Original-equipment tire sizes for the 2025 Infiniti QX55 from the factory fitment data, and the tires we can supply below. Prices are quoted all-in — tire, installation, balancing and taxes.
| Trim | Tire size (OE) | |
|---|---|---|
| Essential | 255/45R20 | Shop 255/45R20 |
| Luxe | 255/45R20 | Shop 255/45R20 |
| Sensory | 255/45R20 | Shop 255/45R20 |
These are the original-equipment fitments for this model. Optional wheel packages can differ — the door-jamb placard is final. Not sure? Text us a photo and we will confirm the size.
All Season
Run-flat 
Winter
Winter
Winter
Winter
All Season
All Season
All Season
Summer
Summer
Winter
Summer
All Season
Winter
All Season
Winter
Summer
All Season
