P315/30R18 Tire Pressure Chart

Proper tire load capacity at specified tire inflation pressures for P315/30R18 tires.

P315/30R18 is a P-Metric tire size that comes with 1 tire load index and load range option.

Tire Size 26 psi 29 psi 32 psi 35 psi 36 psi (SL) 38 psi (XL) 41 psi 42 psi
91 LL
1179 lbs 1246 lbs 1312 lbs 1356 lbs Show Specs

P315/30R18 91 LL is a Light Load tire with tire load index of 91 and maximum tire load capacity of 1356 lbs @ 35 psi.

Calculate proper tire load capacity for P315/30R18 91 LL tire within inflation range of 26 psi to 35 psi. Inflating P315/30R18 91 LL tire over 35 psi will not increase its maximum load carrying capacity of 1356 pounds.

When replacing vehicle's original equipment tires with P315/30R18 91 LL tire, calculate proper replacement tire inflation based on original tire's load capacity at its recommended tire pressure. Never overload P315/30R18 91 LL tire above its maximum load capacity of 1356 lbs.

Original Tire
is LT-Metric

All listed data is for informational purposes only. TirePsi.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. Always refer to vehicle owner's manual for recommended tire pressure settings. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall. For individual tire size, refer to its load and inflation table.

Tires with P315/30R18 tire size

No available tire models with P315/30R18 tire size.

Vehicles with P315/30R18 tire size

No available vehicles with P315/30R18 as original equipment tire size.