255/65R18 Tire Pressure
Discover the load limits at various inflation pressures for 255/65R18 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
255/65R18 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 111 with a maximum load capacity of 2403 lbs at 36 psi, capable of supporting up to 2403 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Extra load (XL) size has a load index of 115 with a maximum load capacity of 2679 lbs at 42 psi, capable of supporting up to 2679 pounds when inflated to its maximum air pressure of 42 pounds per square inch.
255/65R18 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 255/65R18 | 111 | SL | 1841 lbs | 2011 lbs | 2174 lbs | 2337 lbs | 2403 lbs (111 SL) | |||
| 255/65R18 | 115 | XL | 1823 lbs | 1991 lbs | 2152 lbs | 2313 lbs | 2366 lbs | 2469 lbs | 2626 lbs | 2679 lbs (115 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing 255/65R18 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.