Infiniti QX50 tire size
The most common factory tire size for the Infiniti QX50 is 255/45R20, on 32 of the 61 year and trim fits listed. Each year below lists the sizes its trims were built with (2014 to 2025). Pick your year and trim to see the tires that fit.
Infiniti QX50 tire sizes by year
20242 sizes · 11 trims
20232 sizes · 11 trims
20222 sizes · 12 trims
20212 sizes · 12 trims
20174 sizes · 6 trims
P225/55R18load index 97, speed rating V
P245/45R19load index 98, speed rating V
20164 sizes · 6 trims
P225/55R18load index 97, speed rating V
P245/45R19load index 98, speed rating V
20154 sizes · 7 trims
20144 sizes · 9 trims
P225/55R18load index 97, speed rating V
P245/45R19load index 98, speed rating V
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.