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What is the optimal tire pressure for sedans on highways?

1 Answers

JanelleDella

07/30/25 12:20am

Generally, in summer, the front tires should be at 2.3 kg, and the rear tires at 2.5 kg; in winter, the front tires should be at 2.5 kg, and the rear tires at 2.7 kg. The specific pressure depends on the vehicle model. Below is some information about sedan tire pressure: 1. Tire pressure: "Tire pressure" refers to the air pressure inside the tire. Both overinflation and underinflation can affect the tire's lifespan. Underinflation increases tire deformation, leading to cracks on the sidewalls, enlarges the contact area with the ground, accelerates shoulder wear, and increases fuel consumption. 2. Precautions: Maintaining proper tire inflation provides the best combination of handling, tread life, and driving comfort. It is recommended to check tire pressure regularly, including the spare tire. Even well-maintained tires can lose 10-20 kPa per month, so regular checks are essential.

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