255/30R21 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 255/30R21 tires.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
255/30R21 (93 XL) 974 lbs 1065 lbs 1151 lbs 1237 lbs 1265 lbs 1321 lbs 1404 lbs 1433 lbs (93 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
255/30R21 93 XL 974 lbs 1065 lbs 1151 lbs 1237 lbs 1265 lbs 1321 lbs 1404 lbs 1433 lbs (93 XL)

255/30R21 is an 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.

255/30R21 93 XL is an Extra Load tire with a load index of 93 and a maximum tire load capacity of 1433 lbs @ 42 psi, capable of supporting up to 1433 pounds or 650 kilograms when inflated to its maximum air pressure of 42 pounds per square inch (psi) or 290 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 255/30R21 tire size

6 tire models are available in 255/30R21 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 255/30R21 tire size

No available vehicles with 255/30R21 as original equipment tire size.

Replacement tire sizes compatible with 255/30R21 tire

255/30R21 tire can be replaced with 13 compatible tire sizes. Click on tire size to see its load and inflation table.