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What is the tire size of the Changan Uni-K?

1 Answers

Nigel

07/29/25 5:07pm

The Changan Uni-K comes with three tire size options: 255/50R20, 255/55R19, and 265/45R21. In 255/50R20, the first number 255 indicates the tire width is 255mm, 50 represents the aspect ratio of the tire section at 50% (meaning the section height is 50% of the width), 20 denotes the rim diameter is 20 inches, and the middle letter "R" stands for radial tire. In 255/55R19, the first number 255 indicates the tire width is 255mm, 55 represents the aspect ratio of the tire section at 55% (meaning the section height is 55% of the width), 19 denotes the rim diameter is 19 inches, and the middle letter "R" stands for radial tire. In 265/45R21, the first number 265 indicates the tire width is 265mm, 45 represents the aspect ratio of the tire section at 45% (meaning the section height is 45% of the width), 21 denotes the rim diameter is 21 inches, and the middle letter "R" stands for radial tire. The Changan Uni-K is equipped with Continental MC6 tires, which feature a wide tread and thin sidewalls, providing strong grip performance. Additionally, the spare tire is full-size. If you wish to replace the tires yourself, follow these steps: Retrieve the spare tire and jack, position the jack under the vehicle frame near the tire to be replaced, ensuring it contacts the metal part of the frame. Raise the jack until it supports the vehicle, making sure the jack is positioned directly under the car and perpendicular to the ground. Remove the hubcap and loosen the nuts counterclockwise. Do not fully remove the nuts; just loosen them enough to reduce resistance. Keeping the tire on the ground while loosening ensures the nuts turn, not the tire. Continue turning the nuts counterclockwise until they are loose. Repeat this step for all lug nuts, then remove them completely. Place the new tire onto the wheel hub, carefully aligning the tire rim with the wheel bolts. Install the lug nuts and hand-tighten them until all nuts are snug. The tire replacement is now complete. In addition to the size, tires also display the following common information: Tire cord material: Indicated by Chinese pinyin, such as M for cotton cord, R for rayon cord, N for nylon cord, G for steel cord, and ZG for steel radial cord. Speed rating: Indicates the maximum speed at which the tire can carry a specified load under defined conditions. Letters A to Z represent certified speed ratings from 4.8 km/h to 300 km/h. Common speed ratings include: Q: 160 km/h; H: 210 km/h; V: 240 km/h; W: 270 km/h; Y: 300 km/h. Rim specification: Indicates the rim size compatible with the tire for practical use, such as "Standard Rim 5.00F."

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