285/45R21 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 285/45R21 tires.

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Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
285/45R21 (109 SL) 1739 lbs 1900 lbs 2055 lbs 2207 lbs 2271 lbs (109 SL)
285/45R21 (113 XL) 1726 lbs 1883 lbs 2037 lbs 2189 lbs 2238 lbs 2337 lbs 2485 lbs 2535 lbs (113 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
285/45R21 109 SL 1739 lbs 1900 lbs 2055 lbs 2207 lbs 2271 lbs (109 SL)
285/45R21 113 XL 1726 lbs 1883 lbs 2037 lbs 2189 lbs 2238 lbs 2337 lbs 2485 lbs 2535 lbs (113 XL)

285/45R21 is an Metric tire.

Use our tire pressure calculator to calculate proper tire inflation for replacement tires to match the original equipment tire load capacity on your vehicle.

285/45R21 109 SL is a Standard Load tire with a load index of 109 and a maximum tire load capacity of 2271 lbs @ 36 psi, capable of supporting up to 2271 pounds or 1030 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

285/45R21 113 XL is an Extra Load tire with a load index of 113 and a maximum tire load capacity of 2535 lbs @ 42 psi, capable of supporting up to 2535 pounds or 1150 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.

Tires with 285/45R21 tire size

12 tire models are available in 285/45R21 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 285/45R21 tire size

285/45R21 tire size is used for original equipment tires on 10 vehicles. Click on vehicle model to find its recommended tire pressure for 285/45R21 tires.

Replacement tire sizes compatible with 285/45R21 tire

285/45R21 tire can be replaced with 28 compatible tire sizes. Click on tire size to see its load and inflation table.