215/40R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 215/40R18 tires.

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Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
215/40R18 (85 SL) 871 lbs 950 lbs 1027 lbs 1102 lbs 1135 lbs (85 SL)
215/40R18 (89 XL) 871 lbs 950 lbs 1027 lbs 1105 lbs 1129 lbs 1179 lbs 1252 lbs 1279 lbs (89 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
215/40R18 85 SL 871 lbs 950 lbs 1027 lbs 1102 lbs 1135 lbs (85 SL)
215/40R18 89 XL 871 lbs 950 lbs 1027 lbs 1105 lbs 1129 lbs 1179 lbs 1252 lbs 1279 lbs (89 XL)

215/40R18 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.

215/40R18 85 SL is a Standard Load tire with a load index of 85 and a maximum tire load capacity of 1135 lbs @ 36 psi, capable of supporting up to 1135 pounds or 515 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

215/40R18 89 XL is an Extra Load tire with a load index of 89 and a maximum tire load capacity of 1279 lbs @ 42 psi, capable of supporting up to 1279 pounds or 580 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 215/40R18 tire size

39 tire models are available in 215/40R18 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 215/40R18 tire size

215/40R18 tire size is used for original equipment tires on 8 vehicles. Click on vehicle model to find its recommended tire pressure for 215/40R18 tires.

Replacement tire sizes compatible with 215/40R18 tire

215/40R18 tire can be replaced with 33 compatible tire sizes. Click on tire size to see its load and inflation table.