2017 Infiniti QX70 Specs: MPG, Gas Mileage, Engine Size & Dimensions
2017 Infiniti QX70 Specs at a Glance
The 2017 Infiniti QX70 gets 19 mpg combined on the 3.7L Rear-Wheel Drive configuration, weighs 4,601 lbs, measures 191.3 in long. Figures are per configuration, not a single official number — other trims rate as low as 18 mpg combined. Every figure below comes from EPA, NHTSA, or manufacturer published data — no estimates.
- Combined MPG
- 19 mpg (17 city / 24 hwy)
- Best configuration: 3.7L · Rear-Wheel Drive · Automatic (S7) · other 2017 trims rate 18–19 mpg combined
- Engine
- 3.7L 6-cyl
- 3.7L · Rear-Wheel Drive · Automatic (S7)
- Curb weight
- 4,601 lbs
- Heaviest recorded configuration: QX70 SPORT 4DR SUV AWD
- Length
- 191.3 in · 76 in wide · 66.1 in tall
- Wheelbase
- 113.8 in
2017 Infiniti QX70 trims and MPG
| Trim | Engine | Trans | Drive | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | Rear-Wheel Drive | 17 | 24 | 19 |
| Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | All-Wheel Drive | 16 | 22 | 18 |
Detailed Specifications
MPG & Fuel Economy
MPG for every year and trim
View details →Engine Specifications
Engine Specs for every year and trim
View details →Annual Fuel Cost
Fuel Cost for every year and trim
View details →Transmission Specifications
Transmission for every year and trim
View details →Drivetrain & Drive Type
Drivetrain for every year and trim
View details →Vehicle Class & EPA Size Category
Vehicle Class for every year and trim
View details →Maintenance Schedule & Service Intervals
Maintenance for every year and trim
View details →Dimensions & Size
Dimensions for every year and trim
View details →Curb Weight
Curb Weight for every year and trim
View details →Infiniti QX70 — All Years Overview
| Year | Trim | Engine | Trans | Drive | City | Hwy | Combined | Fuel |
|---|---|---|---|---|---|---|---|---|
| 2017 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | Rear-Wheel Drive | 17 | 24 | 19 | Premium Gasoline |
| 2017 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | All-Wheel Drive | 16 | 22 | 18 | Premium Gasoline |
| 2016 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | Rear-Wheel Drive | 17 | 24 | 19 | Premium Gasoline |
| 2016 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | All-Wheel Drive | 16 | 22 | 18 | Premium Gasoline |
| 2015 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | Rear-Wheel Drive | 17 | 24 | 19 | Premium Gasoline |
| 2015 | Auto (S7), 6 cyl, 3.7 L | 6 · 3.7L | Automatic (S7) | All-Wheel Drive | 16 | 22 | 18 | Premium Gasoline |
Compare across every brand
All Infiniti QX70 specifications
Infiniti QX70 — Frequently Asked Questions
What is the fuel economy of the 2017 Infiniti QX70?
The Infiniti QX70 is EPA-rated at up to 19 MPG combined (17 city / 24 highway).
What engine does the 2017 Infiniti QX70 have?
The Infiniti QX70 uses a 3.7L 6-cylinder engine paired with an Automatic transmission.
What years of the Infiniti QX70 are covered here?
This page documents 6 verified Infiniti QX70 configurations across model years 2015–2017.
Which model year of the Infiniti QX70 is the most fuel efficient?
Every documented Infiniti QX70 model year lands on the same 19 MPG combined peak, so fuel economy is not a reason to prefer one year over another.
How many engine options does the Infiniti QX70 have?
Across every year on record the Infiniti QX70 uses one displacement, 3.7L, so trims differ by drivetrain and equipment rather than engine size.
Is the 2017 Infiniti QX70 front-wheel drive or all-wheel drive?
The Infiniti QX70 appears in 2 drivetrain layouts across the years documented here — Rear-Wheel Drive, All-Wheel Drive — with the latest 2017 record on Rear-Wheel Drive.