What is the normal tire pressure value?
2 Answers
According to the international GBT2978-2008 standard, the tire pressure for different types of tires is as follows: Standard tires: 2.4-2.5bar; Reinforced tires: 2.8-2.9bar; Maximum pressure: should not exceed 3.5bar. Normal tire pressure range in winter: In winter, the tire pressure should be based on the standard tire pressure of the car, with an appropriate increase of about 0.2bar. Normal tire pressure range in summer: Generally, the lower limit of the standard tire pressure is sufficient. For example, the lower limit for standard tires is 2.4bar. If the car is often parked outdoors, the tire pressure can generally be about 0.1bar lower than the standard to avoid tire blowouts due to high temperatures. Hazards of excessive tire pressure: Reduced friction and adhesion of the tire, affecting braking performance; Causes steering wheel vibration and deviation, reducing driving comfort; Accelerates wear on the central tread pattern of the tire, shortening tire lifespan; Increases body vibration, indirectly affecting the lifespan of other components; Causes excessive stretching and deformation of tire cords, reducing tire elasticity and increasing the load on the car during driving; Decreases puncture resistance. When encountering sharp objects like nails or glass on the road, they can easily penetrate the tire, causing internal cracks and blowouts.
Having driven for many years, I've found that the normal tire pressure range is typically between 220 to 250 kilopascals, which converts to approximately 2.2 to 2.5 bar—specific values depend on the vehicle model and tire brand. You can usually find a sticker with this information on the driver's side door pillar. Maintaining this range is crucial: if the pressure is too high, tires wear out faster and are more prone to blowouts; if it's too low, fuel consumption increases, and braking distance is affected, especially at high speeds. I recommend checking your tire pressure monthly with a simple tire gauge and topping up if it falls below the recommended level. Don't forget seasonal changes—tire pressure naturally rises slightly in hot summer weather and drops in cold winter months, so you may need to adjust accordingly to maintain stability for fuel efficiency and safety. This habit has helped me avoid many issues, and I encourage everyone to develop a routine of regular checks.
