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How to Identify Car Tire Models

2 Answers

DiZoe

07/25/25 4:04am

Tire models can generally be found on the sidewall of the tire. For example, a tire model might be 205/60R16. The first number, 205, indicates that the tire width is 205MM. The number 60 represents the aspect ratio of the tire's cross-section, which is 60%, meaning the height of the cross-section is 60% of the width. The letter R stands for radial tire, and 16 indicates the rim diameter is 16 inches. In addition to the model, tires also display the following common data: Tire cord material: Represented by Chinese pinyin, such as M for cotton cord fabric, R for rayon cord fabric, N for nylon cord fabric, G for steel cord fabric, and ZG for steel radial cord fabric tire. Speed rating: Indicates the maximum speed at which the tire can carry a specified load under defined conditions. Letters from A to Z represent certified speed ratings ranging from 4.8km/h to 300km/h. Common speed ratings include: Q: 160km/h; H: 210km/h; V: 240km/h; W: 270km/h; Y: 300km/h. Rim specification: Shows the rim size compatible with the tire for practical use, such as "Standard Rim 5.00F".

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MargaretMarie

08/10/25 5:15pm

When I first started driving, I didn't know how to find the tire model. A friend taught me to squat down and look at the sidewall of the tire, where the engraved characters are like an ID number. For example, a common one like 205/55 R16: 205 is the width in millimeters, 55 is the aspect ratio, R stands for radial tire construction, and 16 is the rim size in inches. I usually check while washing the car, using a wet cloth to clean and see all the characters clearly. Remember not to just look at the numbers; there are also speed ratings and load indexes like 91T, where T means a maximum speed of 190 km/h. The wrong model might affect driving safety or insurance claims, so I record it in my phone every seasonal maintenance. It would be a big trouble if the model is wrong when buying new tires, so this method saves money and gives peace of mind.

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