Pirelli Cinturato P7 275/40 R18 103H XL

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The Pirelli Cinturato P7 is a high performance tire that offers excellent grip and handling in all weather conditions. The tire has a unique tread pattern that provides excellent traction on both wet and dry roads. The Pirelli Cinturato P7 is also a very quiet tire, making it a great choice for those who want a comfortable ride. This tire is designed to be used in all season conditions.

What does 275/40R18 mean?


The tire width is 275mm.


The aspect ratio of the tire is 40. 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.

275/40R18 103H tire size

The width of 275/40R18 103H tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 275/40R18 103H tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

10.8″ 275mm

Sidewall height

4.3″ 110mm

Diameter / Height

26.7″ 677mm


83.8″ 2127mm

Rim Diameter



756 per mile 470 per kilometer

Rim Size for 275/40R18 103H Tires

Recommended rim sizes for 275/40R18 103H tire:

Diameter Width Range
18″ 9-11″

What does 103H mean?

The load index 103 means that the tire has been designed to support 1929 lbs or 875 kg.

The speed index H means that the tire has been designed to be used in speed up to 130 mph or 210 kph.

This size of tire is usually used on a sports car.


Pirelli is an Italian tire company that was founded in 1872. The company is known for its premium tires that are used on high-performance cars. The Pirelli Cinturato P7 is a performance tire that is designed for use on sports cars and sedans. The tire is made with a special compound that helps to improve grip and handling.

Tire Specification

Brand: Pirelli
Model: Cinturato P7
Season: Summer
Size: 275/40 R18
Load Index: 103 — 875 kg | x4 - 3500 kg
Speed Index: H — 210 km\h
Car Type:Passenger
Road: City
XL / Extra Load: Yes
RunFlat technology: No
Commercial / Reinforced: No
Year: 2009
EU Label
Fuel efficiency: C
Wet grip: B
Noise level: 72dB