Is it normal for new car tires to have different manufacturing dates?

[MiaFitz]

It is normal for new car tires to have different production dates, but the production year of all four tires should be the same, and the week numbers generally should not differ by more than one week. Below is some information about tires: 1. Introduction: Tires are circular elastic rubber products mounted on various vehicles or machinery for ground rolling. They are typically installed on metal rims to support the vehicle body, absorb external shocks, maintain contact with the road surface, and ensure driving performance. 2. Required properties: Tires are often used under complex and demanding conditions, enduring various deformations, loads, forces, and high/low temperatures during operation. Therefore, they must possess high load-bearing capacity, traction performance, and shock absorption. Additionally, they need to have high wear resistance, flexibility, and low rolling resistance with minimal heat generation.

[MacCorey]

I specialize in automotive manufacturing research and have found that discrepancies between new car tires and their production dates are actually quite common. Tires are typically supplied separately to the assembly line, and delays or batch processing in the supply chain can result in a difference of several months. For example, a car manufactured in May may have tires produced in February, which is not a major issue. However, if the difference is too large—say, the tires were made over a year earlier—it raises concerns about aging. Rubber can harden, increasing the risk of blowouts, especially during high-speed driving or sudden braking. I recommend checking the tire's DOT code (a week/year code on the sidewall) upon delivery to ensure the gap from production to installation is within six months. If not, request the dealer to replace or adjust the tires. Additionally, tires have a lifespan of about six years from the production date. Regular rotation and pressure checks can extend their life, so new car owners should develop these habits early.

[AthenaAnn]

When I first bought my new car, I also encountered mismatched tire dates with the manufacturing date, which left me puzzled at the time. The salesperson explained that slow inventory turnover of tires could lead to a few months' difference, which is normal. I accepted the explanation but remained vigilant, as tires are crucial for safety. A small difference is no big deal, but a significant one, such as over a year, might mean the tires have become brittle, affecting braking distance and increasing danger. I insisted on thoroughly checking component compatibility when purchasing the car to avoid paying for old inventory. New car owners should pay attention to details, such as requesting to see production records, to ensure their investment is worthwhile. Tire maintenance is extremely important—checking tire pressure and wear monthly can extend their lifespan and prevent accidents.

[Rex]

Working in the auto repair field for a long time, I've seen many cases where new car tires have mismatched production dates, which can sometimes be normal. Supplier inventory issues often cause tires to be produced months in advance before assembly, and small discrepancies pose low risks. However, significant date differences require attention, as aged rubber is prone to cracking and may lead to high-speed loss of control. I use a pressure gauge and visual inspection to assess tire condition, recommending professional evaluation to prevent potential hazards. After picking up a new car, conduct a thorough inspection as soon as possible, including verifying tire dates—safety should never be compromised.