Do sedan tires need to be replaced all four at the same time?
2 Answers
Sedan tires do not need to be replaced all four at the same time. The general lifespan of tires is six years or 80,000 kilometers, and tires should be replaced promptly when either condition is met. Even if you don't drive frequently, tires should still be replaced upon reaching the specified age, as tire aging becomes quite severe after five years. Tires should be rotated regularly, meaning swapping the front and rear positions. Since the front wheels control direction and experience greater friction during turns, over time, the tread patterns of front and rear tires will differ. Regular tire rotation can effectively extend tire lifespan. For safety reasons, it's best to replace tires in pairs.
The topic of whether to replace all four tires is something I often discuss in car enthusiast groups. Replacing all four tires ensures safer and more stable driving, avoiding vehicle imbalance caused by uneven wear, which can lead to skidding during high-speed turns. I once read an accident report where a car skidded and hit the guardrail in rainy weather due to severely worn rear tires that weren’t replaced—very dangerous. I recommend checking the remaining tread depth each time you replace tires; if it’s less than 1.6mm or shows cracks, prioritize replacing all four. Additionally, consider a wheel alignment, as it reduces uneven wear and extends tire life. Personally, I make it a habit to check tire pressure weekly to ensure even wear. Remember, while the upfront cost may seem high, it saves potential repair expenses and risks in the long run, making it a more cost-effective choice.