Federal Couragia F/X 275/45 R19 108Y XL

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The Federal Couragia F/X is an all-terrain tire that provides excellent traction and handling in a variety of conditions. The tire has a rugged tread pattern that helps it grip the road, even in wet or icy conditions. The tire is also designed to resist punctures and provide a comfortable ride. This tire is designed to be used on dry and wet pavement.

What does 275/45R19 mean?


The tire width is 275mm.


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.

275/45R19 108Y tire size

The width of 275/45R19 108Y tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 275/45R19 108Y tire size in inches as well as few additional metrics:

In inches In millimeters

Section Width

10.8″ 275mm

Sidewall height

4.9″ 124mm

Diameter / Height

28.7″ 730mm


90.3″ 2294mm

Rim Diameter



702 per mile 436 per kilometer

Rim Size for 275/45R19 108Y Tires

Recommended rim sizes for 275/45R19 108Y tire:

Diameter Width Range
19″ 8.5-10.5″

What does 108Y mean?

The load index 108 means that the tire has been designed to support 2205 lbs or 1000 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 cars.


Federal Couragia F/X is a tire brand that is known for its quality and durability. The company has been in business for over 20 years and has a reputation for making high-quality tires. The company’s tires are used by many professional racing teams and are trusted by many drivers. The company offers a wide range of tires, including all-season, winter, and performance tires.

Tire Specification

Brand: Federal
Model: Couragia F/X
Season: Summer
Size: 275/45 R19
Load Index: 108 — 1000 kg | x4 - 4000 kg
Speed Index: Y — 300 km\h
Car Type:SUV
Road: On/Off road
XL / Extra Load: Yes
RunFlat technology: No
Commercial / Reinforced: No
Year: 2011
EU Label
Fuel efficiency: E
Wet grip: E
Noise level: 70dB