255/50R21 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 255/50R21 tires.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
255/50R21 (106 SL) 1605 lbs 1750 lbs 1894 lbs 2035 lbs 2094 lbs (106 SL)
255/50R21 (109 XL) 1545 lbs 1687 lbs 1825 lbs 1960 lbs 2006 lbs 2094 lbs 2224 lbs 2271 lbs (109 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
255/50R21 106 SL 1605 lbs 1750 lbs 1894 lbs 2035 lbs 2094 lbs (106 SL)
255/50R21 109 XL 1545 lbs 1687 lbs 1825 lbs 1960 lbs 2006 lbs 2094 lbs 2224 lbs 2271 lbs (109 XL)

255/50R21 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.

255/50R21 106 SL is a Standard Load tire with a load index of 106 and a maximum tire load capacity of 2094 lbs @ 36 psi, capable of supporting up to 2094 pounds or 950 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

255/50R21 109 XL is an Extra Load tire with a load index of 109 and a maximum tire load capacity of 2271 lbs @ 42 psi, capable of supporting up to 2271 pounds or 1030 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 255/50R21 tire size

3 tire models are available in 255/50R21 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 255/50R21 tire size

255/50R21 tire size is used for original equipment tires on 2 vehicles. Click on vehicle model to find its recommended tire pressure for 255/50R21 tires.

Replacement tire sizes compatible with 255/50R21 tire

255/50R21 tire can be replaced with 28 compatible tire sizes. Click on tire size to see its load and inflation table.