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What size tires fit an 18-inch wheel?

1 Answers

ClaraLynn

07/30/25 1:02am

18-inch wheels have a rim width of 7.5 inches and are suitable for 225mm wide tires, with a maximum width of 235mm. There are many ways to represent tire specifications, with four common types in the market: British, German, metric, and American standards. The German standard is similar to the metric system, except that the tire width is expressed in millimeters, and the aspect ratio is added. The inner diameter of the tire is still expressed in inches, followed by the load index and speed rating. Wider wheels and tires are not suitable for civilian vehicles because wider tires create significant rolling resistance, requiring sufficient horsepower to drive normally. Larger wheel sizes result in smaller tire aspect ratios, greatly improving handling and steering precision. The only drawbacks are increased fuel consumption and reduced in-car comfort. It is important to note that the purchased tire specifications should ideally match the original tires installed on the vehicle. If changes to the tire specifications are necessary, it is essential to visit a professional modification shop for a tire upgrade or consult the vehicle manufacturer.

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What are the reasons for the Magotan's reversing radar not beeping?

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Is it safe to leave the car at the dealership after inspection if I can't pick it up immediately?

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