Hwy/Combined) | Engine | Transmission |
|---|---|---|---|
| 8 cyl | 16/24/19 | 5.6L 8cyl | Automatic (S7) |
| 6 cyl | 18/25/21 | 3.7L 6cyl | Automatic (S7) |
| 8 cyl | 16/23/18 | 5.6L 8cyl | Automatic (S7) |
| 6 cyl | 18/24/20 | 3.7L 6cyl | Automatic (S7) |
Annual Fuel Cost
Based on EPA estimates, the 2018 Infiniti Q70 costs approximately $3,000 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2018 Infiniti Q70
See how it stacks up against similar vehicles:
Other Model Years
- 2019 Infiniti Q70
- 2018 (this page)
- 2017 Infiniti Q70
- 2016 Infiniti Q70
- 2015 Infiniti Q70
- 2014 Infiniti Q70
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