P245/40R18 Tire Pressure
Discover the load limits at various inflation pressures for P245/40R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
P245/40R18 is a P-Metric tire that comes in a Light Load (LL) range and a Standard Load (SL) range. a Standard Load (SL) range and an Extra Load (XL) range.
Light load (LL) size has a load index of 88 with a maximum load capacity of 1235 lbs at 36 psi, capable of supporting up to 1235 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Standard load (SL) size has a load index of 93 with a maximum load capacity of 1433 lbs at 36 psi, capable of supporting up to 1433 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Extra load (XL) size has a load index of 97 with a maximum load capacity of 1609 lbs at 41 psi, capable of supporting up to 1609 pounds when inflated to its maximum air pressure of 41 pounds per square inch.
P245/40R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| P245/40R18 | 88 | LL | 1069 lbs | 1124 lbs | 1179 lbs | 1235 lbs | 1235 lbs (88 LL) | |||
| P245/40R18 | 93 | SL | 1188 lbs | 1272 lbs | 1354 lbs | 1433 lbs | 1495 lbs (93 SL) | |||
| P245/40R18 | 97 | XL | 1188 lbs | 1272 lbs | 1354 lbs | 1433 lbs | 1495 lbs | 1534 lbs | 1609 lbs (97 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing P245/40R18 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.