Can tires be replaced with a wider size?
2 Answers
It is not recommended to replace tires with a wider size. The specific reasons are as follows: 1. Tires are the only part of a car that comes into contact with the ground, making them crucial for driving stability and safety. Car enthusiasts should not arbitrarily change the specifications and dimensions of tires, so it is advised not to switch to a larger tire size. 2. An aspect ratio of 55 means the height of the tire sidewall is 55% of the tire's section width. The larger the aspect ratio number, the thicker the tire appears from the side. Conversely, the smaller the aspect ratio number, the thinner the tire appears from the side. Tires with a higher aspect ratio offer better comfort but poorer handling. 3. Tires with a smaller aspect ratio provide better handling and grip, but they tend to have more road noise and less comfort. Therefore, performance cars typically use tires with a smaller aspect ratio to enhance handling. In contrast, regular family sedans or SUVs usually use tires with a larger aspect ratio for better comfort.
I think going one size wider with tires isn't too difficult, but it needs to be done carefully. Having driven many cars, I've noticed some people run into problems by blindly switching to wider tires. If the wheel size doesn't match, the tires are prone to bulging or bursting; wider tires make steering heavier, affecting handling; fuel consumption also increases noticeably—I've tested it in city driving and found it can burn 10% more fuel; not to mention legal issues, as some places impose fines for excessively wide tires. My advice is not to act recklessly—first, check the vehicle manual for the recommended maximum width range, then have a professional shop inspect the wheel and fender clearance. Going up one size might be okay, but a bigger jump can be really dangerous. After the change, take a few test drives to check braking and steering feel—safety comes first.