Dunlop SP Sport Maxx GT 315/35 R20 110W RF

The Dunlop SP Sport Maxx GT is a high performance tire that is designed for use on sports cars. The tire has a unique tread pattern that helps to provide excellent grip and handling on dry or wet roads. The tire is also designed to provide a comfortable ride and is quiet on the road. This tire is designed for use in high-performance vehicles. It is made to provide excellent grip and handling in both dry and wet conditions.

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 110W tire size

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

In inchesIn millimeters

Section Width


Sidewall height


Diameter / Height




Rim Diameter



703 per mile 437 per kilometer

Rim Size for 315/35R20 110W Tires

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

DiameterWidth Range

What does 110W mean?

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

The speed index W means that the tire has been designed to be used in speed up to 168 mph or 270 kph.

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


Dunlop SP Sport Maxx GT is a high performance tire designed for speed and handling. It features a unique tread pattern and compound that provide excellent grip and traction in all weather conditions. The tire is also very durable and has a long lifespan.

Tire Specification

Brand: Dunlop
Model: SP Sport Maxx GT
Season: Summer
Size: 315/35 R20
Load Index: 110 — 1060 kg | x4 - 4240 kg
Speed Index: W — 270 km\h
Car Type:Passenger
Road: City
XL / Extra Load: No
RunFlat technology: Yes
Commercial / Reinforced: No