P225/45R18 Tire Pressure Chart

Proper tire load capacity at specified tire inflation pressures for P225/45R18 tires.

P225/45R18 is a P-Metric tire size that comes with 1 tire load index and load range option.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi (SL) 38 psi (XL) 41 psi 42 psi
91 SL
1124 lbs 1204 lbs 1281 lbs 1356 lbs Show Specs

P225/45R18 91 SL is a Standard Load tire with tire load index of 91 and maximum tire load capacity of 1356 lbs @ 35 psi.

Calculate proper tire load capacity for P225/45R18 91 SL tire within inflation range of 26 psi to 35 psi. Inflating P225/45R18 91 SL tire over 35 psi will not increase its maximum load carrying capacity of 1356 pounds.

When replacing vehicle's original equipment tires with P225/45R18 91 SL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P225/45R18 91 SL tire above its maximum load capacity of 1356 lbs.

Original Tire
is LT-Metric

All listed data is for informational purposes only. TirePsi.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. For individual tire size, refer to its load and inflation table.

Tires with P225/45R18 tire size

7 tire models are available in P225/45R18 tire size. Click on tire model to check its maximum tire inflation and tire load capacity.

Vehicles with P225/45R18 tire size

P225/45R18 tire size is used for original equipment tires on 14 vehicles. Click on vehicle model to find its recommended tire pressure for P225/45R18 tires.