245/40R18 Tire Pressure
Discover the load limits at various inflation pressures for 245/40R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
245/40R18 is a Metric tire that comes in a Standard Load (SL) range and an Extra Load (XL) range.
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 42 psi, capable of supporting up to 1609 pounds when inflated to its maximum air pressure of 42 pounds per square inch.
245/40R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 245/40R18 | 93 | SL | 1098 lbs | 1199 lbs | 1296 lbs | 1393 lbs | 1433 lbs (93 SL) | |||
| 245/40R18 | 97 | XL | 1096 lbs | 1195 lbs | 1292 lbs | 1389 lbs | 1420 lbs | 1484 lbs | 1576 lbs | 1609 lbs (97 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing 245/40R18 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.