
Both changing two tires or four tires are acceptable. Here are the specific details about tire replacement: 1. If conditions allow: It is recommended to replace all four tires of the car together, as all four tires have the same tread pattern and wear level, ensuring consistent grip for all four wheels. If different tire tread patterns and wear levels are used together, it is necessary to ensure that tires with the same tread pattern and wear level are on the same axle to avoid performance issues due to varying grip levels. 2. If conditions do not allow: Replacing two tires on the same axle is also acceptable, but it is essential to ensure that the tires have the same tread pattern, structure, brand, specification, load index, and speed rating. From a safety perspective, it is best to place the new tires on the front and the old ones on the rear, at least ensuring that the tires on the same axle are consistent. This helps prevent side skidding caused by different friction levels between the left and right tires during emergency braking.

When it comes to changing tires, I've always believed safety is the top priority. If you only replace two tires, the difference in grip between new and old tires can cause traction imbalance on wet or slippery roads, leading to skidding or loss of steering control during turns. This is especially critical for four-wheel-drive vehicles, as mismatched tires may damage the drivetrain and increase repair costs. My recommendation is to replace all four tires when the tread wear exceeds 50%. This not only improves braking performance but also ensures even grip, reducing accident risks. Additionally, performing wheel balancing after a full tire change optimizes driving smoothness and extends tire lifespan. Don't compromise safety to save money – regularly checking tread wear indicators is crucial. In rainy or snowy conditions, the consistent performance of all-new tires provides greater peace of mind.

As a cost-conscious everyday driver, I'd recommend replacing the two most worn tires first to save money. Mounting them on the rear axle provides slightly better stability, then replace the other pair when budget allows. But ensure the new tires match the original specifications and brand to prevent traction inconsistencies that could cause accidents. From a budgeting perspective, I check tread depth during every oil change to determine when to replace the full set. With current inflation, phased replacements help manage expenses – just don't delay too long, act when wear exceeds 50%. Long-term, this approach helps me control maintenance costs without compromising basic safety. Remember, post-replacement tasks like pressure adjustment and wheel alignment shouldn't be skipped either.

When working in the workshop, I always recommend replacing all four tires. Changing just two leads to faster wear on the new tires, with the old ones holding performance back, often causing vehicle vibration or noise issues. Customers frequently return to complain, spending extra money on adjustments. Installing a full set of new tires ensures smoother handling and eliminates repeated maintenance hassles. Also, don’t forget the wheel alignment to prevent uneven wear. For daily driving, letting minor issues accumulate into major problems isn’t worth it.