P255/40R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for P255/40R18 tires.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
P255/40R18 (90 LL) 1135 lbs 1201 lbs 1257 lbs 1323 lbs (90 LL)
P255/40R18 (95 SL) 1168 lbs 1268 lbs 1378 lbs 1477 lbs 1521 lbs (95 SL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
P255/40R18 (90 LL) 1135 lbs 1201 lbs 1257 lbs 1323 lbs (90 LL)
P255/40R18 (95 SL) 1168 lbs 1268 lbs 1378 lbs 1477 lbs 1521 lbs (95 SL)

P255/40R18 is an P-Metric tire.

Use our Replacement Tire Pressure Calculator to calculate proper tire inflation for replacement tires to match the original equipment tire load capacity on your vehicle.

P255/40R18 90 LL is a Light Load tire with a load index of 90 and a maximum tire load capacity of 1323 lbs @ 35 psi, capable of supporting up to 1323 pounds or 600 kilograms when inflated to its maximum air pressure of 35 pounds per square inch (psi) or 241 kilopascals (kPa).

P255/40R18 95 SL is a Standard Load tire with a load index of 95 and a maximum tire load capacity of 1521 lbs @ 36 psi, capable of supporting up to 1521 pounds or 690 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

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 P255/40R18 tire size

No available tire models with P255/40R18 tire size.

Vehicles with P255/40R18 tire size

No available vehicles with P255/40R18 as original equipment tire size.

Replacement tire sizes compatible with P255/40R18 tire

P255/40R18 tire can be replaced with 87 compatible tire sizes. Click on tire size to see its load and inflation table.