P235/55R18 Tire Pressure Chart

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

P235/55R18 is a P-Metric tire size that comes with 2 tire load index and load range options.

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

P235/55R18 99 SL is a Standard Load tire with tire load index of 99 and maximum tire load capacity of 1709 lbs @ 35 psi.

Calculate proper tire load capacity for P235/55R18 99 SL tire within inflation range of 26 psi to 35 psi. Inflating P235/55R18 99 SL tire over 35 psi will not increase its maximum load carrying capacity of 1709 pounds.

When replacing vehicle's original equipment tires with P235/55R18 99 SL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P235/55R18 99 SL tire above its maximum load capacity of 1709 lbs.

Original Tire
is LT-Metric

P235/55R18 102 XL is an Extra Load tire with tire load index of 102 and maximum tire load capacity of 1874 lbs @ 41 psi.

Calculate proper tire load capacity for P235/55R18 102 XL tire within inflation range of 26 psi to 41 psi. Inflating P235/55R18 102 XL tire over 41 psi will not increase its maximum load carrying capacity of 1874 pounds.

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

Original Tire
is LT-Metric

All listed data is for informational purposes only. TirePsi.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. For individual tire size, refer to its load and inflation table.

Tires with P235/55R18 tire size

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

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.