T185/55R18 Tire Pressure Chart
Corresponding tire load capacity at specified tire inflation pressures for T185/55R18 tires.
||Light Load (60 psi)
||Standard Load (60 psi)
T185/55R18 is a radial Temporary Spare tire size available in a standard load option.
Use our tire pressure calculator to calculate proper tire inflation for replacement tires to match the original equipment tire load capacity on your vehicle.
T185/55R18 (109 SL) is a Standard Load tire with load index of 109 has a maximum tire load capacity of 2271 lbs @ 60 psi, capable of supporting up to 2271 pounds or 1030 kilograms when inflated to its maximum air pressure of 60 pounds per square inch (psi) or 414 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.