P305/45R18 Tire Pressure

Discover the load limits at various inflation pressures for P305/45R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.

Buy P305/45R18 Tires from $351.00

P305/45R18 is a P-Metric tire that comes in a Light Load (LL) range and a Standard Load (SL) range.

Light load (LL) size has a load index of 103 with a maximum load capacity of 1929 lbs at 36 psi, capable of supporting up to 1929 pounds when inflated to its maximum air pressure of 36 pounds per square inch.

Standard load (SL) size has a load index of 110 with a maximum load capacity of 2337 lbs at 36 psi, capable of supporting up to 2337 pounds when inflated to its maximum air pressure of 36 pounds per square inch.

P305/45R18 Tire Pressure Chart

Tire Size Load Index Load Range 26 psi 29 psi 32 psi 35 psi 36 psi 38 psi 41 psi 42 psi
P305/45R18 103 LL 1554 lbs 1664 lbs 1775 lbs 1874 lbs 1929 lbs (103 LL)
P305/45R18 110 SL 1885 lbs 2017 lbs 2149 lbs 2271 lbs 2337 lbs (110 SL)

Use the tire pressure calculator to determine proper inflation for new tire size when replacing P305/45R18 tires.

All listed guides, 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.