Atturo AZ850 315/35 R20 110Y

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The Atturo AZ850 is an all-season tire that provides excellent traction and handling in all weather conditions. The AZ850 features a unique tread design that provides excellent grip on wet or dry roads. The tire also features a reinforced sidewall that provides superior durability and puncture resistance. The AZ850 is an affordable all-season tire that is backed by a treadwear warranty. The Atturo AZ850 is a high performance all-season tire designed for use on sports cars, sedans, and CUVs. The tire features a symmetric tread pattern with wide circumferential grooves and lateral shoulder blocks that provide excellent traction and handling in both dry and wet conditions. The AZ850 also has a reinforced sidewall that enhances its stability and durability.

What does 315/35R20 mean?


The tire width is 315mm.


The aspect ratio of the tire is 35. 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.

315/35R20 110Y tire size

The width of 315/35R20 110Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 315/35R20 110Y tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

12.4″ 315mm

Sidewall height

4.3″ 110mm

Diameter / Height

28.7″ 729mm


90.1″ 2289mm

Rim Diameter



703 per mile 437 per kilometer

Rim Size for 315/35R20 110Y Tires

Recommended rim sizes for 315/35R20 110Y tire:

Diameter Width Range
20″ 10.5-12.5″

What does 110Y mean?

The load index 110 means that the tire has been designed to support 2337 lbs or 1060 kg.

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

This size tire is usually used on high-performance vehicles.


Atturo is a brand of tire that is known for its quality and performance. The Atturo AZ850 is a tire that is designed for those who want a quality tire that will last long and perform well. The AZ850 is a tire that is made with a special compound that makes it resistant to wear and tear. This tire also has a unique tread pattern that helps it grip the road in all conditions.

Tire Specification

Brand: Atturo
Model: AZ850
Season: Summer
Size: 315/35 R20
Load Index: 110 — 1060 kg | x4 - 4240 kg
Speed Index: Y — 300 km\h
Car Type:SUV
Road: On/Off road
XL / Extra Load: No
RunFlat technology: No
Commercial / Reinforced: No