2015 Infiniti QX50/QX55 Tire Pressure & Sizes


Infiniti QX50/QX55's built in 2015 with the following tire sizes are recommended to be kept at the following pressures.

Tire Size Front Rear
P225/55R18 97V

"P" tires are designed for carrying "passengers" only

33 PSI 33 PSI
P245/45R19 98V

"P" tires are designed for carrying "passengers" only

33 PSI 33 PSI

What Do These Numbers Mean?

When comparing tires you will find that they display various numbers and codes along the edges.

These numbers help you choose the right tire (size and speed rating) for your car and the following image shows you what each of them mean:

Tire codes guide

Infiniti QX50/QX55

Infiniti QX50/QX55 Image