275/45R21 Tire Pressure
Discover the load limits at various inflation pressures for 275/45R21 tires to ensure your vehicle's tires are properly inflated for a safe and comfortable drive.
275/45R21 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 107 with a maximum load capacity of 2149 lbs at 36 psi, capable of supporting up to 2149 pounds when inflated to its maximum air pressure of 36 pounds per square inch.
Extra load (XL) size has a load index of 110 with a maximum load capacity of 2337 lbs at 42 psi, capable of supporting up to 2337 pounds when inflated to its maximum air pressure of 42 pounds per square inch.
275/45R21 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 275/45R21 | 107 | SL | 1647 lbs | 1797 lbs | 1944 lbs | 2090 lbs | 2149 lbs (107 SL) | |||
| 275/45R21 | 110 | XL | 1590 lbs | 1735 lbs | 1878 lbs | 2017 lbs | 2064 lbs | 2154 lbs | 2291 lbs | 2337 lbs (110 XL) |
Use the tire pressure calculator to determine proper inflation for new tire size when replacing 275/45R21 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.