What are the effects of changing from 265 to 285 tires?

[MacCatherine]

There is no impact when changing from 265 to 285 tires. Here are some considerations for tire replacement: 1. Adjustment: The rim remains unchanged when switching from 265 to 285 tires, but certain adjustments to the vehicle's height and parameters are necessary. The effects of the change vary depending on the type of vehicle. 2. Error value: If changing from 245/40R20 tires to 265/40R20 tires, the difference in diameter between the old and new tires is 2.27%. It's important to note that the error value for tire replacement should be controlled within approximately ±3%.

[EllianaLynn]

I just changed my tires from 265 to 285, and the handling has improved noticeably. The car feels much more stable, especially with stronger grip on high-speed corners. However, fuel consumption has also increased—my actual tests show about 10% more fuel usage, which adds up to significant long-term costs. A 20mm width difference requires checking if the rims are compatible; otherwise, the tires might not fit properly or deform, increasing the risk of a blowout. On my first turn, the tires rubbed against the wheel arches, creating more noise and reducing comfort. Overall, while performance improves, the economic cost is high. I recommend sporty drivers consider factory compatibility to avoid the hassle of illegal modifications.

[DiNolan]

I believe the main issue after upgrading to 285 tires is the increased safety risks. For instance, while the grip may improve, the tires are more prone to rubbing against the body during turns, leading to sluggish handling or even loss of control. I've calculated that the size change might put excessive pressure on the wheel hubs, causing faster tire wear and more frequent replacements, which increases costs. Legally, some regions with strict modification checks may fail your annual inspection, affecting insurance claims. On the other hand, fuel consumption also rises by about 5-10%. From actual driving experience, city driving becomes less comfortable, so I recommend measuring the wheel arch clearance carefully before making the switch to ensure everything is safe and sound.

[DiReed]

After upgrading to 285 tires, the car's appearance becomes super cool and more aggressive. The wider tires enhance grip, providing a greater sense of security while driving. However, it's important to note that overly large wheels may scrape the chassis or wheel arches, affecting the suspension. Driving on mountain roads can be noticeably bumpier, reducing comfort. The increased width slightly raises fuel consumption and noise levels. Although handling improves, maintenance costs are higher. It's recommended to pair them with suitable wheel sizes; otherwise, the effort might be in vain.