Infiniti QX4 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Infiniti QX4 model year from 1997 to 2003 — each engine and transmission with its official city, highway and combined figures. Over these years the QX4 has been offered with 3.5L 6-cyl, 3.3L 6-cyl engines; the most efficient version is the 2003 (up to 16 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Infiniti QX4 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2003 | 15–16 MPG | 3.5L 6-cyl | — | — |
| 2002 | 15 MPG | 3.5L 6-cyl | — | — |
| 2001 | 15 MPG | 3.5L 6-cyl | — | — |
| 2000 | 15 MPG | 3.3L 6-cyl | — | — |
| 1999 | 15 MPG | 3.3L 6-cyl | — | — |
| 1998 | 15 MPG | 3.3L 6-cyl | — | — |
| 1997 | 15 MPG | 3.3L 6-cyl | — | — |
2003 Infiniti QX4: engines & MPG
The 2003 QX4 was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy from 15 to 16 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 2WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 14 | 19 | 16 MPG |
| QX4 4WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
2002 Infiniti QX4: engines & MPG
The 2002 QX4 was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
| QX4 2WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
2001 Infiniti QX4: engines & MPG
The 2001 QX4 was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
| QX4 2WD | 3.5L 6-cyl | Automatic 4-spd | Regular | 14 | 18 | 15 MPG |
2000 Infiniti QX4: engines & MPG
The 2000 QX4 was EPA-rated in 1 version (3.3L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
1999 Infiniti QX4: engines & MPG
The 1999 QX4 was EPA-rated in 1 version (3.3L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
1998 Infiniti QX4: engines & MPG
The 1998 QX4 was EPA-rated in 1 version (3.3L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.3L 6-cyl | Automatic 4-spd | Regular | 13 | 17 | 15 MPG |
1997 Infiniti QX4: engines & MPG
The 1997 QX4 was EPA-rated in 1 version (3.3L 6-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| QX4 4WD | 3.3L 6-cyl | Automatic 4-spd | Regular | 14 | 17 | 15 MPG |
Frequently asked questions
What MPG does an Infiniti QX4 get?
Depending on year and engine, EPA combined ratings for the QX4 range from 15 to 16 MPG. The most efficient rated version is the 2003 model year.
What engines does the 2003 Infiniti QX4 have?
The 2003 QX4 was EPA-rated with 3.5L 6-cyl engines — see the 2003 table above for each version's exact city/highway figures.
Does the Infiniti QX4 require premium gas?
No — rated versions run on regular gasoline.
https://vehisales.com/research/fuel-economy/infiniti/qx4.
See also: Infiniti QX4 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].