225/45R18 Tire Pressure Chart

Corresponding tire load capacity at specified tire inflation pressures for 225/45R18 tires.

Best Prices on 225/45R18 Tires
Amazon
eBay
TireRack from $107
Discount Tire from $98
Priority Tire from $80
Simple Tire from $92

As an associate, we earn commissions on qualifying purchases through the affiliate links on this website.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
225/45R18 (91 SL) 1038 lbs 1133 lbs 1228 lbs 1318 lbs 1356 lbs (91 SL)
225/45R18 (95 XL) 1036 lbs 1129 lbs 1221 lbs 1314 lbs 1343 lbs 1402 lbs 1490 lbs 1521 lbs (95 XL)
Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
225/45R18 91 SL 1038 lbs 1133 lbs 1228 lbs 1318 lbs 1356 lbs (91 SL)
225/45R18 95 XL 1036 lbs 1129 lbs 1221 lbs 1314 lbs 1343 lbs 1402 lbs 1490 lbs 1521 lbs (95 XL)

225/45R18 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.

225/45R18 91 SL is a Standard Load tire with a load index of 91 and a maximum tire load capacity of 1356 lbs @ 36 psi, capable of supporting up to 1356 pounds or 615 kilograms when inflated to its maximum air pressure of 36 pounds per square inch (psi) or 248 kilopascals (kPa).

225/45R18 95 XL is an Extra Load tire with a load index of 95 and a maximum tire load capacity of 1521 lbs @ 42 psi, capable of supporting up to 1521 pounds or 690 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 225/45R18 tire size

145 tire models are available in 225/45R18 tire size. Click on tire model to check its inflation and load capacity values.

Vehicles with 225/45R18 tire size

225/45R18 tire size is used for original equipment tires on 63 vehicles. Click on vehicle model to find its recommended tire pressure for 225/45R18 tires.

Replacement tire sizes compatible with 225/45R18 tire

225/45R18 tire can be replaced with 80 compatible tire sizes. Click on tire size to see its load and inflation table.