The 2003 Infiniti QX4 window sticker reads 16 mpg combined (14 city, 19 highway) for the 3.5L 6-cyl.
The Infiniti QX4 window sticker — build, options & years
The Infiniti QX4 ran from 1997–2003.
For year-by-year recalls, MPG and safety, see the full Infiniti QX4 VIN decoder.
What the Infiniti QX4 sticker says about fuel
EPA figures for the 2003 QX4:
The label also prints an estimated $3,900 a year in fuel at 15,000 miles, and 589 g/mi of CO₂. In its EPA class (Sport Utility Vehicle, 2003) the best QX4 version ranks #26 of 33 on combined MPG (the class best is 22 mpg).
How the QX4's sticker figure changed
Combined MPG by model year, 1997 to 2003:
Combined went from 15 mpg in 1997 to 16 in 2003.
The QX4 sticker against its rivals
On combined MPG the QX4 trails all 2: its most efficient 2003 version reads 16 mpg, the Isuzu Rodeo 18.
| Model | EPA year | Best combined | NHTSA overall |
|---|---|---|---|
| Infiniti QX4 | 2003 | — | |
| Isuzu Rodeo | 2004 | — | |
| Mitsubishi Montero Sport | 2004 | — |
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Recalls, MPG and safety year by year: Infiniti QX4 VIN decoder.
QX4 window sticker — every model year
Any QX4 from 1997–2003: the VIN carries the model year, so there is no year to pick. Other Infiniti models: Infiniti window stickers.
Other Infiniti window stickers
| Model | Years covered | Class | Best EPA figure |
|---|---|---|---|
| Infiniti Q50 | Midsize Cars | 31 mpg | |
| Infiniti QX60 | Standard Sport Utility Vehicle 4WD | 26 mpg | |
| Infiniti QX80 | Standard Sport Utility Vehicle 4WD | 18 mpg | |
| Infiniti G37 | Subcompact Cars | 22 mpg | |
| Infiniti G35 | Compact Cars | 20 mpg | |
| Infiniti Q60 | Subcompact Cars | 25 mpg |
Where to find the VIN on a Infiniti QX4
- WindshieldLower-left corner, driver's side, readable from outside without opening anything.
- Door jambOn the driver's door frame of every QX4, next to the tire-pressure and build-date plate.
- DocumentsRegistration, title and insurance card — on a Infiniti QX4 all three must show the same number.
Window sticker — frequently asked
What MPG does the Infiniti QX4 window sticker show?
The 2003 label shows up to 16 mpg combined, #26 of 33 in its EPA class (Sport Utility Vehicle). EPA puts the fuel bill at about $3,900 a year.
Does the QX4 sticker show better MPG than the Isuzu Rodeo?
No: the most efficient 2003 QX4 reads 16 mpg combined, the 2004 Isuzu Rodeo 18.
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