Can second-hand tires be used?

[SanMaddox]

Second-hand tires can be used, but when purchasing them, it is important to check for severe wear, deformation, uneven wear, or cracks in the tire body. The functions of tires are: 1. To transmit driving force, braking force, and steering force, enabling the operation of the vehicle; 2. To support the vehicle load; 3. To reduce and absorb vibrations and impacts during driving, preventing severe vibrations from damaging vehicle components. Methods for maintaining car tires: 1. Regularly check tire pressure; 2. Remove debris from the tire tread; 3. Inspect the tire wear condition and replace them in time based on the wear; 4. Perform four-wheel rotation to ensure even force distribution across all four tires and avoid excessive wear.

[PeterRose]

To be honest, I'm very cautious about using second-hand tires. Tires are the only part of a car that makes contact with the ground, so safety is the top priority. Second-hand tires may have uneven wear or internal damage, which can easily lead to sudden blowouts during high-speed driving—no joking matter, as it can cause serious accidents. I recommend checking a few key points first: the tread depth should be at least 1.6 mm, otherwise the risk of skidding is high; the production date should be no more than 5 years old, as aging reduces elasticity; and check for cracks or repair marks on the sidewalls, as these can hide hazards. Saving a few hundred bucks might seem tempting, but it’s not worth the potential life-threatening risks. It’s best to buy from a trusted source or simply get new tires for peace of mind—after all, safety is priceless, and regret comes too late when something goes wrong.

[JulianRose]

As a seasoned driver with years of experience, I understand the urge to save money when on a tight budget. Used tires can indeed be very appealing price-wise—while a new set can easily cost over a thousand, used ones might only set you back a few hundred. That said, not all used tires are unusable; you just need to pick carefully. For example, check if the tread wear is even, without one side being higher than the other. The manufacturing date is printed on the sidewall—if the numbers are clear, the tires aren’t too old. Also, make sure there are no punctures or sidewall damage. If the wear is minimal and the source is reliable, using them is perfectly fine and can even help reduce waste. However, don’t skimp on inspection just to save a few bucks—if they fail mid-drive, the repair costs could be much higher. The key is to carefully weigh the risks and benefits, and if you’re unsure, have a mechanic take a look.

[EllaLee]

After using second-hand tires a few times, I've gained some insights: Once I bought a set of second-hand tires to save money, and they felt fine at first. But a month later, they suddenly slipped in the rain, nearly causing an accident. Upon inspection, I found small cracks on the sidewalls that I hadn't noticed before. It was a profound lesson—second-hand tires can save money, but extreme caution is required. Now, I only buy from reputable sellers or take tires that friends have replaced, ensuring deep treads and recent manufacturing dates. For daily driving, avoid high speeds or heavy loads, and it's safer to use them on the rear wheels. Never take tires lightly—they're crucial for safety. Don't hesitate to replace them when necessary.