235/40R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 235/40R18 tires.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
235/40R18 (91 SL) 1038 lbs 1133 lbs 1228 lbs 1318 lbs 1356 lbs (91 SL)
235/40R18 (95 XL) 1036 lbs 1129 lbs 1221 lbs 1314 lbs 1343 lbs 1402 lbs 1490 lbs 1521 lbs (95 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
235/40R18 91 SL 1038 lbs 1133 lbs 1228 lbs 1318 lbs 1356 lbs (91 SL)
235/40R18 95 XL 1036 lbs 1129 lbs 1221 lbs 1314 lbs 1343 lbs 1402 lbs 1490 lbs 1521 lbs (95 XL)

235/40R18 is an Metric tire.

235/40R18 91 SL is a Standard Load tire with a load index of 91 and a maximum tire load capacity of 1356 lbs @ 36 psi, capable of supporting up to 1356 pounds or 615 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

Tire Load Capacity Calculator

Calculate proper tire load capacity for 235/40R18 91 SL tire within inflation range of 26 psi to 36 psi. Inflating 235/40R18 91 SL tire over 36 psi will not increase its maximum tire load carrying capacity of 1356 pounds.

Replacement Tire Pressure Calculator

When replacing vehicle's original equipment tires with 235/40R18 91 SL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload 235/40R18 91 SL tire above its maximum tire load capacity of 1356 pounds.

Original Tire
is LT-Metric

235/40R18 95 XL is an Extra Load tire with a load index of 95 and a maximum tire load capacity of 1521 lbs @ 42 psi, capable of supporting up to 1521 pounds or 690 kilograms when inflated to its maximum air pressure of 42 pounds per square inch (psi) or 290 kilopascals (kPa).

Tire Load Capacity Calculator

Calculate proper tire load capacity for 235/40R18 95 XL tire within inflation range of 26 psi to 42 psi. Inflating 235/40R18 95 XL tire over 42 psi will not increase its maximum tire load carrying capacity of 1521 pounds.

Replacement Tire Pressure Calculator

When replacing vehicle's original equipment tires with 235/40R18 95 XL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload 235/40R18 95 XL tire above its maximum tire load capacity of 1521 pounds.

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 235/40R18 tire size

114 tire models are available in 235/40R18 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 235/40R18 tire size

235/40R18 tire size is used for original equipment tires on 32 vehicles. Click on vehicle model to find its recommended tire pressure for 235/40R18 tires.

Replacement tire sizes compatible with 235/40R18 tire

235/40R18 tire can be replaced with 62 compatible tire sizes. Click on tire size to see its load and inflation table.