Pirelli P Zero 285/45 R21 113Y XL

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The Pirelli P Zero is a high performance tire that offers excellent grip and handling. It is designed for use on high performance cars and is ideal for use in dry and wet conditions. The Pirelli P Zero has a unique tread pattern that helps to provide excellent traction and grip. The tire also features a special compound that helps to improve handling and stability. The Pirelli P Zero is a high performance tire that is designed to be used in dry and wet conditions.

What does 285/45R21 mean?


The tire width is 285mm.


The aspect ratio of the tire is 45. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width.


The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.

Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates.


Rim diameter for the tire.

285/45R21 113Y tire size

The width of 285/45R21 113Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 285/45R21 113Y tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

11.2″ 285mm

Sidewall height

5.0″ 128mm

Diameter / Height

31.1″ 790mm


97.7″ 2482mm

Rim Diameter



649 per mile 403 per kilometer

Rim Size for 285/45R21 113Y Tires

Recommended rim sizes for 285/45R21 113Y tire:

Diameter Width Range
21″ 9-10.5″

What does 113Y mean?

The load index 113 means that the tire has been designed to support 2535 lbs or 1150 kg.

The speed index Y means that the tire has been designed to be used in speed up to 186 mph or 300 kph.

These size tires are usually used for sport utility vehicles.


Founded in 1872, Pirelli is one of the oldest tire manufacturers in the world. Headquartered in Italy, the company produces tires for a variety of vehicles, including passenger cars, motorcycles, and commercial vehicles. Pirelli’s flagship product is the P Zero, a high-performance tire that is used on some of the world’s fastest cars, including the Bugatti Chiron and the Ferrari LaFerrari.

Tire Specification

Brand: Pirelli
Model: P Zero
Season: Summer
Size: 285/45 R21
Load Index: 113 — 1150 kg | x4 - 4600 kg
Speed Index: Y — 300 km\h
Car Type:Passenger
Road: City
XL / Extra Load: Yes
RunFlat technology: No
Commercial / Reinforced: No
EU Label
Fuel efficiency: B
Wet grip: B
Noise level: 71dB