P235/55R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for P235/55R18 tires.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
P235/55R18 (99 SL) (102 XL) 1499 lbs 1576 lbs 1653 lbs 1709 lbs (99 SL) 1797 lbs 1874 lbs (102 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
P235/55R18 (99 SL) (102 XL) 1499 lbs 1576 lbs 1653 lbs 1709 lbs (99 SL) 1797 lbs 1874 lbs (102 XL)

P235/55R18 is an P-Metric tire.

P235/55R18 99 SL is a Standard Load tire with a load index of 99 and a maximum tire load capacity of 1738 lbs @ 36 psi, capable of supporting up to 1738 pounds or 788 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

P235/55R18 102 XL is a Extra Load tire with a load index of 102 and a maximum tire load capacity of 1874 lbs @ 41 psi, capable of supporting up to 1874 pounds or 850 kilograms when inflated to its maximum air pressure of 41 pounds per square inch (psi) or 283 kilopascals (kPa).

Tire Load Capacity Calculator

Calculate proper tire load capacity for P235/55R18 (99 SL and 102 XL) tire within inflation range of 26 psi to 36 psi for SL or 41 psi for XL. Inflating P235/55R18 tire over 36 psi (SL) or 41 psi (XL) will not increase its maximum load carrying capacity of 1738 pounds (SL) or 1874 pounds (XL).

Replacement Tire Pressure Calculator

When replacing vehicle's original equipment tires with P235/55R18 (99 SL and 102 XL) tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P235/55R18 tire above its maximum load capacity of 1738 pounds (SL) or 1874 pounds (XL).

Original Tire
is LT-Metric

All listed data and/or calculations are for informational purposes only. TirePressure.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall.

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Tires with P235/55R18 tire size

11 tire models are available in P235/55R18 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with P235/55R18 tire size

P235/55R18 tire size is used for original equipment tires on 15 vehicles. Click on vehicle model to find its recommended tire pressure for P235/55R18 tires.

Replacement tire sizes compatible with P235/55R18 tire

P235/55R18 tire can be replaced with 84 compatible tire sizes. Click on tire size to see its load and inflation table.