What is the optimal tire pressure for SUVs?

1 Answers
StJason
07/29/25 8:46pm
The recommended tire pressure for SUVs is generally around 2.2-2.5 bar. However, to determine the exact normal tire pressure for your specific SUV, you can refer to the vehicle's user manual or check the manufacturer's recommended values indicated on the label near the door (around the B-pillar or C-pillar). Hazards of overinflated tires: 1. Overinflation reduces tire friction and adhesion, affecting braking performance and shortening tire lifespan. 2. Overinflated tires have decreased puncture resistance, increasing the risk of blowouts. 3. Accelerates wear on the central tread pattern, reducing tire life and increasing vehicle vibration, which indirectly affects the lifespan of other components. 4. Excessive tire pressure overextends and deforms the tire cords, reducing elasticity and increasing the load during driving while decreasing puncture resistance. This makes tires more vulnerable to sharp objects like nails or glass, potentially causing internal cracks, ruptures, and blowouts. Hazards of underinflated tires: 1. Low tire pressure increases fuel consumption, makes steering heavier, causes alignment issues, damages the bead area, causes abnormal wear, reduces tire strength, and may lead to blowouts during high-speed driving. 2. Insufficient pressure increases movement in all tire parts, causing excessive flexing that generates abnormal heat, degrading cord and rubber functionality, potentially leading to ply separation, cord breakage, or excessive friction between the bead and rim. 3. Significantly increases friction with the road surface, causing rapid temperature rise that softens the tire and drastically reduces strength, potentially resulting in blowouts during high-speed driving.
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