What is the tire model of the Buick GL8 Landmark?

1 Answers
VanReed
07/30/25 5:59am
The tire model specification of the Buick GL8 is 225/55R18. The first number 225 represents the tire width of 225MM, 55 indicates the aspect ratio of the tire section is 55%, meaning the section height is 55% of the width, and 18 represents the rim diameter of 18 inches. The middle letters or symbols have special meanings: "X" denotes a high-pressure tire; "R" and "Z" denote radial tires; "-" denotes a low-pressure tire. Maximum speed is 195km/h, 0-100km/h acceleration is 9.8 seconds, and fuel consumption is 7.8L per 100km. In addition to the model, the tire also carries the following common data: Tire cord material: indicated by Chinese pinyin, such as M-cotton cord, R-rayon cord, N-nylon cord, G-steel cord, ZG-steel radial cord tire. Speed rating: indicates the maximum speed at which the tire can carry a specified load under specified conditions. Letters A to Z represent the certified speed ratings of the tire from 4.8km/h to 300km/h. Commonly used speed ratings include: Q: 160km/h; H: 210km/h; V: 240km/h; W: 270km/h; Y: 300km/h; Rim specification: indicates the rim specification compatible with the tire for practical use, such as "Standard rim 5.00F".
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