215/45R18 Tire Pressure
Discover the load limits at various inflation pressures for 215/45R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
215/45R18 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 89 with a maximum load capacity of 1279 lbs at 36 psi, capable of supporting up to 1279 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Extra load (XL) size has a load index of 93 with a maximum load capacity of 1433 lbs at 42 psi, capable of supporting up to 1433 pounds when inflated to its maximum air pressure of 42 pounds per square inch.
215/45R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 215/45R18 | 89 | SL | 981 lbs | 1069 lbs | 1157 lbs | 1243 lbs | 1279 lbs (89 SL) | |||
| 215/45R18 | 93 | XL | 974 lbs | 1065 lbs | 1151 lbs | 1237 lbs | 1265 lbs | 1321 lbs | 1404 lbs | 1433 lbs (93 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing 215/45R18 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.